Magnet Power Supplies
Subject Page Volume
Measured voltage drops during FuG operation 5
Magnet Power Supplies I
Measurement of FUG T1, T2 and T3 resistive elements 7
Magnet Power Supplies I
First look at LQ3 UNE10 module 12
Magnet Power Supplies I
Trying to stabilize UNE10 T5 transistor 18
Magnet Power Supplies I
Continuing investigation of T5 instability 20
Magnet Power Supplies I
First check of current gain - RQ2 transistors 27
Magnet Power Supplies I
Soldering touch-up on LQ3 TMRE15 board 38
Magnet Power Supplies I
LQ3 EPICS Local-Remote-On-Off-Polarity behavior 39
Magnet Power Supplies I
IXFH67N10 MOSFET datasheet (original T3) 40
Magnet Power Supplies I
IRFP3710 MOSFET datasheet (replacement T3) 41
Magnet Power Supplies I
Measured voltage drops on LQ3 first panel 42
Magnet Power Supplies I
ERNI 24VDC relay current draw 43
Magnet Power Supplies I
LQ3 polarity switching insitu 44
Magnet Power Supplies I
LQ3 EPCT Vout with output shorted 47
Magnet Power Supplies I
Bench test of RQ2 panels with new transistors 49
Magnet Power Supplies I
Component count on FuG modules 50
Magnet Power Supplies I
Contact impedances of ERNI relays removed 54
Magnet Power Supplies I
Flip-flop to consider for FuG polarity switch 55
Magnet Power Supplies I
Voltage sense signals on RQ2 and RQ3 56
Magnet Power Supplies I
Sense lead impedances on LQ2 and quench thresholds 67
Magnet Power Supplies I
Lead voltage drops on LQ3 and lead flow adjustments 68
Magnet Power Supplies I
Quench symmetry voltages on LQ3 and adjustment 83
Magnet Power Supplies I
LQ2 sense lead voltages with patch for missing sense lead 93
Magnet Power Supplies I
Adjustments on QME11 for LQ2 sense leads 111
Magnet Power Supplies I
Lead flow thresholds on Q2's and Q3's 123
Magnet Power Supplies I
Quick check of noise on the Hall probes 124
Magnet Power Supplies I
Noise on RD1 current and voltage monitor outputs 129
Magnet Power Supplies I
Wang "Voltage Conditioner" Sallen-Key filter 132
Magnet Power Supplies I
Quick check of spare FuG transformer 134
Magnet Power Supplies I
RQ2 main transformer output phases 137
Magnet Power Supplies I
First check of LQ2 with new transformer 140
Magnet Power Supplies I
Trying to adjust phase balance on LQ2 144
Magnet Power Supplies I
CTR (Current Transfer Ratio) baseline of test optocouplers CNY17-4 152
Magnet Power Supplies I
Circuit for testing CNY17-4 optocouplers 154
Magnet Power Supplies I
CTR check of test optocouplers CNY17-4 155
Magnet Power Supplies I
CTR check of test optocouplers CNY17-4 5
Magnet Power Supplies II
Check of phase balance on LQ3 7
Magnet Power Supplies II
Check of repaired Dynapower cable 15
Magnet Power Supplies II
Check of donut transformer suitability 16
Magnet Power Supplies II
LQ3 and LQ2 phase draws with Fluke i200s 18
Magnet Power Supplies II
Comparison of donut transformers with Fluke i200s 23
Magnet Power Supplies II
Check of Voltage drops on LQ2 and LQ3 transistor banks 27
Magnet Power Supplies II
SCR gate pulse shift for FuG 29
Magnet Power Supplies II
Check of LQ3 transistor banks with new transistors 30
Magnet Power Supplies II
Elpac model WM071-1950 pinout (+/-15V supply) 34
Magnet Power Supplies II
Check of LQ3 with new transistors 35
Magnet Power Supplies II
Investigating performance of LQ3 37
Magnet Power Supplies II
Pictures from p.35-36 of this volume 43
Magnet Power Supplies II
Continuing investigation of LQ3 45
Magnet Power Supplies II
Comparing LQ3 and RQ2 48
Magnet Power Supplies II
Comparing LQ1, LQ2, RQ2 and RQ3 51
Magnet Power Supplies II
More investigation of LQ3 performance 53
Magnet Power Supplies II
CTR check of test optocouplers CNY17-4 57
Magnet Power Supplies II
LQ2 and LQ3 480VAC donut transformers 59
Magnet Power Supplies II
CTR check of test optocouplers CNY17-4 60
Magnet Power Supplies II
LQ2 and LQ3 donut transformers 61
Magnet Power Supplies II
CTR check of test optocouplers CNY17-4 62
Magnet Power Supplies II
LQ2 quench detection circuit modification (QME11) 64
Magnet Power Supplies II
Check of LQ3 after cooldown 67
Magnet Power Supplies II
LQ3 ramp up with monitoring amps 69
Magnet Power Supplies II
LQ3 ramp up with monitoring amps (plots) 70
Magnet Power Supplies II
Ramping up Left Magnets 72
Magnet Power Supplies II
BigBite supply investigation - trips off 75
Magnet Power Supplies II
RQ2 ramp up with monitoring amps 82
Magnet Power Supplies II
                                       Plots of ramp up 84
Magnet Power Supplies II
Quick look at LQ1 regulation module 86
Magnet Power Supplies II
CTR check of test optocouplers 88
Magnet Power Supplies II
CTR check of test optocouplers 90
Magnet Power Supplies II
Check of LQ3 at higher current 92
Magnet Power Supplies II
Overlay of LQ3 and RQ2 plots 94
Magnet Power Supplies II
CTR check of test optocouplers 96
Magnet Power Supplies II
Differences on the TMRE10/15 boards 98
Magnet Power Supplies II
LQ3 behavior at higher current (TMRE10/15 board) 99
Magnet Power Supplies II
LQ3 at higher current - pickoff amps 107
Magnet Power Supplies II
LQ3 at higher current - current clamps 109
Magnet Power Supplies II
LQ2 at higher current - current clamps 112
Magnet Power Supplies II
Musings on LQ3 114
Magnet Power Supplies II
LQ3 - current clamps and YNE20 115
Magnet Power Supplies II
LQ3 at higher current - current clamps and YNE20 118
Magnet Power Supplies II
RQ2 - UMON and T1 collector 120 Magnet Power Supplies II
RQ2 and LQ3 T1 voltage drops 123 Magnet Power Supplies II
LQ3 126 Magnet Power Supplies II
LQ2 and LQ3 TMRE10/15 comparison 130 Magnet Power Supplies II
LQ3 TMRE10 voltage rails (and LQ2) 132 Magnet Power Supplies II
Bench check of spare TMRE10 140 Magnet Power Supplies II
Bench testing of spare TMRE10/15 - modified to be same as RQ3 142 Magnet Power Supplies II
Bench check of LQ3 TMRE10/15 boards 154 Magnet Power Supplies II
TMRE10/15 RA1 and RA2 buses
 5
Magnet Power Supplies III
Changing R14 and R5 on LQ3 TMRE10/15
 8
Magnet Power Supplies III
RQ3 trips on lead sense voltages from QME10
 9
Magnet Power Supplies III
Bench test of spare SE20
 10
Magnet Power Supplies III
Aluminum electrolytics on FuG control modules
 11
Magnet Power Supplies III
Bench test of spare UNE10
 12
Magnet Power Supplies III
T5 transistor drive on spare UNE10
 20
Magnet Power Supplies III
Flip-flop installed to replace T5 drive
 21
Magnet Power Supplies III
Hardware corrections to spare QME11 board
 25
Magnet Power Supplies III
RQ3 lead sense lines reversed
 26
Magnet Power Supplies III
LQ3 3V transformer substitution
 29
Magnet Power Supplies III
LQ3 3V transformer output 31
Magnet Power Supplies III
RQ1 SMT control board not responding
 32
Magnet Power Supplies III
RQ1 output contactor holding coil resistors
 33
Magnet Power Supplies III
CTR check of test optocouplers
 34
Magnet Power Supplies III
Local displays on running magnets
 39
Magnet Power Supplies III
CTR check of test optocouplers 40
Magnet Power Supplies III
Initial CTR of Additional Optocouplers on R-Arm
 42
Magnet Power Supplies III
CTR Check of Test Optocouplers
 46
Magnet Power Supplies III
CTR Check of Test Optocouplers 48
Magnet Power Supplies III
CTR Check of Additional R-Arm Optocouplers 50
Magnet Power Supplies III
Check of Lead Voltage Buffer Amps of RD1
 53
Magnet Power Supplies III
Right Dipole Sense Leads Continuity Check
 55
Magnet Power Supplies III
Right Dipole Lead Voltage Drops at Turn ON
 56
Magnet Power Supplies III
Left Dipole Voltage Drops on Leads and Coils
 58
Magnet Power Supplies III
Right Dipole DAC Drive at Turn ON
 62
Magnet Power Supplies III
Check of EU3 & EU4 Isolation Amp Boards on R & L
 65
Magnet Power Supplies III
Magnet Power Supply Strobe Control
 68
Magnet Power Supplies III
Observations of Wiring of Right Dynapower
 69
Magnet Power Supplies III
Looking at AB and Dynapower Behaviour R-Arm
 71
Magnet Power Supplies III
CTR Check of Test Optocouplers 78
Magnet Power Supplies III
Understanding of Right Dipole Turn ON Fault
 80
Magnet Power Supplies III
CTR Check of Test Optocouplers 82
Magnet Power Supplies III
CTR Check of Additional Optocouplers on R-Arm 84
Magnet Power Supplies III
Display (Local) Currents & Voltages of the Magnets
 87
Magnet Power Supplies III
CTR Check of Optocouplers on R & L Arms 88
Magnet Power Supplies III
Location of Test Optocouplers on R-Arm
 93
Magnet Power Supplies III
Optocoupler CTR HAPPEX III Start - 8/31-9/3
 94
Magnet Power Supplies III
CTR Check of Optocouplers 104
Magnet Power Supplies III
CTR Check of Optocouplers 109
Magnet Power Supplies III
RQ2 Lead Voltage Drops
 117
Magnet Power Supplies III
CTR Check of Optocouplers 120
Magnet Power Supplies III
CTR Check of Optocouplers 129
Magnet Power Supplies III
CTR Baseline for "2" Series of Optocouplers
 136
Magnet Power Supplies III
CTR Check of Optocouplers on the Right Arm
 140
