-466 Keysight E4980A/AL User’s Guide
Handler Interface
Specifications
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Specifications
Output Signals
Active low, open collector, photo isolation
Input Signals
Photo isolation
Table E-1 Output Signals
Signal Overview
Result output — Comparator
Bin number, OUT OF BINS, status signal
— List sweep comparator
Results of sweep-by-sweep IN/OUT test and
continuous comparison
/INDEX “End of analog measurement” signal
/EOM “End of all measurement” signal
/ALARM Provides an alarm when an instantaneous power failure has
been detected or the handler interface board has been
reset.
/READY_FOR_TRIGGER “Ready for trigger” signal
Table E-2 Input Signals
Signal Overview
/KEY_LOCK Key lock (locks out the front panel keyboard)
/EXT_TRIG External trigger signal, pulse width ≥ 1 s
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