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88 U2761A User’s Guide
2 Features and Functions
Trigger Input Signal
Figure 2-29 Trigger input pulse
The device connector is used for Triggered Sweep Mode,
refer to “Sweep Trigger Source” on page 83. When the rising
or falling edge of the TTL pulse is received on the Trig In
connector, the U2761A outputs a single sweep, refer to
“External Triggering” on page 87.
Trigger Output Signal
A “trigger out” signal is provided on the device Trig Out
connector (used with sweep only). When enabled, a
TTL-compatible Square waveform with either a rising
(default) or falling edge is output to the device Trig Out
connector at the beginning of the sweep.
Figure 2-30 Trigger output pulse
Trigger in
Rising edge shown
Trigger out
Rising edge shown
> 500 μs