Magnet Power Supplies III
Septum Check on the Hall Floor
 146
Magnet Power Supplies III
Septum Winding Voltage Drops
 151
Magnet Power Supplies III
Q2 & Q3 He Level Meter Connections
 153
Magnet Power Supplies III
Playing With a LN2 Probe
 5
Magnet Power Supplies IV
Left Dipole LN2 Probe Bench Check
 10
Magnet Power Supplies IV
Magnet Power Supply Crash Buttons
 13
Magnet Power Supplies IV
LQ2 Swap - Rewired Incorrectly
 14
Magnet Power Supplies IV
RQ2 Low Current - Donut Transformers - Reference
 17
Magnet Power Supplies IV
RQ3 Low Current - Donut Transformers - Reference 18
Magnet Power Supplies IV
Check of Right Arm Magnet Supplies
 19
Magnet Power Supplies IV
Looking at Ripple on LQ3 Donut Transformers
 20
Magnet Power Supplies IV
Ice Ball Effect on LQ3 Ripple
 29
Magnet Power Supplies IV
More LQ3 Ripple Investigations
 30
Magnet Power Supplies IV
Continuing With LQ2 Investigation - Mis-Wiring
 32
Magnet Power Supplies IV
Magnet Check and CTR Check - New Optocouplers
 44
Magnet Power Supplies IV
CTR Check of Some of the New Optocouplers
 49
Magnet Power Supplies IV
CTR Check of the Optocouplers
 50
Magnet Power Supplies IV
RQ2 Repair and CTR Check
 55
Magnet Power Supplies IV
Check of Supplies and CTR of Optocouplers
 62
Magnet Power Supplies IV
RQ1 Control Board Move and New Optocouplers
 67
Magnet Power Supplies IV
CTR Check of Optocouplers
 71
Magnet Power Supplies IV
CTR Check of Optocouplers 76
Magnet Power Supplies IV
CTR Check of Optocouplers 79
Magnet Power Supplies IV
Check of Magnet Power Supplies
 83
Magnet Power Supplies IV
Left Dipole - Loss of Control
 84
Magnet Power Supplies IV
Continuing With Left Dipole Troubleshooting
 87
Magnet Power Supplies IV
Continuing With Left Dipole Troubleshooting 88
Magnet Power Supplies IV
Investigating Regulation Loop of Left Dipole
 91
Magnet Power Supplies IV
CTR Check of Optocouplers 95
Magnet Power Supplies IV
LQ1 DCCT Board 555 Chip
 99
Magnet Power Supplies IV
LD1 Further Investigations - DAC Oscillations
 100
Magnet Power Supplies IV
LD1 Normal Operating Conditions
 104
Magnet Power Supplies IV
Magnet Check
 107
Magnet Power Supplies IV
CTR Check of Optocouplers
 108
Magnet Power Supplies IV
Left Dipole Regulation Loop and Firing Circuit
 112
Magnet Power Supplies IV
Right Dipole Loss of Control
 115
Magnet Power Supplies IV
Right Dipole Investigations
 116
Magnet Power Supplies IV
Right Dipole Firing Circuit Bench Testing
 118
Magnet Power Supplies IV
Optocoupler CTR Check
 127
Magnet Power Supplies IV
Optocoupler CTR Check 131
Magnet Power Supplies IV
Optocoupler CTR Check 134
Magnet Power Supplies IV
RQ2 Magnet Miswiring
 136
Magnet Power Supplies IV
Q1 Control Board Settings
 137
Magnet Power Supplies IV
Checks of Magnets After Cooldown
 143
Magnet Power Supplies IV
Scope Pics From Page 143 of Magnet Power Supplies IV
 5
Magnet Power Supplies V
Scope Pics From Pages 144-146 of Magnet Power Supplies IV 8
Magnet Power Supplies V
Scope Pics From Pages 148-149 of Magnet Power Supplies IV 12
Magnet Power Supplies V
Components on Boards of Metrolab Teslameters
 15
Magnet Power Supplies V
Verifying Right Dipole Power Supply Connections
 17
Magnet Power Supplies V
Cross Check of Gaussmeters
 18
Magnet Power Supplies V
NMR Boards IC Replacements
 21
Magnet Power Supplies V
LD1 NMR Probe Compensating Coils
 22
Magnet Power Supplies V
Check of LD1 NMR Locking
 23
Magnet Power Supplies V
Starting to Check the RD1
 25
Magnet Power Supplies V
Quick Check of Left and Right Magnets
 28
Magnet Power Supplies V
NMR Probe Signal Pictures From Pages 23 & 24
 37
Magnet Power Supplies V
Check of RQ3 & RQ2 Current Outputs
 38
Magnet Power Supplies V
RQ1 "Cryogenic" Fault Investigation
 44
Magnet Power Supplies V
Trying External 4V Supply on RQ3
 49
Magnet Power Supplies V
Replacing ICs on RQ3 TMRE10 & 15
 50
Magnet Power Supplies V
Installing New Background Monitoring Optocouplers
 52
Magnet Power Supplies V
Continuing to Look at RQ3 Current Limit
 55
Magnet Power Supplies V
CTR Check of Optocouplers in the Hall
 57
Magnet Power Supplies V
Quick Check of the Power Supplies
 69
Magnet Power Supplies V
Checking Noise on RD1 Sense Lines
 62
Magnet Power Supplies V
CTR Check of Optocouplers
 65
Magnet Power Supplies V
Comparing Donut Outputs on RQ1 and LQ1
 68
Magnet Power Supplies V
Looking at LQ1 and RQ1 Firing Cards
 70
Magnet Power Supplies V
CTR Check of Optocouplers
 73
Magnet Power Supplies V
Investigating RQ1 Turn ON Faulting
 75
Magnet Power Supplies V
Power Supply Check
 96
Magnet Power Supplies V
Checking SCRs on LQ1
 98
Magnet Power Supplies V
Resolving 480VAC Phase Rotation on LQ1
 104
Magnet Power Supplies V
Checking Q1 & D1 480VAC Phasing (correcting some donut wiring)
 110
Magnet Power Supplies V
CTR Check of Optocouplers
 113
Magnet Power Supplies V
Quick Check of Power Supplies
 115
Magnet Power Supplies V
Quick Check of Power Supplies (correcting some donut wiring) 117
Magnet Power Supplies V
Change Out of LQ2 & LQ3 UOG12 Optocouplers 119
Magnet Power Supplies V
Re-Seating of LQ2 & LQ3 UOG12 Optocouplers 121
Magnet Power Supplies V
CTR Check of Optocouplers
 123
Magnet Power Supplies V
Bench Check of Danfysik Regulation Module S/N 9405033
 125
Magnet Power Supplies V
Replace Danfysik Regulation Module S/N 9505051 in RQ1
 127
Magnet Power Supplies V
CTR Check of Optocouplers
 130
Magnet Power Supplies V
Quick Check of the Power Supplies
 132
Magnet Power Supplies V
Looking at RQ3 Regulation
 134
Magnet Power Supplies V
Bench Check of a Spare Dynapower DAC
 136
Magnet Power Supplies V
Bench Check of DAC From RD1 Dynapower
 138
Magnet Power Supplies V
DC Voltage Output of Spare Dynapower DAC
 139
Magnet Power Supplies V
Continuing to Check DAC From RD1 Dynapower
 140
Magnet Power Supplies V
DC Voltage Output of 2nd Spare Dynapower DAC
 142
Magnet Power Supplies V
Plots of Dynapower DAC Linearities
 144
Magnet Power Supplies V
CTR Check of Optocouplers
 146
Magnet Power Supplies V
RQ1 Pulsing on Lead Voltage Drops at 0A
 148
Magnet Power Supplies V
Coil and Lead Voltages on RQ1 "Normal" Operation
 154
Magnet Power Supplies V
Continuation From Last Pages of Magnet Power Supplies V
 5
Magnet Power Supplies VI
RQ1 Lead Voltage Drop as Lead Flow Varied
 7
Magnet Power Supplies VI
CTR Check of Optocouplers
 10
Magnet Power Supplies VI
Quick Check of Magnet Power Supplies
 12
Magnet Power Supplies VI
Hardwired Ramp Down of RQ1
 14
Magnet Power Supplies VI
Notes on Q1 Quench Protection Wiring
 16
Magnet Power Supplies VI
Normal Septum Power Considerations
 18
Magnet Power Supplies VI
Quick Check of Magnet Power Supplies
 20
Magnet Power Supplies VI
CTR Check of Optocouplers 24
Magnet Power Supplies VI
CTR Check of Optocouplers 27
Magnet Power Supplies VI
480VAC Phase Rotations
 29
Magnet Power Supplies VI
Wiring of the AC Power to the RD1 Dynapower
 31
Magnet Power Supplies VI
Initial Check of RQ3
 33
Magnet Power Supplies VI
Checkout of LQ2
 37
Magnet Power Supplies VI
Checkout of LQ3
 41
Magnet Power Supplies VI
FuG "Electrical On" Interlock
 42
Magnet Power Supplies VI
Checkout of LQ3
 43
Magnet Power Supplies VI
Checkout of RQ2 49
Magnet Power Supplies VI
Checkout of RQ3 55
Magnet Power Supplies VI
Initial I vs. V Check of Right Septum
 61
Magnet Power Supplies VI
Right Septum Fringe Field and Polarity Check
 66
Magnet Power Supplies VI
RQ3 Using LQ3 TMRE10/15 Module
 67
Magnet Power Supplies VI
Quick Check of Right Septum With Temperature Switches
 68
Magnet Power Supplies VI
Initial Check of the Left Dipole
 69
Magnet Power Supplies VI
Initial Check of the Right Dipole
 71
Magnet Power Supplies VI
Some Notes About the Dipoles
 72
Magnet Power Supplies VI
RD1 Firing Circuit in LD1
 74
Magnet Power Supplies VI
RQ1 First Turn On - Charred Wire
 75
Magnet Power Supplies VI
Left Septum Initial Check
 76
Magnet Power Supplies VI
Initial Check of the RQ1
 77
Magnet Power Supplies VI
Initial Check of the LQ1
 79
Magnet Power Supplies VI
Optocoupler Replaced on LD1
 81
Magnet Power Supplies VI
CTR Check of Optocouplers
 83
Magnet Power Supplies VI
Quick Check of Magnet Power Supplies 86
Magnet Power Supplies VI
RQ1 Output Voltage
 88
Magnet Power Supplies VI
LQ2 No Voltage Display and No Remote Current Set
 90
Magnet Power Supplies VI
Quick Check of Magnet Power Supplies 93
Magnet Power Supplies VI
CTR Check of Optocouplers 94
Magnet Power Supplies VI
CTR Check of Optocouplers 96
Magnet Power Supplies VI
RQ2 Output Current Cross Check
 98
Magnet Power Supplies VI
Right Septum Wiring Check
 100
Magnet Power Supplies VI
RQ2 Output Current Cross Check 102
Magnet Power Supplies VI
Left Septum Wiring Check 104
Magnet Power Supplies VI
Septa Wiring Check and B vs. I Check
 105
Magnet Power Supplies VI
RQ3 T3 MOSFET Gate Drive Check
 109
Magnet Power Supplies VI
Septa Cooling Water Check
 111
