14-1
IM 253710-01E
External Trigger Output and Other Operations
14
Chapter 14 External Trigger Output and Other Operations
14.1 External Trigger Output
CAUTION
Do not apply an external voltage to the external trigger output connector. It may
damage the instrument.
Trigger output terminal
A CMOS level signal is output when a trigger occurs. The level is normally high, but
goes low when a trigger occurs.
EXT TRIG OUT
Specifications
Item
Specification
Connector type
BNC connector
Output level
CMOS
Output logic
(negative logic)
Output delay time
within (1
µ
s+1 sampling period)
Output hold time
200 ns or more at low level
Output Circuit Diagram/Timing Chart
Trigger output signal
220
Ω
+5 V
Trigger activated (time at the trigger position)
Trigger output signal
Internal trigger
Output hold time
Output delay time
Note
For the handling of the external trigger input, see section 7.2, “Selecting the Trigger Source.”