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 |