Magnet Power Supplies VI
Crude Check of Septa Fringe Field
 114
Magnet Power Supplies VI
Turning Magnets On For Running
 118
Magnet Power Supplies VI
Check of Septa Fields With Shims
 120
Magnet Power Supplies VI
Another Look at RQ3
 122
Magnet Power Supplies VI
RQ3 Pickoff Amplifiers Common Resistor Change
 126
Magnet Power Supplies VI
CTR Check of New Optocouplers for Background
 127
Magnet Power Supplies VI
CTR Check of Background Optocouplers
 128
Magnet Power Supplies VI
Ramp Up of Target Magnet Coils With Septa
 130
Magnet Power Supplies VI
CTR Check of Background Optocouplers 132
Magnet Power Supplies VI
CTR Check of Background Optocouplers 134
Magnet Power Supplies VI
Replacing RQ3 T3 MOSFET Source Resistor
 137
Magnet Power Supplies VI
Ramp Up of Target Magnet Coils With Septa
 139
Magnet Power Supplies VI
CTR Check of Optocouplers 140
Magnet Power Supplies VI
Quick Check of Magnet Power Supplies
 143
Magnet Power Supplies VI
Right Septum Damage Assesment
 145
Magnet Power Supplies VI
CTR Check of Background Optocouplers 148
Magnet Power Supplies VI
Right Septum Bypassed Coils and Hipot Check
 151
Magnet Power Supplies VI
Check of Repaired Right Septum
 154
Magnet Power Supplies VI
Check of Repaired Right Septum - Continued
 5
Magnet Power Supplies VII
Right Septum Check for Higher Current
 7
Magnet Power Supplies VII
CTR Check of Optocouplers
 10
Magnet Power Supplies VII
Quick Check of Magnet Power Supplies
 13
Magnet Power Supplies VII
Right Septum Tripping on "Earth Leakage"
 14
Magnet Power Supplies VII
Ground Fault Investigation on Right Septum
 16
Magnet Power Supplies VII
Test of Right Septum to 850A
 21
Magnet Power Supplies VII
CTR Check of Optocouplers
 22
Magnet Power Supplies VII
18 Bit DAC Oscillation
 25
Magnet Power Supplies VII
CTR Check of Optocouplers
 27
Magnet Power Supplies VII
Quick Check of Power Supplies
 30
Magnet Power Supplies VII
Check of Septa Operation at 950A
 32
Magnet Power Supplies VII
Optocoupler CTR Check
 35
Magnet Power Supplies VII
CTR Check of Optocouplers
 38
Magnet Power Supplies VII
CTR Check of Optocouplers 39
Magnet Power Supplies VII
Optocoupler CTR Check 42
Magnet Power Supplies VII
Resistance of Copper Tubing
 45
Magnet Power Supplies VII
Looking at LQ3 FuG With a Dummy Load
 46
Magnet Power Supplies VII
Looking at LQ2 FuG With a Dummy Load 47
Magnet Power Supplies VII
Test of Moller 4th Quad Power Supply
 51
Magnet Power Supplies VII
More on LQ3 FuG With a Dummy Load
 53
Magnet Power Supplies VII
More LQ3 FuG 54 Magnet Power Supplies VII
More LQ3 FuG 56 Magnet Power Supplies VII
More on LQ2 FuG With a Dummy Load 59 Magnet Power Supplies VII
Voltage Drop Across 1/2" Swagelok Union 63 Magnet Power Supplies VII
Replacing LQ1 Output Contactor Holding Coil Resistor 64 Magnet Power Supplies VII
Quick Check of Coils Fron 48D48 Magnet 65 Magnet Power Supplies VII
Water Flow in the 48D48 Magnet Coils 69 Magnet Power Supplies VII
Quick Check of RQ1 Quench Protection Taps 70 Magnet Power Supplies VII
Quick Check of LQ1 Quench Protection Taps 72 Magnet Power Supplies VII
More Work on Q1 Quench Protection Circuits 81 Magnet Power Supplies VII
Shorting Jumpers for Q2/Q3 BU6 & BU7 Rear Connectors 83 Magnet Power Supplies VII
Quick Check of Quench Sense Wiring LQ3/LQ2 84 Magnet Power Supplies VII
Quick Check of Left Magnets to About 2 GeV 85 Magnet Power Supplies VII
Quick Check of Right Magnets to About 2 GeV (Tripped main breaker) 90 Magnet Power Supplies VII
Setting Up RQ1 Danfysik Quench Board 92 Magnet Power Supplies VII
Check of LQ1 Lead Voltage Drops 97 Magnet Power Supplies VII
Checking the RQ1 & LQ1 Quench Protection Wiring 98 Magnet Power Supplies VII
Check of R&L Q2&Q3 Magnet Cycling 111 Magnet Power Supplies VII
Looking at LQ1 & RQ1 Sense Wire Voltages 117 Magnet Power Supplies VII
Tracing the RQ1 Quench Protection Wiring 129 Magnet Power Supplies VII
RQ1 Sense Voltages at the Magnet 134 Magnet Power Supplies VII
Taking LQ3, LQ2, LQ1 to 4 GeV (LQ1 tripped short of 4 GeV) 137 Magnet Power Supplies VII
Taking LD1 to 4 GeV - Stopped at 3.5 GeV 148 Magnet Power Supplies VII
LD1 Lead Drop Voltage Investigation 153 Magnet Power Supplies VII
Continued from volume VII 5 Magnet Power Supplies VIII
Left Dipole Lead Drop Voltages Adjustment of CMRR 7 Magnet Power Supplies VIII
RQ2 & RQ3 Coil & Lead Drop Voltages   0A -> 1720A -> 0A 12 Magnet Power Supplies VIII
RQ1 Lead Flow Effects at 200A 22 Magnet Power Supplies VIII
LQ1 Lead Flow Effects at 800A 24 Magnet Power Supplies VIII
RQ1 Lead Voltage Drops at 200A, 400A, & 800A 27 Magnet Power Supplies VIII
LQ1 & RQ1 EPICS Channels of Interest 29 Magnet Power Supplies VIII
RQ1 Lead Voltage Drift at 800A 30 Magnet Power Supplies VIII
LQ1 - Effect of Varying Lead Flow at 800A & 1600A 31 Magnet Power Supplies VIII
LQ1 Lead Drops at 1600A & RQ1 Thermal Runaway 32 Magnet Power Supplies VIII
Trying to Verify RQ1 Sense Wires 34 Magnet Power Supplies VIII
Verifying RQ1 Sense Wires, Again 38 Magnet Power Supplies VIII
More RQ1 Wiring, Including PT100s
 39
 Magnet Power Supplies VIII
Verifying LQ1 Sense Wires
 42
 Magnet Power Supplies VIII
RQ1 Lead Voltage, Flow, and Temperature
 43
 Magnet Power Supplies VIII
Looking for Effect of Lead Flag Heaters on RQ1
 47
 Magnet Power Supplies VIII
Lead Voltage Drop (RQ1) Over Longer Time
 50
 Magnet Power Supplies VIII
RQ1 Lead Flag Heaters' Wiring
 52
 Magnet Power Supplies VIII
Wrong Relays on Q1 Lead Flag Heaters
 54
 Magnet Power Supplies VIII
RQ1 Lead Flag Heater Leakage Current
 55
 Magnet Power Supplies VIII
Replacing RQ1 Lead Flag Heater Relays
 58
 Magnet Power Supplies VIII
RQ1 Heater Cycling and LQ1 Voltage Droop (None!)
 62
 Magnet Power Supplies VIII
LQ1 Lead Drops As Flow is Varied
 63
 Magnet Power Supplies VIII
First Look At HMS Q1, Q2, Q3 Supplies
 65
 Magnet Power Supplies VIII
HMS Q3 Max Current Optocoupler Fault
 72
 Magnet Power Supplies VIII
Check of RQ1 Lead Voltage Pickoff Chain
 73
 Magnet Power Supplies VIII
RQ1 Voltage3 Drop From Flag to Warm End of Transition
 75
 Magnet Power Supplies VIII
RQ1 Voltages on the Attenuation Cards
 78
 Magnet Power Supplies VIII
RQ1 Voltages With LHe Full
 80
 Magnet Power Supplies VIII
RQ1 More Voltage Measurements
 82
 Magnet Power Supplies VIII
RQ1 Room Temperature Impedances
 84
 Magnet Power Supplies VIII
RQ1 N2 Pressure Drop Through The Leads
 87
 Magnet Power Supplies VIII
RQ1 Lead Flag Heater Resistances
 89
 Magnet Power Supplies VIII
RQ1 More Room Temperature Resistances
 90
 Magnet Power Supplies VIII
RQ1 Check of Sense Wiring
 92
 Magnet Power Supplies VIII
Correcting RD1 Green Reset Button Wiring
 94
 Magnet Power Supplies VIII
Bringing Up The LQ2 and LQ3
 95
 Magnet Power Supplies VIII
Bringing Up The LD1 and LQ1
 97
 Magnet Power Supplies VIII
Quick Check of the Left Arm Power Supplies
 99
 Magnet Power Supplies VIII
LQ1 Lead Voltage Drops
 100
 Magnet Power Supplies VIII
Initial CTR of Background Optocouplers
 102
 Magnet Power Supplies VIII
CTR of Left Arm Optocouplers
 104
 Magnet Power Supplies VIII
CTR of Left Arm Optocouplers 105
 Magnet Power Supplies VIII
LQ1 Voltages After Cleaning Lead Flags
 106
 Magnet Power Supplies VIII
Check of CTR of Optocouplers on L-Arm
 107
 Magnet Power Supplies VIII
LQ1 Lead Voltage Drops
 108
 Magnet Power Supplies VIII
Check of the Danfysik for the Moller Quad
 111
 Magnet Power Supplies VIII
DC Resistance of SOS Quad as RQ1
 112
 Magnet Power Supplies VIII
Bringing Up the LQ3
 113
 Magnet Power Supplies VIII
Bringing Up the LQ2
 116
 Magnet Power Supplies VIII
SOS Quad (as RQ1) at Higher Current
 119
 Magnet Power Supplies VIII
Bringing Up the LD1
 125
 Magnet Power Supplies VIII
Bringing Up the LQ1 129
 Magnet Power Supplies VIII
Bringing Up the RQ3 134
 Magnet Power Supplies VIII
Bringing Up the RQ2 135
 Magnet Power Supplies VIII
Pictures From Page 134
 136
 Magnet Power Supplies VIII
Pictures From Page 135 138
 Magnet Power Supplies VIII
Another Look At RQ2
 140
 Magnet Power Supplies VIII
Check For Temperature Change On LQ1 Leads
 143
 Magnet Power Supplies VIII
Bringing Up the RD1 146
 Magnet Power Supplies VIII
Adjusting EP350 Line Amplifiers On RD1 and LD1
 152
 Magnet Power Supplies VIII
CTR Check of Left Arm Optocouplers 5
 Magnet Power Supplies IX
CTR Check of Left Arm Optocouplers 7
 Magnet Power Supplies IX
CTR Check of Left Arm Optocouplers 8
 Magnet Power Supplies IX
Change Of LQ2 Optocouplers - found cocked cables
 9
 Magnet Power Supplies IX
Some Notes On Normal Septum Conductor
 11
 Magnet Power Supplies IX
First Look At SOS Quad Field Mapping
 12
 Magnet Power Supplies IX
Another SOS Quad Preliminary Mapping
 14
 Magnet Power Supplies IX
Mapping Runs For SOS Quad
 15
 Magnet Power Supplies IX
Mapping Runs For Scanditronix Quad
 17
 Magnet Power Supplies IX
Quad Wiring Correction and More Mapping
