TRIGGER ELECTRONICS
Electron Arm
2 CAMAC crates for trigger (36 slots used)(7U)(CAMAC is 25-2=23 slots per crate)
- 1 of LeCroy 4564 ( OR )
- 1 of LeCroy 4415 (long output discrim.)
- 7 of LeCroy 4413/200 for scintillators (60ch + 5 for T1*T2 logic) (16ch/mod)
- 1 for S1 ( 12ch/16 => 1 )
- 1 for S2 ( 12ch/16 => 1 )
- 2 for Aerogel ( 26ch/16 => 2 )
- 1 for Gas ( 10ch/16 => 1 )
- 1 for Pb glass multiplexer ( 8ch/16 => 1 )
- 1 for T1*T2 logic ( 5ch/16 => 1 )
- 1 of LeCroy 4518/300 (128ns delay) (16ch/mod)
- 7 of LeCroy 4518/100 (15ns delay) (16ch/mod) (1 per 4413/200)
- 1(2?) of LeCroy 4516 ( AND )
- 3 of LeCroy 2373
1 Fastbus crate (24 slots used) (18U) (Fastbus is 26-1=25 slots per crate)
- 4 of LeCroy 1881M (64ch/mod)
- 1 for scint and cheren (60ch) (64ch/mod)
- 3 for glass (144ch) (64ch/mod)
- 2 of LeCroy 1875A for scintillator (2 to reduce dead time) (64ch/mod)
- 17 of LeCroy 1877 (96ch/mod)
- 1 for cheren (36ch) (96ch/mod)
- 16 for VDCs (23*4/6 mods) (96ch/mod)
2 HV LeCroy 1458 mainframes (8U) (16 cards per crate)
- 17 of 1461N PMT HV supply cards (12ch/card)
2 NIM crates
- 6 of Digital Delay units (16ch/mod) (NIM)
1 Hybrid VXI crate for Trigger Supervisor(12U)
(14 of VME slots and 6 of VXI slots per crate)
8 Ribbonax to RG58C/U patch panels (64 ch/panel) (2U)
1 VME crate for monitoring (21-1=20 slots)
- 1 of HP1313A 16 bit ADC (32 channels+32 channel expansion)
- 1 of VMIC 4140 12 bit DAC (32 channels)
- 1 of VMIC 1182 TTL Input (64 channels)
- 1 of VMIC 2210 Relay Board (64 channels)
Hadron Arm
1 CAMAC crate for trigger (21 slots used)
- 1 of LeCroy 4564 ( OR )
- 1 of LeCroy 4415 (long output discrim.)
- 7 of LeCroy 4413/200 for scintillators and cheren (78ch) (16ch/mod)
- 1 for S1 ( 12ch/16 => 1 )
- 1 for S2 ( 12ch/16 => 1 )
- 2 for S3 ( 18ch/16 => 2 )
- 2 for Aerogel ( 26ch/16 => 2 )
- 1 for Gas ( 10ch/16 => 1 )
- 1 of LeCroy 4518/300 (128ns delay) (16ch/mod)
- 8 of LeCroy 4518/100 (15ns delay) (16ch/mod)
- 2 of LeCroy 4516 ( AND )
- 3 of LeCroy 2373 (Memory Look-up Unit)
2 Fastbus crates (35 slots used)
- 2 of LeCroy 1881M for scint and cheren (78ch) (64ch/mod)
- 2 of LeCroy 1875A for scintillator (2 to reduce dead time) (64ch/mod)
- 24 of LeCroy 1877 (96ch/mod)
- 1 for cheren (36ch) (96ch/mod)
- 16 for VDCs (23*4/6 mods) (96ch/mod)
- 7 for FPP (5000/8/96 mods) (96ch/mod)
1 HV mainframe (8U) (16 cards per crate)
- 7 of 1461N PMT HV supply cards (12ch/card)
- 2 of FPP 1468P HV supply cards (12ch/card)
2 NIM crates
- 6 of Digital Delay units (16ch/mod) (NIM)
1 Hybrid VXI crate for Trigger Supervisor(12U)
(14 of VME slots and 6 of VXI slots per crate)
4 Ribbonax to RG58C/U patch panels (64 ch/panel) (2U)
1 VME crate for monitoring (21-1=20 slots)
- 1 of HP1313A 16 bit ADC (32 channels+32 channel expansion)
- 1 of VMIC 3122 16 bit DAC (64 channels)
- 1 of VMIC4140 DAC (32 channels)
- 1 of TTL I/O (64 channels)
- 1 of VMIVME RS-232 serial ports (16 channels)
Paulus Engineering Company (PEC) Digital Delay (NIM)
Hall C module tests (380ns delay module) show 33ps/deg C (spec'd at 100ps/deg C)
Cable gave 0.85ps/deg C/meter (negative sign)
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