External
trigger
Input R & C ~ 1 Meg Ω and 12 pF, compatible with HP 1007X
probes.
Maximum Input ± 40 V peak.
Trigger Threshold ± 6 volts, settable in 50-mV increments.
Threshold Accuracy
1
± 100 mV or 6% of setting, whichever is greater.
Minimum Input Change 200 mV pp.
Minimum Pulse Width 20 ns.
Trigger
Output
Output is a rising edge at the trigger point.
Output Level 0 to ≥ 2.0V into 50 Ω
0 to ≥ 4.8V open circuit.
Delay, data in to
trigger out
~ 85 ns.
Jitter ± Sample period + 10 ppm.
Maximum Output Rate ≅ 2 kHz (HP 54620A), ≅ 1.5 kHz (HP 54620C) with the
analyzer stopped, 20/sec running.
1
Performance specification, tested by threshold test. See Chapter 5, “Testing, Adjusting, and Troubleshooting
the Analyzer.”
Performance Characteristics
201
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