 18
 Magnet Power Supplies IX
Bringing up the LQ2
 19
 Magnet Power Supplies IX
Bringing up the LQ3 20
 Magnet Power Supplies IX
Bringing up the LD1 21
 Magnet Power Supplies IX
Pictures From LQ2 Page 19
 24
 Magnet Power Supplies IX
Pictures From LQ3 Page 20 27
 Magnet Power Supplies IX
Bench Test of LD1 Dynapower Gate Driver Board
 30
 Magnet Power Supplies IX
Testing LD1 Dynapower SCRs In Place
 32
 Magnet Power Supplies IX
More In Place Testing of SCRs
 36
 Magnet Power Supplies IX
Bringing Up The LD1
 40
 Magnet Power Supplies IX
Bringing Up The LQ1 43
 Magnet Power Supplies IX
Bringing Up The RQ3 44
 Magnet Power Supplies IX
Bringing Up The RQ2 47
 Magnet Power Supplies IX
Bringing Up The RQ2...Again! 48
 Magnet Power Supplies IX
Investigating RD1 Trip On Lead A Voltage
 51
 Magnet Power Supplies IX
Continuing To Look At RD1
 54
 Magnet Power Supplies IX
Quick Check Of The Supplies
 58
 Magnet Power Supplies IX
CTR Check of Left Arm Optocouplers
 59
 Magnet Power Supplies IX
Bringing Up RQ2
 60
 Magnet Power Supplies IX
Bringing Up RQ3 63
 Magnet Power Supplies IX
Bringing Up LQ3 66
 Magnet Power Supplies IX
Pre-Run LQ2
 71
 Magnet Power Supplies IX
Bringing up the RD1 76
 Magnet Power Supplies IX
Bringing up the LD1 80
 Magnet Power Supplies IX
CTR Check of Left Arm Optocouplers
 83
 Magnet Power Supplies IX
RQ1 Optocoupler Replacement
 84
 Magnet Power Supplies IX
Hall C "Magnet On" Signs LEDs and Resistors
 85
 Magnet Power Supplies IX
LCW Flow Check of APEX Septum
 86
 Magnet Power Supplies IX
Failed Attempt to Bring Up RQ2
 87
 Magnet Power Supplies IX
Test of APEX Septum and New LQ1 Danfysik Supply
 88
 Magnet Power Supplies IX
Bringing Up The LQ2 91
 Magnet Power Supplies IX
Bringing Up The LQ3 92
 Magnet Power Supplies IX
Bringing Up The LQ1 93
 Magnet Power Supplies IX
Bringing Up The LD1 94
 Magnet Power Supplies IX
Pictures From LQ2
 96
 Magnet Power Supplies IX
Pictures From LQ3 98
 Magnet Power Supplies IX
Pictures From LD1 102
 Magnet Power Supplies IX
Bringing Up RD1
 105
 Magnet Power Supplies IX
Bogdan's Desired APEX Field Orientation
 106
 Magnet Power Supplies IX
Initial Check of New Danfysik On LQ1
 107
 Magnet Power Supplies IX
Continuing To Trouble Shoot LQ1 Danfysik
 111
 Magnet Power Supplies IX
Repaired Shorted Wires On LQ1 DCCT
 113
 Magnet Power Supplies IX
Check Of LD1 Coil And Lead Voltages
 115
 Magnet Power Supplies IX
Investigation of RD1 Trips
 117
 Magnet Power Supplies IX
LCW Adjustment of Pressure On LQ1
 118
 Magnet Power Supplies IX
LQ1 Temperatures During Cycling
 119
 Magnet Power Supplies IX
LQ1 Tripped the 400A 480VAC Breaker
 120
 Magnet Power Supplies IX
Continued From Page 117
 121
 Magnet Power Supplies IX
Quick Check of HRS Power Supplies
 124
 Magnet Power Supplies IX
CTR Check of Left Arm Optocouplers
 125
 Magnet Power Supplies IX
Checking LQ1 Power Supply Operation
 126
 Magnet Power Supplies IX
Replacing RQ1 Supply With BigBite Supply
 128
 Magnet Power Supplies IX
Quick Check of HRS Power Supplies
 130
 Magnet Power Supplies IX
CTR Chek of Left Arm Optocouplers
 131
 Magnet Power Supplies IX
Looking At Noise In The Dipole Power Supplies
 132
 Magnet Power Supplies IX
CTR of Hall C Optocouplers
 135
 Magnet Power Supplies IX
Adjusting Taps in LQ1 Supply Transformer
 139
 Magnet Power Supplies IX
CTR of Hall C Optocouplers 140
 Magnet Power Supplies IX
Optocouplers for the SHMS Shield House
 143
 Magnet Power Supplies IX
LD1 Helium Probes Wiring Issues
 144
 Magnet Power Supplies IX
Dynapower Gate Driver Optocoupler Checks
 147
 Magnet Power Supplies IX
Temperature Checks of RQ1 and LQ1
 151
 Magnet Power Supplies IX
Cheking Q1 Temperatures - LCW Flow Fault and Software Current Limit
 153
 Magnet Power Supplies IX
Checking The LCW Flow Sensor In LQ1 Supply
 155
 Magnet Power Supplies IX
Checking Temperatures On RQ1
 5
 Magnet Power Supplies X
Looking At Valve Drives On HMS
 6
 Magnet Power Supplies X
Pi Filter For Valve Drives
 12
 Magnet Power Supplies X
One More Check On Driving The Valve Motors
 14
 Magnet Power Supplies X
Test Board For HMS JT Valve Relays
 15
 Magnet Power Supplies X
CTR Check of Left HRS Optocouplers
 18
 Magnet Power Supplies X
CTR Check of Right HRS Optocouplers
 19
 Magnet Power Supplies X
Check Of LQ2 After It Ramped Down And Turned Off
 20
 Magnet Power Supplies X
Investigating HMS Dipole JTV4
 22
 Magnet Power Supplies X
RD1 Investigations and Quick Magnet Check
 24
 Magnet Power Supplies X
CTR Check of Hall C Optocouplers
 26
 Magnet Power Supplies X
Bad Sense Wire Connection On LQ3 Left Flag
 28
 Magnet Power Supplies X
CTR Check of Hall A Optocouplers 30
 Magnet Power Supplies X
CTR Check of Hall A Optocouplers 31
 Magnet Power Supplies X
CTR Check of Hall C Optocouplers 33
 Magnet Power Supplies X
CTR Check of Hall C Optocouplers 36
 Magnet Power Supplies X
CTR Check of Hall C Optocouplers 39
 Magnet Power Supplies X
First Look At APEX Corrector Magnets
 42
 Magnet Power Supplies X
Quick Look At Voltage Across APEX Septum
 44
 Magnet Power Supplies X
Maximum Current Drive For APEX Septum
 45
 Magnet Power Supplies X
SBS Supply Overtemperature Fault
 48
 Magnet Power Supplies X
Investigating The SBS Supply
 49
 Magnet Power Supplies X
Continuing The SBS Supply Investigation
 52
 Magnet Power Supplies X
Correcting SBS Supply Transformer Cabling
 55
 Magnet Power Supplies X
CTR Check of Optocouplers in Hall C
 60
 Magnet Power Supplies X
CTR Check of Optocouplers in Hall A 63
 Magnet Power Supplies X
Quick Check of Magnet Power Supplies in Hall A
 65
 Magnet Power Supplies X
CTR Check of Optocouplers in Hall A 67
 Magnet Power Supplies X
Quick Check of Magnet Power Supplies in Hall A 69
 Magnet Power Supplies X
CTR Check of Optocouplers in Hall C 70
 Magnet Power Supplies X
CTR Check of Optocouplers in Hall A 73
 Magnet Power Supplies X
Quick Check of Magnet Power Supplies in Hall A 75
 Magnet Power Supplies X
LQ1 Fault Investigation
 76
 Magnet Power Supplies X
CTR Check of Optocouplers in Hall C 79
 Magnet Power Supplies X
CTR Check of Optocouplers in Hall C 82
 Magnet Power Supplies X
Corrections to Left Dipole Fault Circuits
 85
 Magnet Power Supplies X
Quick Check of Septum For PREX2
 87
 Magnet Power Supplies X
RQ2 Quench Fault Investigation
 88
 Magnet Power Supplies X
Back At It On RQ2
 90
 Magnet Power Supplies X
Continuing To Troubleshoot RQ2
 93
 Magnet Power Supplies X
Final Fix Of RQ2 Sense Line
 99
 Magnet Power Supplies X
Hall A Magnets Quick Check
 101
 Magnet Power Supplies X
Quick Look At RQ1 Regulation
 102
 Magnet Power Supplies X
Quick Check of Hall A Supplies
 104
 Magnet Power Supplies X
Calculation For CREX Septum Supplies
 106
 Magnet Power Supplies X
Check of SBS Supply for CREX
 107
 Magnet Power Supplies X
Turning On Right Arm Supplies
 110
 Magnet Power Supplies X
A Quick Look At The LQ2 QME11
 111
 Magnet Power Supplies X
LQ3 Quench Protection Soldering Repair
 112
 Magnet Power Supplies X
HES Supply On The Beam Right Septum
 115
 Magnet Power Supplies X
Investigating LQ2 Quench Fault
 116
 Magnet Power Supplies X
More Investigation Of The LQ2 Quench Fault
 118
 Magnet Power Supplies X
Adjustment Of LQ2 Lead Voltage Drop Thershold
 120
 Magnet Power Supplies X
Quick Check of Hall A Power Supplies
 123
 Magnet Power Supplies X
Quick Check of Hall A Power Supplies 124
 Magnet Power Supplies X
LQ2 Investigation of Quench Faults
 126
 Magnet Power Supplies X
Continued Investigation of LQ2
 128
 Magnet Power Supplies X
Quick Check of Hall A Power Supplies
 133
 Magnet Power Supplies X
Brief Look at LQ1 Voltage
 135
 Magnet Power Supplies X
Investigating SBS Supply Trip
 137
 Magnet Power Supplies X
Quick Check of Hall A Power Supplies
 140
 Magnet Power Supplies X
SHMS Dipole Supply Tripping Off
 142
 Magnet Power Supplies X
Check of SHMS Time Delay Relays
 145
 Magnet Power Supplies X


Magnet Power Supplies X


Magnet Power Supplies X
Misc Hardware
Subject Page Volume
EG&G DB563 Delay Box Response 5
Miscellaneous Hardware I
Snoopy in Hall A 6
Miscellaneous Hardware I
LeCroy 4413/MOD200 7
Miscellaneous Hardware I
2735 Threshold (circuit) 9
Miscellaneous Hardware I
Noise in EEL 122 (various sources) 11
Miscellaneous Hardware I
Line Monitor Schematic 16
Miscellaneous Hardware I
AC Line Noise in EEL 122 17
Miscellaneous Hardware I
Looking at AC line noise in EEL 122 18
Miscellaneous Hardware I
Conductor ampacities 20
Miscellaneous Hardware I
Calculated frequency response of 2735 21
Miscellaneous Hardware I
NIM connector pin-out 22
Miscellaneous Hardware I
CAMAC connector pin-out 23
Miscellaneous Hardware I
MAX281 low pass bessel filter 24
Miscellaneous Hardware I
ATE 6-100M output programming linearity 25
Miscellaneous Hardware I
Accuwire sample cable 26
Miscellaneous Hardware I
Ribbon-ax patch cables with Accuwire cable 29
