HP 1660 Series User Manual

To test the auxiliary power
The +5 V auxiliary power is protected by a current overload protection device. If the current
on pins 1 and 39 exceed 0.33 amps, the circuit will open. When the short is removed, the
circuit will reset in approximately 1 minute. There should be +5 V after the 1 minute reset
time.
Equipment Required
Equipment Critical Specifications Recommended
Model/Part
Digital Multimeter 0.1 mV resolution, better
than 0.005% accuracy
HP 3478A
• Using the multimeter, verify the +5 V on pins 1 and 39 of the probe cables.
Troubleshooting
To test the auxiliary power
5–33

HP 1660 Series Specifications

General

Category	Logic Analyzer
Glitch Trigger	Yes
Pattern Trigger	Yes
State Analysis	Yes
Transitional Timing	Yes
Trigger Modes	Edge, Pattern, Glitch