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DG535 SPECIFICATIONS
DELAYS
Channels
Four independent delay outputs : A, B, C and D
Range
0 to 999.999,999,999,995 seconds
Resolution
5 ps
Accuracy
1500 ps + timebase error x delay
Timebase
Standard: 25 ppm crystal oscillator
Optional: 1ppm TCXO (Opt. 03)
External: user provides 10.0 MHz reference
RMS Jitter
Ext Trig to any output: 60 ps + delay x 10-8
T0 to any output: 50 ps + delay x 10-8
Trig Delay
Ext Trig to T0 output : 85 ns
INTERNAL RATE GENERATOR
Rate
Single shot, .001 Hz to 1.000 MHz, or Line
Resolution
0.001 Hz below 10 Hz, otherwise 4 digits
Accuracy
Same as timebase
Jitter 1:10,000
Settling
<2 seconds for any rate change
Burst Mode
2 to 32766 pulses per burst at integer multiples
(4 to 32767) of the trigger period
INPUTS
External Trigger
Rate: dc to 1/(1 µs + longest delay)
Threshold:
±2.56 Vdc
Slope: Trigger on rising or falling edge
Impedance: 1 M
Ω
+ 40 pF or 50
Ω
Option 06
TTL front panel trigger inhibit input.
OUTPUTS
T0, A, B, C, D, AB, -AB, CD and -CD
Load
50
Ω
or high impedance
Risetime
2 to 3 ns (typical)
Slew Rate
1 Volt/ ns
Overshoot
<100mV + 10% of pulse amplitude
Levels
TTL:
0 to 4 Vdc, normal or inverted
ECL:
-1.8 to -.8 Vdc, normal or inverted
NIM:
-.8 to 0 Vdc, normal or inverted
VAR:
Adjustable offset and amplitude
between -3 and +4 Vdc with 4V
maximum step size
Accuracy
50 mV + 3% of pulse amplitude
Option 02
Rear panel T0, A, B, C, D outputs for 1µs
pulses, amplitudes typically x8 of corresponding front
outputs at 1kHz rep. rate. Output level is reduced by
2V/mA of additional average output current.
COMPUTER INTERFACE
IEEE488 Standard GPIB
SH1, AH1, T6, TE0, L4, LEO, SR1, RL1, PP0, DC1, DT1, C0 and E1.
256 characters are remembered in the command buffer.
All instrument functions and settings may be controlled over the
interface bus.
GENERAL Dimensions:
14" x 8.5" x 4.75"
Weight: 10 lbs
Power: 70 Watts from 100, 120, 220, or 240 Vac
Warranty: One year parts and labor on materials and workmanship.