Miscellaneous Hardware I
Measured current drawn by CAMAC and NIM crates 31
Miscellaneous Hardware I
Tests of 50' Accuwire thinnet (IEEE802.3) cable 32
Miscellaneous Hardware I
Resistances of solid copper wire 36
Miscellaneous Hardware I
Stranded copper wire data 37
Miscellaneous Hardware I
Various driving (signal) configurations of ribbon-ax 38
Miscellaneous Hardware I
Evaluation of detector group's patch panel 40
Miscellaneous Hardware I
More patch panel investigations 50
Miscellaneous Hardware I
Delay and attenuation spread of 50' patch cables 55
Miscellaneous Hardware I
CAMAC crate temperatures 56
Miscellaneous Hardware I
Quick look at UMd summing module prototype 57
Miscellaneous Hardware I
First look at e- arm temperature cards 59
Miscellaneous Hardware I
First check of background in Hall A 60
Miscellaneous Hardware I
Temperature readout cards calibration 63
Miscellaneous Hardware I
After-pulsing of S1 8575 PMT (ES1/6L) 65
Miscellaneous Hardware I
IEEE802.3 cable spool lengths - checking measurement 66
Miscellaneous Hardware I
1881M gate timing check 67
Miscellaneous Hardware I
Quick check of output of S1 PMT's 71
Miscellaneous Hardware I
Cursory look at trigger - after-pulsing effects 73
Miscellaneous Hardware I
Quick check of trigger using Sr90 source 75
Miscellaneous Hardware I
Second look with Sr90 77
Miscellaneous Hardware I
Fastbus gate timing error - checking for 80
Miscellaneous Hardware I
First look at TDC stop signal 84
Miscellaneous Hardware I
TDC stop and MLU signals 86
Miscellaneous Hardware I
ADC Gate pulse (for 1881M) 90
Miscellaneous Hardware I
LeCroy 2373 MLU strobe pulse timing check 92
Miscellaneous Hardware I
MLU afterpulsing with 100ns discrim output & cosmics 93
Miscellaneous Hardware I
MLU afterpulsing with 25ns discrim output & cosmics 94
Miscellaneous Hardware I
Check of one Hadron arm Delay Spool timing 95
Miscellaneous Hardware I
Distance between trigger electronics (As first run) 97
Miscellaneous Hardware I
Transit times between spectrometers (Untrimmed 802.3 & RG-213) 100
Miscellaneous Hardware I
Trigger module transit times 102
Miscellaneous Hardware I
RG-213 patch cable transit times (flor to hut, etc.) 103
Miscellaneous Hardware I
Hadron arm analog delays' relative timing 104
Miscellaneous Hardware I
AC currents on Hadron Arm 110
Miscellaneous Hardware I
Timing of four repaired delay cables (Hadron Arm) 113
Miscellaneous Hardware I
Hall floor to detector stack noise 114
Miscellaneous Hardware I
Photovoltaic Cells and Laser Tests 116
Miscellaneous Hardware I
Photovoltaic Cells and laser tests 117
Miscellaneous Hardware I
Floor tilt in Hall A using laser - quick look 118
Miscellaneous Hardware I
Hall to gas shed ethernet length 119
Miscellaneous Hardware I
Check of laser alignment/obstacle detector 120
Miscellaneous Hardware I
Schematic of laser alignment/obstacle detector 123
Miscellaneous Hardware I
Stability of laser alignment/obstacle detector 124
Miscellaneous Hardware I
Photovoltaic cells - current and voltage output 129
Miscellaneous Hardware I
Electron arm delay spool measurements 130
Miscellaneous Hardware I
Examples of bad delay spool signals 134
Miscellaneous Hardware I
Electron arm delay spool measurements 136
Miscellaneous Hardware I
Repairs of some delay cables 144
Miscellaneous Hardware I
Repairs of some delay cables 145
Miscellaneous Hardware I
Repairs of some delay cables 146
Miscellaneous Hardware I
Maryland summing module current draw 148
Miscellaneous Hardware I
Sparky the Hall Rover 150
Miscellaneous Hardware I
Sparky Current Draw 151
Miscellaneous Hardware I
Sparky's broadcast RF signals 5
Miscellaneous Hardware II
1st guess of Sparky's circuit 6
Miscellaneous Hardware II
Noise and ground loop from Hall A to Counting Room A 7
Miscellaneous Hardware II
Quick look at performance of a delay box 10
Miscellaneous Hardware II
Length of cable pulled to 2nd floor of Counting House 12
Miscellaneous Hardware II
Velocity of propagation on RG-213 check 14
Miscellaneous Hardware II
Panasonic WV-1410 cameras 15
Miscellaneous Hardware II
Check of Shielding Hut door motor current draw 16
Miscellaneous Hardware II
ECL signal propagation on 100' of T 'n F 17
Miscellaneous Hardware II
Air conditioning in shielding huts 19
Miscellaneous Hardware II
Hadron detector stack temperatures 22
Miscellaneous Hardware II
EPICS readout of Hadron Arm temperature sticks 23
Miscellaneous Hardware II
ADC faults from FPP carbon door switches 24
Miscellaneous Hardware II
Hall A polar crane radio transmitter signals 25
Miscellaneous Hardware II
Anomalous gas c PMT pulses on Hadron arm 28
Miscellaneous Hardware II
Electron arm gas c PMT signals 36
Miscellaneous Hardware II
Detector hut temperatures 37
Miscellaneous Hardware II
Hunidity sensor for aerogel diffusion box 51
Miscellaneous Hardware II
HOBO H8 datalogger external input 52
Miscellaneous Hardware II
Crowcon sensor He sensitivity 54
Miscellaneous Hardware II
Breaking an 8575 under vacuum 57
Miscellaneous Hardware II
Helium level in Hall A 58
Miscellaneous Hardware II
HOBO H8 datalogger specs 64
Miscellaneous Hardware II
ES2R5 PMT replacement 65
Miscellaneous Hardware II
Initial check of gas gain monitoring tube 67
Miscellaneous Hardware II
Test of hadron detector hut sealing for Inergen 72
Miscellaneous Hardware II
Re-test of Hadron detector hut sealing 80
Miscellaneous Hardware II
Noise comparison of Phillips 740 and LeCroy 428F 85
Miscellaneous Hardware II
Corrected setup for Phillips & LeCroy test 90
Miscellaneous Hardware II
Crosstalk comparison of Phillips 740 and LeCroy 428F 92
Miscellaneous Hardware II
Capacitec sensor data 96
Miscellaneous Hardware II
Capacitec calibration data sheets 98
Miscellaneous Hardware II
Crude calibration of capacitec sensors 110
Miscellaneous Hardware II
Plots of capacitec sensors' linearity 120
Miscellaneous Hardware II
Thermistors on aluminum bench 126
Miscellaneous Hardware II
Circuit for powering thermistors 127
Miscellaneous Hardware II
Distance from end of angle to floor 128
Miscellaneous Hardware II
Capacitec sensor spec web pages 129
Miscellaneous Hardware II
Temperature effect on measured gap 131
Miscellaneous Hardware II
Tapping on angle - effect on measured gap 132
Miscellaneous Hardware II
Calculated YSI44301 thermistor values 137
Miscellaneous Hardware II
Calculated YSI44306 thermistor values 138
Miscellaneous Hardware II
MEDM displays of bench & a couple gas shed displays 139
Miscellaneous Hardware II
Bench strip tool readout - 1st one! 150
Miscellaneous Hardware II
Aluminum bench strip tool readouts 5
Miscellaneous Hardware III
Ezlog readout channels 11
Miscellaneous Hardware III
Thermistors and epoxy used on the bench 12
Miscellaneous Hardware III
Calibration check of YSI 44036 thermistor 17
Miscellaneous Hardware III
Some hut temperatures 20
Miscellaneous Hardware III
Rate of Argon gas use in HAWGS 21
Miscellaneous Hardware III
Air permittivity change vs. temperature 22
Miscellaneous Hardware III
Ethanol bubbler thermistor repositioning 23
Miscellaneous Hardware III
Aluminum bench plots 24
Miscellaneous Hardware III
Electron stack VDC low voltage problem 25
Miscellaneous Hardware III
Aluminum bench plots 28
Miscellaneous Hardware III
Gas shed data plots 29
Miscellaneous Hardware III
Electron stack VDC power supply regulation is bad, swapped out 31
Miscellaneous Hardware III
Ethanol temperature 12/19 -> 1/21/00 36
Miscellaneous Hardware III
Detector slow controls plots 37
Miscellaneous Hardware III
Ar/Eth gas consumption & cost measurement 40
Miscellaneous Hardware III
Ezlog channels being read/logged 41
Miscellaneous Hardware III
Aluminum bench plot 42
Miscellaneous Hardware III
Ar/Eth gas consumption/leaks measurements 43
Miscellaneous Hardware III
Aluminum bench plots 46
Miscellaneous Hardware III
Channels being read by Ezlog program 50
Miscellaneous Hardware III
Initial ezlog gas shed readout 51
Miscellaneous Hardware III
Aluminum bench plots 52
Miscellaneous Hardware III
Survey crew bench measurements results 54
Miscellaneous Hardware III
Test of Hadron (right) detector hut sealing for Inergen 55
Miscellaneous Hardware III
Mark Products helium detector 60
Miscellaneous Hardware III
Modifications to Mark Products helium detector 64
Miscellaneous Hardware III
Electron (left) shield house door speeds 66
Miscellaneous Hardware III
Mass flow controllers' duty cycles 71
Miscellaneous Hardware III
Detector Huts' temperature 2/12 -> 4/17 72
Miscellaneous Hardware III
Gas consumption of Ar/Eth 73
Miscellaneous Hardware III
Electron (Left) shield house Inergen test 74
Miscellaneous Hardware III
Gas shed temperatures (April -> May) 76
Miscellaneous Hardware III
Aluminum bench deflection test 77
Miscellaneous Hardware III
Left Arm S2 PMT check 86
Miscellaneous Hardware III
RICH preliminary operation 88
