Operator's Manual
Using External Trigger
The back-panel
Ext Trig/Gate/FSK/Burst connector
is a multi-purpose input used to accept the External
Source for several modes.
Triggered Sweep Mode
If using External Source to trigger a
Sweep wave
, the instrument outputs a single sweep when an edge of the
correct polarity is received on the Ext Trig connector.
Triggered N-Cycle Burst Mode
If using External Source to trigger a
Burst
wave, the instrument outputs a waveform with specified number of
cycles (burst count) each time a trigger is received on the Ext Trig connector.
Externally Gated Burst Mode
If using External Source for a
Gated Burst
wave, the instrument outputs a continuous waveform when the Gate
signal is true. When the external Gate signal goes false, the current waveform cycle completes, then the
instrument stops while remaining at a voltage level corresponding to the starting burst phase. For Noise
waveforms, output stops as soon as the Gate signal goes false.
Externally Modulated FSK Mode
If using External Source for an
FSK modulated wave
, the carrier frequency is output when a logic low level is
present on the FSK connector. When a logic high level is present, hop frequency is output. Maximum external
FSK rate is 100 kHz.
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