Specifications |
Delays |
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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) |
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External Trigger |
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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 |
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Internal Rate Generator |
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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 |
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Outputs |
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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 at 1kHz rep rate. Output level reduced by 2 V/mA of additional average output current. |
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Fast Rise Time (opt. O4A) |
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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.)
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Pulse aberrations Foot Ring | 4 % (typ.) ±5 % (typ.) |
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Fast Fall Time (opt. O4B) |
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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.) ±5 % (typ.) |
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General |
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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" × 4.75" × 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 |