Miscellaneous Hardware III
Oxygen & H2O sensors in the Gas Shed 98
Miscellaneous Hardware III
O2 & H2O sensor test plots 102
Miscellaneous Hardware III
Heliax (5/8") cable timing between arms 104
Miscellaneous Hardware III
Clippard Minimatic pressure drop 110
Miscellaneous Hardware III
Calibration check of Capacitec gap sensors 112
Miscellaneous Hardware III
Mark Products helium detector - round 2 116
Miscellaneous Hardware III
Load test of DFC25E24T5/15 119
Miscellaneous Hardware III
AMI 136 Liquid He Level Meter
 120
Miscellaneous Hardware III
Q2 He Level Meter Oscillation
 127
Miscellaneous Hardware III
Pulsing S2 PMTs on Left Arm
 128
 Miscellaneous Hardware III
Pulsing S2 PMTs in Physics Storage
 130
 Miscellaneous Hardware III
Pulsing PMTs on Gas Cerenkov for Left Arm
 132
 Miscellaneous Hardware III
Liquid N2 Probe First Look
 135
 Miscellaneous Hardware III
AC Currents on Left Detector Stack
 138
 Miscellaneous Hardware III
Quartz Fiber Transmission
 140
 Miscellaneous Hardware III
Understanding the Weka Valve Controller
 141
 Miscellaneous Hardware III
Looking at Right Q2 Overheating
 146
 Miscellaneous Hardware III
Checking Some AMI 136 LHe Level Meters
 148
 Miscellaneous Hardware III
Schematic of AMI 136 Drive Circuit
 152
 Miscellaneous Hardware III
Replace Left VDC Bertan HV Supply
 6
 Miscellaneous Hardware IV
Solenoid Check for NMR Probes
 8
 Miscellaneous Hardware IV
Check of Current Draw of Fastbus Modules
 9
 Miscellaneous Hardware IV
Radiation Tolerance Check of Lead Flow Monitor
 10
 Miscellaneous Hardware IV
Testing Bogie Motors and Drive Modules
 19
 Miscellaneous Hardware IV
Checking Gas Contamination of 5" PMTs
 27
 Miscellaneous Hardware IV
Check of 50 Conductor Cables For VME ADCs
 42
 Miscellaneous Hardware IV
Calculated Fire Loads in the Shield Houses
 44
 Miscellaneous Hardware IV
Portable Gas Mixer Notes
 48
 Miscellaneous Hardware IV
Test Stand for Bogie Motors
 49
 Miscellaneous Hardware IV
Continuing To Check Bogie Motors/Drives
 55
 Miscellaneous Hardware IV
Developing A Bogie Brake Board Bench Test
 70
 Miscellaneous Hardware IV
Starting To Check The NMR Meters
 75
 Miscellaneous Hardware IV
Re-Start Of Checking The NMR
 76
 Miscellaneous Hardware IV
Scope Pictures From Metrolab NMRs
 77
 Miscellaneous Hardware IV
Probe Identification In A Metrolab NMR
 82
 Miscellaneous Hardware IV
Scope Pictures From Metrolab NMRs 83
 Miscellaneous Hardware IV
Current On Detector Stack Safety Ground
 88
 Miscellaneous Hardware IV
Loading Of The Right Arm Fastbus Crate w/Burnt Wire
 90
 Miscellaneous Hardware IV
Short LED String For RQ1 Inspection
 91
 Miscellaneous Hardware IV
First Look At PCA9698 40-bit I/O Chip
 92
 Miscellaneous Hardware IV
Damaged Extension Cord
 93
 Miscellaneous Hardware IV
First Look At How The APC PDU Works
 95
 Miscellaneous Hardware IV
Starting To Develop Heater Control
 97
 Miscellaneous Hardware IV
First Try With Citric Acid
 100
 Miscellaneous Hardware IV
Attempt To Oxidize A Cable
 102
 Miscellaneous Hardware IV
Attempt To Solder Cable
 103
 Miscellaneous Hardware IV
Further Tests Of Soldering Cable
 107
 Miscellaneous Hardware IV
Setting Up For Soldering A Lead
 109
 Miscellaneous Hardware IV
Voltage Drop On Old And New Leads
 111
 Miscellaneous Hardware IV
Hall C SHMS MAGNET ON Signs
 118
 Miscellaneous Hardware IV
Convectron Gauge Connections
 120
 Miscellaneous Hardware IV
SHMS Hodoscope PMT Base 121
 Miscellaneous Hardware IV
Error On PMT Bases From RCS
 123
 Miscellaneous Hardware IV
Check Of Transformer Card On 1881M Input
 125
 Miscellaneous Hardware IV
Bench Test Of New Bogie Drive
 129
 Miscellaneous Hardware IV
Further Testing Of New Bogie Drive
 131
 Miscellaneous Hardware IV
Understanding New Bogie Drive Parameters
 132
 Miscellaneous Hardware IV
Quick Check Of Pressure Sensor Chips
 135
 Miscellaneous Hardware IV
Test Of A Small Stepper Motor For TOF Distance Sensor
 136
 Miscellaneous Hardware IV
Pressure Sensor Chips Configuration For Testing
 138
 Miscellaneous Hardware IV
VCO For Driving Stepper Motors
 139
 Miscellaneous Hardware IV
Correcting Motor Connections For LVDT Testing
 140
 Miscellaneous Hardware IV
Understanding LVDT Meter Connections
 143
 Miscellaneous Hardware IV
Comparison of a Few Optocouplers
 144
 Miscellaneous Hardware IV
A Few Optocouplers After Irradiation
 146
 Miscellaneous Hardware IV
Hall A Gas Shed Air Compressor
 148
 Miscellaneous Hardware IV
More On The Gas Shed Compressor
 150
 Miscellaneous Hardware IV
Initial Current Draw Of DBK Heaters
 151
 Miscellaneous Hardware IV


Miscellaneous Hardware IV


Miscellaneous Hardware IV
Lab Techniques
Subject Page Volume
Attenuation of Homemade "Splitter Boxes"/Attenuators 5
Lab Techniques I
Setup of Pb-glass test stand 6
Lab Techniques I
PMT's used in Pb-glass test stand 8
Lab Techniques I
SWIC preamp quick check 9
Lab Techniques I
OPA660 quick check 10
Lab Techniques I
CP01 quick check 11
Lab Techniques I
QPA03 quick check CP01 schematic 12
Lab Techniques I
More of CP01 13
Lab Techniques I
OPA660 - trying to improve Guide for CP01 testing (F.B.) 14
Lab Techniques I
LM359 quick check 15
Lab Techniques I
CP01, SWIC & LM359 gain & noise check 20
Lab Techniques I
LM359 - trying to improve 18
Lab Techniques I
N-277-L & 2735DC first noise check 20
Lab Techniques I
CP01 & SWIC noise & gain vs. Capacitive loading 21
Lab Techniques I
N-277 schematic & specifications 24
Lab Techniques I
NIM & CAMAC pin specifications 25
Lab Techniques I
Grounded base amp result 26
Lab Techniques I
4418 jitter - quick look 27
Lab Techniques I
LeCroy 7200A mainframe noise generation 28
Lab Techniques I
PC amp - first check 29
Lab Techniques I
PC amp layout and schematic 30
Lab Techniques I
CLC425 gain and noise 31
Lab Techniques I
SWIC amp noise & schematic PC amp noise 33
Lab Techniques I
CP01 & PC amp noise 34
Lab Techniques I
CP01, CLC425, PC & QPA03 gains & noise vs. injection cap. size 35
Lab Techniques I
PC, CP01, & CLC425 gain & noise vs. capacitive loading 36
Lab Techniques I
Plots of gains vs. capacitive loading 40
Lab Techniques I
CLC425 gain linearity 41
Lab Techniques I
CLC425, CP01 & PC noise check in aluminum box 42
Lab Techniques I
PC amp gain linearity 43
Lab Techniques I
CP01 gain linearity 44
Lab Techniques I
CP01 & PC amp overshoot 45
Lab Techniques I
CP01 gain vs. capacitive loading 10pF for charge injection 47
Lab Techniques I
CP01 & PC amp linearity using current input (1k to input) 48
Lab Techniques I
AD9624 response pictures + Misc Amps (CLC425, AD811) 50
Lab Techniques I
CLC425 & AD811 response pictures 51
Lab Techniques I
TDS644A "overdrive??" problem 52
Lab Techniques I
2735DC & N-277-L response pictures 54
Lab Techniques I
HP8013B pulser noise generation 55
Lab Techniques I
AD9624 Spec sheets 56
Lab Techniques I
CLC425 Spec sheets 57
Lab Techniques I
PC and 3227 Amp noise check 58
Lab Techniques I
3227 Amp linearity and schematic 59
Lab Techniques I
CA3227 and CA3080 data sheets 60
Lab Techniques I
AMUXTTL schematic 61
Lab Techniques I
Check of 10' of 3M .050" Pleated Foil Cable 63
Lab Techniques I
Pleated Foil Cable data sheets 70
Lab Techniques I
Attenuation by RG174 of pocket pulser 74
Lab Techniques I
TDS620A "overdrive?" problem 77
Lab Techniques I
Attenuation by RG174 again 80
Lab Techniques I
Plots of RG174 attenuation and velocity of propagation 82
Lab Techniques I
Check of Pleated Foil Cable again 83
Lab Techniques I
LAMPF chamber delay line check 85
Lab Techniques I
Impedance of delay line on LAMPF chamber 86
Lab Techniques I
Response of HFA1100 Amp 87
Lab Techniques I
MAX435 Differential Pickoff 88
Lab Techniques I
CLC400 RG58 Pickoff 89
Lab Techniques I
CA3227 vs HFA3127 response 91
Lab Techniques I
Gain of CA3227 SOIC amp 93
Lab Techniques I
Noise of CA3227 SOIC amp 94
Lab Techniques I
MAX435 - Further Investigations 96
Lab Techniques I
6687 discriminator summary 98
Lab Techniques I
2735DC & N-277-L input response summary 99
Lab Techniques I
2735DC & N-277-L with capacitive loading 104
Lab Techniques I
HFA3127 revisited 107
Lab Techniques I
LeCroy 2735DC with capacitive loading 112
Lab Techniques I
Stanford E871 SCP5 Amp/Discriminator 113
Lab Techniques I
Beam Chamber Amp response 114
Lab Techniques I
Snoopy Mark I 115
Lab Techniques I
LeCroy 2735 response vs. risetime 116
Lab Techniques I
N277L response vs. risetime & 2735DC & N277L peak vs. pF loading 117
Lab Techniques I
LM359 response 118
Lab Techniques I
Beam Chamber Amp linearity 120
Lab Techniques I
LM369 data sheet CA3140 data sheet 121
Lab Techniques I
PM-7226 data sheet 122
Lab Techniques I
Differential Pickoff using discretes (power supply not bypassed to gnd) 124
Lab Techniques I
Differential Pickoff schematic 126
Lab Techniques I
Differential Pickoff using discretes (proper bypassing) 127
Lab Techniques I
