14-3
IM 701450-01E
14
Rear Panel Auxiliary I/O Section
14.2 Trigger Output
CAUTION
Never apply external voltage to the TRIG OUT terminal. Doing so can cause
damage to the DL7400.
Trigger Output Terminal
A TTL level signal is output when a trigger is activated. The signal level is normally high
and goes low when a trigger is activated.
Item Specifications
Connector type BNC
Output level TTL
Output logic (Negative)
Output delay time 50 ns or less
Output hold time 1 µs minimum for low level and 100 ns minimum for high level
TRIG OUT
Circuit Diagram of the Output Section
47 Ω
LS06
470 Ω
5 V 5 V
Output Timing
Trigger occurrence
50ns max
H
L
Trigger output
Trigger signal
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