Atec Stanford-DG535 - Manual (Page 4)

Stanford Research Systems phone: (408)744-9040
www.thinkSRS.com
Delays
Channels Four independent delay outputs
Range 0 to 999.999,999,999,995 seconds
Resolution 5 ps
Accuracy 1500 ps + timebase error × delay
Timebase Standard: 25 ppm crystal oscillator
Optional: 1 ppm TCXO (opt. 03)
External: 10.0 MHz reference input
RMS jitter <100 ps + (10 –8 × delay)
Trigger delay (typ.) 85 ns (ext. trigger to T0 output)
External Trigger
Rate DC to 1/(1 µs + longest delay)
Threshold ±2.56 VDC
Resolution 10 mV
Slope Trigger on rising or falling edge
Impedance 1 MΩ + 40 pF or 50 Ω
Internal Rate Generator
Rate Single shot, 0.001 Hz to
1.000 MHz, or line
Resolution Four digits, 0.001 Hz below 10 Hz
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
Outputs
Load 50 Ω or high impedance
Rise time 2 to 3 ns (typ.)
Slew rate 1 V/ns
Overshoot <100 mV + 10 % of pulse amplitude
Levels TTL: 0 to 4 VDC (normal or inverted)
ECL: –1.8 to –0.8 VDC
(normal or inverted)
NIM: –0.8 to 0.0 VDC
(normal or inverted)
VAR: Adjustable offset and
amplitude between –3 and +4 VDC
with 10 mV resolution.
4 V maximum transition.
Accuracy ±(50 mV + 3 % of pulse amplitude)
Option 02 Rear-panel 1 µs pulses corresponding
to T0, A, B, C, D outputs with
nominal amplitude of 8× the front-
panel outputs (1 kHz rep. rate).
Output level is reduced by 2 V/mA
of additional average output current.
Fast Rise Time (opt. SRD1)
Output amplitude +0.5 to 2.0 VDC
Output offset –0.8 VDC (typ.)
Transition time
Rise (20/80 %) 100 ps (max.)
Fall (20/80 %) 2000 ps (max.)
Pulse aberrations
Foot 4 % (typ.)
Ring ±5 % (typ.)
Fast Fall Time (opt. O4B)
Output amplitude –0.5 to –2.0 VDC
Output offset +0.8 VDC (typ.)
Transition time
Rise (20/80 %) 2500 ps (max.)
Fall (20/80 %) 100 ps (max.)
Pulse aberrations
Foot 4 % (typ.)
Ring ±5 % (typ.)
General
Display backlit 20-character LCD
Computer interface GPIB (IEEE-488). All instrument
functions and settings may be
controlled over the interface bus.
Interface queue can be viewed from
the front panel.
Dimensions 8.5" Ч 4.75" Ч 14" (WHD)
Weight 10 lbs.
Power 70 W, 100/120/220/240 VAC,
50/60 Hz
Warranty One year parts and labor on defects
in materials and workmanship
DG535 Specifications