MAX435 differential pickoff response 128
Lab Techniques I
AD8001 response 129
Lab Techniques I
Toko Balun responses 130
Lab Techniques I
Laser diode for analog transmission 1st attempt 134
Lab Techniques I
LeCroy 2735DC Threshold - measured 136
Lab Techniques I
VDC lifetime calculation (accumulated charge) 137
Lab Techniques I
Hall C 2735DC vs. N-277-L linearity 138
Lab Techniques I
Resistance/Attenuation vs. Temperature for Co-ax 139
Lab Techniques I
2735DC & N-277-L Time walk & jitter (pulser not setup correctly) 140
Lab Techniques I
Risetime and Amplitude Response of N277L & 2735DC 148
Lab Techniques I
2735DC response photos 5
Lab Techniques II
2735DC & N-277_l linearity 7
Lab Techniques II
2735DC & N-277-L Jitter (28 - 105fC injected and .25 - 15ns risetimes injected) 8
Lab Techniques II
2735DC & N-277-L Jitter (28 - 1050fC injected and .25 - 15ns risetimes injected) 13
Lab Techniques II
FPP Staw Tube Ar/Eth 62/38% Fe55 and HFA3127 amp 21
Lab Techniques II
FPP Staw Tube Ar/Eth 62/38% Fe55 and LM359 amp 22
Lab Techniques II
FPP Staw Tube Ar/Eth 62/38% Fe55 and 3227 SOIC amp 23
Lab Techniques II
3227 Jitter & Timewalk (28 - 105fC .25 - 15ns) 24
Lab Techniques II
Plot of 3227 Jitter (28 - 105fC 1.8 & 5ns rise 0 & 20pF loading) 28
Lab Techniques II
Plot of N277L, 2735DC & 3227 Timewalk (28 - 105fC 1.8 & 5ns risetime) 29
Lab Techniques II
AD9624 Jitter data (28 - 105fC .25 - 15ns rise) 30
Lab Techniques II
Impedance mismatch RG174 to T 'n F 32
Lab Techniques II
AD9624 A quick look at gain 34
Lab Techniques II
Inductive pickup on RG-213 - a quick look 35
Lab Techniques II
AMUXTTL and Balun comparison 38
Lab Techniques II
AMUXTTL channel gain variation 39
Lab Techniques II
Impedance match RG174 to AMP ribbon coax 40
Lab Techniques II
QPA03 gain & noise check (data only - no plots) 41
Lab Techniques II
E711 Fujitsu preamp gain and x-talk 45
Lab Techniques II
VDC gas gain Ar/CO2 75/25% 46
Lab Techniques II
Plot of VDC gas gain Ar/CO2 75/25 49
Lab Techniques II
FPP Straw Tubes Gas Gain Ar/CO2 75/25 Ar/Eth 62/38 50
Lab Techniques II
Plot of FPP Straw Tubes Gas Gain 55
Lab Techniques II
TDS744A Demo 56
Lab Techniques II
VDC Analog x-talk 58
Lab Techniques II
Gain Linearity of QPA03, PC, LM359, MB43458, CP01& 3227 SOIC 60
Lab Techniques II
3227 SOIC and FPP Straw Tube 63
Lab Techniques II
Patch panel evaluation (mine & Detector Group's) 65
Lab Techniques II
TDS784A Demo 70
Lab Techniques II
VDC Gas Gain (Ar/Eth 62/38) 72
Lab Techniques II
3227SOIC linearity ("Little Duke" package) 74
Lab Techniques II
AWG sizes 75
Lab Techniques II
AWG sizes 76
Lab Techniques II
VDC gas gain (Ar/Eth 62/38) 77
Lab Techniques II
PC amp revisited 79
Lab Techniques II
MAX4100 and OPA650 RG-58 pickoff 80
Lab Techniques II
Secondary Pulsing of TOF PMT's (8575's) 82
Lab Techniques II
LeCroy 2735 pickoff using MAX435 84
Lab Techniques II
MAX435 pickoff for RG-58 86
Lab Techniques II
OPA655 pickoff for RG-58 95
Lab Techniques II
2735DC with MAX435 pickoff cards 98
Lab Techniques II
Pressure drop in 1/2" O.D. Poly-flo tubing 100
Lab Techniques II
Propagation velocity of IEEE802.3 cables 102
Lab Techniques II
More propagation velocities of IEEE802.3 cables 103
Lab Techniques II
Quick look at Molex cable assembly 104
Lab Techniques II
Further Molex cable investigations 105
Lab Techniques II
Meritec & Molex RG-178 impedance match to RG-174 108
Lab Techniques II
Photocell/Laser diode for positioning - preliminary look 110
Lab Techniques II
Radioshack photovoltaic cell - quick check 111
Lab Techniques II
Coherent Instruments Div laser diode and PVC current 112
Lab Techniques II
Quick look at sensitivity of laser positioning 113
Lab Techniques II
Bogie motor shaft encoders 117
Lab Techniques II
Diode leakage currents (1N914 and 1N5401) 124
Lab Techniques II
First look at 931B PMT 126
Lab Techniques II
More 931B investigations 128
Lab Techniques II
Base and tube for background measurements 131
Lab Techniques II
Setup for measuring charge on a raindrop 132
Lab Techniques II
Charge on a drop tests 134
Lab Techniques II
Ken's feedback analysis 135
Lab Techniques II
RG-58C/U, A/U & RG-59U impedance mismatch demo I 136
Lab Techniques II
First try at a resistive base for 8575 PMT 138
Lab Techniques II
Further study of 8575 resistive base 140
Lab Techniques II
Check of wire chamber signals for Photon Calorimeter 151
Lab Techniques II
Photodiode leakage currents 5
Lab Techniques III
LeCroy 2735DC timewalk & jitter (from 6/95) 7
Lab Techniques III
First try at pulse shaping for PSD 17
Lab Techniques III
Crane RC box waveforms 19
Lab Techniques III
Delay Cable comparison 22
Lab Techniques III
First look at Hamamatsu 5600-U 28
Lab Techniques III
VDC pulses during beam 29
Lab Techniques III
Setting up for single photoelectron PMT tests 32
Lab Techniques III
Burle 8854 single P.E. response 33
Lab Techniques III
Linearity of 8854 spectrum 37
Lab Techniques III
Afterpulsing charge spectrum of 8854 42
Lab Techniques III
TDC spectrum of afterpulsing in an 8854 52
Lab Techniques III
8575 ADC & TDC spectrums 67
Lab Techniques III
Comparing new & used 8575's 70
Lab Techniques III
Burle voltage divider configurations 73
Lab Techniques III
Crowcon Gas Sensor sensitivity to Helium 77
Lab Techniques III
More used 8575's 79
Lab Techniques III
Crowcon sensitivity to helium, again 82
Lab Techniques III
Afterpulsing in Pb-glass of PS & TA 85
Lab Techniques III
Moller Pb-glass afterpulsing 90
Lab Techniques III
Typical afterpulsing in TOF 8575's 91
Lab Techniques III
8575 afterpulsing - LED on cable 95
Lab Techniques III
LED comparisons - avalanche pulser 97
Lab Techniques III
Avalanche pulser circuit 102
Lab Techniques III
R5600 PMT looking at gassy 8575 103
Lab Techniques III
Comparison of a new and 2 used 8575's (old 8575) 105
Lab Techniques III
Comparison of a new and 2 used 8575's (New 8575) 113
Lab Techniques III
Comparison of a new and 2 used 8575's (8575 from ES2/5R) 116
Lab Techniques III
R5600 datasheet (Hamamatsu tube) 120
Lab Techniques III
8575 PMT's w/Regina base & avalanche pulser LED 122
Lab Techniques III
                 Poisoned tube response 123
Lab Techniques III
                 New tube response 128
Lab Techniques III
Voltages on bad passive 8575 base 130
Lab Techniques III
PMT's & Bases from HS1/6 & ES1/6 131
Lab Techniques III
Attenuation in a delay spool 134
Lab Techniques III
Induced signal in a delay spool 138
Lab Techniques III
Repair of a passive 8575 base (from p. 130) 146
Lab Techniques III
4C Oxygen sensor 147
Lab Techniques III
Gas Test Chamber for HAWGS 149
Lab Techniques III
Initial operation of gas test tube 5
Lab Techniques IV
Observation of gain loss in gas test tube 6
Lab Techniques IV
Test 3227SOIC amp stability 11
Lab Techniques IV
Gain check of tube - blew out 3227SOIC amp 13
Lab Techniques IV
Bench test of 3227SOIC amp replacement 14
Lab Techniques IV
Further observations of gain droop 17
Lab Techniques IV
HV supply droop over time 22
Lab Techniques IV
EMCO HV supply data sheet 23
Lab Techniques IV
Ohmcraft HV resistor spec sheet 24
Lab Techniques IV
HAWGS Gas Mix Gain Monitor schematic 26
Lab Techniques IV
Initial operation of tube with new HV supply 27
Lab Techniques IV
Observations of less resolution in tube 30
Lab Techniques IV
Comparison of new and old gain tubes 38
Lab Techniques IV
Disassembly of old gain tube 41
Lab Techniques IV
FPP straw tube gain with Ar/CO2 43
Lab Techniques IV
Gas gain tube hooked up to mixing system 51
Lab Techniques IV
More gas gain tube work - gas flow problems 52
Lab Techniques IV
Pictures from p. 51 58
Lab Techniques IV
Rebuild brass gas gain tube 59
Lab Techniques IV
Stainless steel gas gain tube 63
Lab Techniques IV
Quick check of humidity/dry air effect on gas gain tube 76
Lab Techniques IV
Gas gain tube with dry air blowing over it 78
Lab Techniques IV
PEC ECL Delay modules quick performance check 83
Lab Techniques IV
OKW electronics RF transmitter & receiver (AM) 90
Lab Techniques IV
Ultrasonic level switches 91
Lab Techniques IV
Photonis VD202K/01 base 98
Lab Techniques IV
Photonis VD305KB base 99
Lab Techniques IV
Amplifier added to VD305KB 100
Lab Techniques IV
Comparison of 8854 and 4572 assemblies 101
Lab Techniques IV
Quick check of "noisy" 8854s 107
Lab Techniques IV
RICH O2 & H2O sensor performance in the EEL 115
Lab Techniques IV
First look at the AD8015 124
Lab Techniques IV
Check of VDC gas gain in the hall 127
Lab Techniques IV
Verifying the gain of the "Little Duke" amplifier 130
Lab Techniques IV
OPA655 as a transimpedance amp 134
Lab Techniques IV
VDC gas gain using OPA655 138
Lab Techniques IV
Wire tension measurement using audio speaker 142
Lab Techniques IV
Aborted check of 5th VDC 144
Lab Techniques IV
Diode array for laser level 145
Lab Techniques IV
Diode array with laser diode 146
Lab Techniques IV
