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Bench
Instruments > Signal
Sources > Function
Generators > |
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80/81 Function Pulse
Generators |
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Except as noted,
specifications apply to Models 80 and 81 Specifications apply
after a 20 minute warmup
Standard
Waveforms |
Standard Waveforms |
|
Sine, triangle, square,
positive and negative pulses, and (Model 80 only)
dc | |
Frequency |
Range |
|
Resolution |
|
Accuracy (Continuous
Mode) |
10 mHz to 999.9 mHz: |
± 3% |
1 Hz to 50 MHz: |
± 0.1% |
Jitter: |
=0.1% ± 50
ps | |
Waveform
Quality |
Harmonic Distortion
(Sine) |
100 mHz to 1 MHz: |
< 1% THD |
1 MHz to 5 MHz: |
Max harmonic < -40
dB |
5 MHz to 50 MHz: |
Max harmonic < -21
dB | |
Flatness |
10 mHz to 999.9 kHz: |
± 1% |
1 MHz to 9.999 MHz: |
± 2% ± 2% |
10 MHz to 50 MHz: |
-15% | |
Triangle and Ramp
Linearity |
|
£5 MHz (10% to 90% of
Amplitude): > 99% | |
Square Rise/Fall Time |
|
(10% to 90% of Amplitude):
< 6 ns | |
Square Aberrations |
|
Pulse & Ramp
(Model 81 Only) |
Pulse Modes |
|
Symmetrical pulse, positive
pulse, negative pulse, and the complement to all
pulse waveforms | |
Pulse Period |
Range: |
20 ns to 99.99s |
Resolution: |
4 digits |
Accuracy and Jitter: |
As for
frequency | |
Pulse Width |
Range: |
10 ns to 999 ms |
Setting Accuracy: |
10 ns to 99.9ns: ± (5% + 2
ns) |
|
100 ns to 999 ms: 3% ± (4%
+ 2 ns) |
Resolution: |
3 digits |
Duty Cycle Range: |
1% to 80%. Up to 99% using
the complement mode 0 to 5V ± 20% produces >
10% pulse width change from pulse width
setting |
PWM Range: |
dc to 70 kHz |
Ramp Modes: |
Positive or negative going
ramp | |
Ramp Period |
Range: |
7 µs to 99.99s |
Resolution: |
4
digits | |
Ramp Width |
Range: |
5 µs to 999 ms |
Setting Accuracy (5µs to
999ms): |
3% |
Resolution: |
3 digits |
Duty Cycle Range: |
1% to
80% | |
Transition Times |
Range: |
8 ns to 99.9 ms in six
overlapping ranges. Leading and trailing edges are
independently programmable |
Max Ratio between
Ranges: |
100 to 1 |
Accuracy: |
8 ns to 99 ns: ± (5% + 2
ns) | |
Modulation |
AM and SCM |
|
External 0 to 10V produces
0 to 200% |
Range: |
0 to 200%, reduced to 70%
at 1 MHz |
Bandwidth: |
dc to 50
kHz | |
VCO |
Range: |
4.7V change produces approx
1000:1 frequency change |
Bandwidth: |
dc to 50
kHz | |
FM (Model 80 only) |
Range: |
0 to 0.5V change produces
1% deviation |
Bandwidth: |
dc to 50
kHz | |
Amplitude |
Range |
Into 501/2: |
10 mV to 16 Vp-p |
Into Open Circuit: |
20 mV to 32 Vp-p |
Resolution: |
3 digits |
Accuracy (at 1 kHz): |
± 4 %
reading | |
DC Offset |
DC Offset |
|
Offset and amplitude are
independently adjustable within two windows: |
|
-800 mV to +800 mV |
|
-8V to
+8V | |
Range |
± 800 mV Window: |
± 795 mV |
± 8V Window: |
±
7.95V | |
Resolution |
|
Accuracy (At 1 kHz) |
± 800 mV Window |
± (1% of setting + 1% of
amplitude + 0.2 mV) |
± 8V Window: |
± (1% of setting + 1% of
amplitude + 2
mV) | |
Main Output |
Modes |
|
Normal (on) or disabled
(off) | |
Impedance |
|
Output Protection |
|
Protected against
continuous short to chassis
ground | |
Sync Output |
Level (Into 50Ω) |
|
Rise/Fall Time |
|
Operating
Modes |
Operating Modes |
|
Continuous, triggered,
phaselock, start phase, and (Model 80 only)
sweep | |
Sweep Operation (80
Only) |
Modes |
|
Sweep may be continuous or
triggered by any trigger
mode | |
Sweep Spacing |
|
Sweep Directions |
|
Up, down, up-down, and
down-up | |
Sweep Range |
Log: |
10 decades max |
Linear: |
3 decades
max | |
Sweep Rate |
Log: |
10 ms to 999s per
decade |
Linear: |
10 ms to
999s | |
Sweep Out |
|
0 to 5V ramp proportional
to frequency at rear panel BNC |
Marker Output: |
Output signals when marker
frequency is
reached | |
Triggered
Operation |
Modes |
|
Single shot, gated, and
burst | |
Sources |
|
Manual (front panel key),
internal trigger rate generator, and external
signal input | |
Triggered |
|
For each trigger, one
output cycle is
generated | |
Gated |
|
Continuous waveform cycles
are generated for the duration of the active
portion of the trigger signal. Last cycle is
always completed | |
Burst |
|
Preset number of waveform
cycles are generated by a trigger: 1 to
4,000 | |
Manual Trigger |
|
Key provides trigger
signal | |
Internal Trigger Rate
Generator |
|
External Input |
|
Via Trig Input BNC |
Impedance: |
10 kΩ ± 5% |
Sensitivity: |
500 mVp-p |
Max Input Voltage |
± 20V |
Min Pulse Width |
20 ns |
Max Frequency: |
50 MHz |
Slope |
Positive or negative going
leading edges |
Trigger Level: |
Variable -10V to
+10V | |
Start Phase of Triggered
Waveform |
To 500 kHz: |
Adjustable from -90º to
+90º. |
From 500.1 kHz to 50
MHz: |
Adjustable range
proportionally reduced as frequency increases
|
Accuracy (to 500 kHz): |
±
3º | |
Phaselock
Operation |
Phaselock Operation |
|
Output waveform locks to
frequency and phase of external signal. Phase may
be offset. | |
Impedance |
|
Min Pulse Width |
|
Locking Range |
|
Phase Offset (10 Hz to
19.99 MHz) |
|
Continuously adjustable
from -180º to +180º | |
Resolution |
|
Accuracy (1O Hz to 100
kHz) |
|
General
Specifications |
Remote Operation |
|
GPIB interface is standard
on Models 80 and 81. HP8116A emulation mode (Model
81 only) | |
Environment |
Operating Temperature: |
0º to 50ºC, ambient |
For Specified
Accuracy: |
Within ± 5ºC and 24 hours
of last internal calibration |
Storage Temperature: |
-40º to +70ºC |
Humidity: |
80%
R.H. | |
Power |
|
115/230 Vac, optional 100V,
50 or 60 Hz, 60 W max | |
Stored Set-ups |
|
Complete sets of
front-panel set-ups stored:
30 | |
Size |
|
8.9 cm (3.5 in) high x 21.1
cm (8.3 in) wide x 39.1 cm (15.4 in)
deep | |
Rack Mount Dimensions |
Single: |
8.9 cm (3.5 in.) H x 48.3
cm (19 in.) W |
Dual: |
13.3 cm (5.25 in) H x 48.3
cm (19 in) W | |
Weight |
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