| Specifications |
| Delays |
|
| Channels |
Four independent delay outputs |
| Range |
0 to 999.999,999,999,995 seconds |
| Resolution |
5 ps |
| Accuracy |
1500 ps + timebase error ¡Á delay |
| Timebase |
Standard: 25 ppm crystal oscillator Optional: 1 ppm TCXO (opt. 03) External: 10.0 MHz reference input |
| RMS jitter |
<50 ps + 10-8 ¡Á delay (T0 to any output) <60 ps + 10-8 ¡Á delay (ext. trigger to any output) |
| Trigger delay (typ.) |
85 ns (ext. trigger to T0 output) |
|
| External Trigger |
|
| Rate |
DC to 1/(1 µs + longest delay) |
| Threshold |
¡À2.56 VDC |
| Resolution |
10 mV |
| Slope |
Trigger on rising or falling edge |
| Impedance |
1 M¦¸ + 40 pF or 50 ¦¸ |
|
| 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 ¦¸ 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 |
¡À(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¡Á the front-panel outputs at 1kHz rep rate. Output level reduced by 2 V/mA of additional average output current. |
|
| Fast Rise Time (opt. O4A) |
|
| Output amplitude |
+0.5 to 2.0 VDC |
| Output offset |
-0.8 VDC (typ.) |
Transition time Rise (20/80 %) Fall (20/80 %) |
100 ps (max.) 2000 ps (max.)
|
Pulse aberrations Foot Ring |
4 % (typ.) ¡À5 % (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 %) Fall (20/80 %) |
2500 ps (max.) 100 ps (max.) |
Pulse aberrations Foot Ring |
4 % (typ.) ¡À5 % (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" ¡Á 4.75" ¡Á 14" (WHL) |
| 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 |