7.2 AH battery charge and discharge characteristics 5
Lab Techniques V
Current draws of Clippard valve, Isopod and Q-Card 24 Lab Techniques V
Quick performance check of LED worklights 25 Lab Techniques V
Check of backside efficiency of thin film solar cell 28 Lab Techniques V
Quick check of drain of Ni-MH AA batteries 29 Lab Techniques V
Check of drain of AA Ni-MH and Alkaline batteries 31 Lab Techniques V
Initial current draw of various lightbulbs 34 Lab Techniques V
Current drain of Lithium AA batteries 38 Lab Techniques V
More observations on charging Pb-Acid batteries 40 Lab Techniques V
First try of PVDF sensor on drum head 44 Lab Techniques V
Charging batteries with the "Battery Minder" 45 Lab Techniques V
Internal resistances of 9 AH Pb-Acid batteries 46 Lab Techniques V
Current drain of AA Ni-Cd and Ni-MH batteries 48 Lab Techniques V
Checking some gas cylinders ("bad" ethane) 55 Lab Techniques V
Check of Argon/CO2 mixtures 60 Lab Techniques V
First test of discrete grounded base preamp 62 Lab Techniques V
Checking new ethane cylinders 65 Lab Techniques V
Checking ethane cylinders with gas gain tube 69 Lab Techniques V
Optocoupler test circuit 71 Lab Techniques V
Switch debounce using 741 opamp 73 Lab Techniques V
Temperature effect on a CNY17-3 optocoupler 74 Lab Techniques V
Stepper motor driver check 75 Lab Techniques V
A look at PMTs for the Freon Gas Cherenkov 78 Lab Techniques V
Calculated voltages on base with +301V applied 80 Lab Techniques V
4508 PMT and LED in the darkbox 86 Lab Techniques V
4508 PMT check - QVT charge injection 87 Lab Techniques V
Attempt to see cosmics with Freon Cherenkov 90 Lab Techniques V
First look at MCA-2 93 Lab Techniques V
Compton Electron Detector Amplifier PRE 48V
 96
 Lab Techniques V
Compton Electron Detector Original Amplifier 108
 Lab Techniques V
Ultrasonic Transmitter and Receiver
 118
 Lab Techniques V
Delayed Output Panel Meter
 121
 Lab Techniques V
Comparator Hysteresis Calculation
 125
 Lab Techniques V
Ultrasonic Signal Attenuation
 128
 Lab Techniques V
Ultrasonic Attenuation in N2/CO2 Mixtures
 131
 Lab Techniques V
Ultrasonic Attenuation in N2/Ar Mixtures 134
 Lab Techniques V
Ultrasonic Attenuation in He
 138
 Lab Techniques V
Ramp Generator Revisited
 140
 Lab Techniques V
Use-Me Pulser New Circuit Board
 141
 Lab Techniques V
Testing LEDs for Use-Me Pulser
 143
 Lab Techniques V
One More LED Test
 146
 Lab Techniques V
555 Timer Chain For Background Monitor
 147
 Lab Techniques V
12V Brushed DC Motor Control Experiment
 149
 Lab Techniques V
Continuing 12VDC Motor Investigations
 5
 Lab Techniques VI
Trying a LM340 for the CTR Test Circuit
 8
 Lab Techniques VI
Trying to Develop a 555 Quench Protection
 9
 Lab Techniques VI
Calculation of CO2 Flow In 500' of 1/2" Poly-Flo
 10
 Lab Techniques VI
Re-Visiting the Bases for the 8575
 12
 Lab Techniques VI
Active Base For The XP2262
 16
 Lab Techniques VI
A Look At An XP2020 From Hall C
 20
 Lab Techniques VI
HMS Dipole LN2 Level Probe Circuit
 23
 Lab Techniques VI
Looking at the 555 Monitoring Circuit
 24
 Lab Techniques VI
More Thoughts On The 555 Circuit
 26
 Lab Techniques VI
Measure The Pressure Drop In 1000' Of 1/2" Poly  N2 gas
 27
 Lab Techniques VI
N2 & Ar Pressure Drop In 1000' of 1/2" Poly Tubing
 29
 Lab Techniques VI
MFC Drive Voltages For Ar/CO2 70%/30%
 32
 Lab Techniques VI
CO2 Pressure Drop In 1000' of 1/2" Poly Tubing
 34
 Lab Techniques VI
Re-doing CO2 Pressure Drop
 35
 Lab Techniques VI
Ar/CO2 75%/25% & 70%/30% Pressure Drop
 36
 Lab Techniques VI


Lab Techniques VI


Lab Techniques VI


Lab Techniques VI
VDC
Subject Page Volume
VDC gain 5
VDC
Voltage drops on power lines 10
VDC
Voltage drops w/16AWG wire on power lines 11
VDC
Ar/Eth certificate of analysis 12
VDC
Linearity of Kepco supplies 13
VDC
2735DC threshold circuit 14
VDC
2735DC timewalk and gain 15
VDC
VDC gas gain 16
VDC
2735DC MVL407S threshold vs. applied voltage 17
VDC
Ar/Eth certificate of analysis 18
VDC
VDC gas gain - extended range 20
VDC
Measured length of VDC 21
VDC
Estimate of VDC lifetime 22
VDC
VDC wire tension measurement 23
VDC
HV power supplies trip-off performance 25
VDC
VDC analog signals with beam 26
VDC
VDC voltage drops on power supply lines 36
VDC
Left Arm VDC orientation (crude) 39
VDC
VDC movement when stack pulled 40 VDC
VDC gas gain in the hall 41 VDC
VDC gas gain in the hall 42 VDC


VDC
Jack
Subject Page Volume
First LED pulser circuit 5
I
Response of PMT to LED pulser circuit 13
I
E771 test base for R329 PMT 24
I
Use Me LED pulser circuit 27
I
3M Pleated Foil cable (25 mil pitch 2" long) (scope camera setting) 29
I
Scope comparison using a 385 MHz oscillation 37
I
Oscillator using a 2N5484 40
I
UVA QPA03 board charge injection 42
I
Noise of UVA QPA03 preamp 43
I
Comparing noise of UVA & Berkeley preamps 46
I
Comparing noise of UVA & Berkeley preamps 52
I
Oscillation of UVA preamp 57
I
Trying an analog multiplexer 58
I
Looking at 30' sample of 3M Pleated Foil Cable 62
I
Looking at AMUXTTL 66
I
30' Pleated Foil Cable continued 72
I
E735 straw tube section 74
I
McChamber preliminary investigation 78
I
Thermistor readout circuit 81
I
Gain of QPA02 85
I
Plots of input current effects for QPA02 91
I
Non-linear Oscillator 92
I
National Semiconductor ADC0858 93
I
First look at specific heat of mash 94
I
Motorcycle sparkplug current measurements 97
I
Capacitive Pickoff for Spark Plugs
 105
I
Energy Requirements for Mashing
 118
I
Quiescent Current Draw of Victory Cycle
 119
I
Doctor Frog Soil Moisture Monitor
 120
I
Current Draws of Craftsman Cordless Tools
 122
I
Solar Cell Flashlight
 123
I
PowerStor Aerogel Super CapacitorI2C Bus for Alewerks
 126
I
Calculated Time to Heat 10 Gallons
 128
I
Current Draw of a Raspberry Pi B+ V1.2
 129
I
Hand Crank Flashlight Disassembly
 131
I
Clippard Proportional Valve and Pololu DRV8825
 132
I
LED Whirly-Gig
 134
I
Walkway LED Solar Panels
 135
I
Current In A Relay Solenoid
 136
I
Current In A Valve Solenoid
 138
I


I
Mosaic Controller ADC Inputs
 5
II
Current Draw of the Mosaic Controller
 7
II
Low Current Monitor With the MAX4080 and Mosaic
 8
II
Looking at a YSI 44036 Thermistor
 9
II
Thermistor for Monitoring Soil Moisture
 11
II
GW Kent Temperature Controller
 14
II
Constants for the YSI 44036 Thermistor
 19
II
Voltage Divider for YSI 44036 Thermistor
 20
II
First Look at Glycol Temperatures in the Coldroom
 21
II
DI-145 Monitoring of Glycol Temperatures
 23
II
Glycol Temperature Plots Dropping FV1 66 degF to 60 degF
 25
II
Calculated Pressure Drop When Crashing FV1
 27
II
Checking Crosstalk for DATAQ DI-145
 28
II
First Try At Glycol Pump Control - Analog and Love
 30
II
Trying An Analog PID Loop For Glycol Pump
 34
II
Thoughts On Analog PID Loop
 37
II
Trying Analog And Love Controllers
 38
II
Love Controller Starts Behaving
 44
II
Settings on the Love Controller
 46
II
Recording Some Glycol Temperatures
 47
II
Glycol Temperature Recording From 6/30/12
 50
II
Glycol System Temperature Recording
 55
II
Glycol System Temperature Recordingmw/Flowmeter Notes 58
II
Glycol System Temperature Recording 60
II
Glycol System Recordings 62
II
Using A CUI32Stem Controller
 64
II
Effect of Cable Length on CUI32Stem I2C
 65
II
I2C Addresses On Temperature Sticks
 67
II
First FV Temperature Plots Using TMP100 Sticks
 68
II
First Result Of Concatenating Temperature Files
 77
II
Longer Distance I2C Repeater Using PCA9600
 82
II
MAX11617 Reading Thermistor In Glycol Tank
 85
II
Problems Reading Temperatures Of Glycol Tank
 88
II
Note On The Glycol 24VDC Supply
 89
II
Flakey G.W. Kent Controller
 90
II
Configuring The Glycol Pump Drive
 91
II
Max Frequency Setting On VFD Controller
 92
II
Effluent pH Probe
 93
II
RPi Setup To Measure pH Of Drain
 95
II
First Run Of pH Sensor In The Drain
 98
II
Two Runs Of pH Sensor In The Drain 101
II
Check of Current Draw of FV0,1,2,3,4 Solenoids
 104
II
Estimate of Time to Cool New Glycol Reservoir
 109
II
Current Draw of FV4 Glycol Solenoid 110
II
Error - Solenoid Valve With Current Limited Supply
 112
II
Current Draw of a Glycol Solenoid Valve 115
II
Temperature Sensors For Glycol Reservoir Tank
 117
II
Adjusting Pump Controls - Love Controller Settings
 119
II
Adjusting Controller For Glycol Pump
 121
II
I2C Extender Using PCA9600 and TCA9548 MUX
 124
II
I2C Pass-Through Node Using PCA9600
 128
II
More On I2C Pass-Through Node Using PCA9600 132
II
First Look At The Meheen Brite Tank Controller
 135
II
A Look At The Meheen BT Controller
 138
II
Further Look At Meheen BT Controller
 140
II
First Try At A Standalone DAQ
 142
II
Comparisson of Vinegar and Citric Acid
 144
II
Quick Look At A Small 3-Phase Generator
 145
II
3-Phase and Single Phase Generators
 146
II
Boosted Board LED Parameters
 148
 II


II
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