Using External Analog Control
EXT-AC Mode
EXT-DC Mode
The analog interface board (option AC68BALGU) supports two external analog programming methods,
EXT-AC and EXT-DC. In EXT-AC mode the voltage of the output AC waveform (sine wave) is varied
according to the input DC signal. In EXT-DC mode the input waveform is simplify amplified and output.
You cannot set the voltage limit when the AC source is being controlled using external
analog signals. Accidentally applying an excessive external voltage may damage the
load.
Analog controls
Control Description
INPUT BNC terminal for applying the external signal. The input is electrically isolated from the output terminals of the AC
source.
ATT Input attenuator switch
GAIN Variable resistor for fine-adjusting the gain (voltage amplification ratio)
OFFSET Variable resistor for fine-adjusting the offset.
2îîUser Information
90 Keysight AC6800B Series Operating and Service Guide
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