14-4
IM 701730-01E
14.2 Trigger Output (TRIG OUT)
CAUTION
Never apply external voltage to the TRIG OUT terminal. Doing so can cause
damage to the instrument.
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
Description
Connector type
BNC
Output level
TTL
Output logic
(Negative)
Output delay time
50 ns or less
Output hold time
1
µ
s minimum for low level and 100 ns minimum for high level
[Input terminal]
EXT CLOCK IN
EXT TRIG IN
TRIG GATE IN
40Vpk 1M
GO/
NO-GO
TRIG OUT
(TTL )
PROBE POWER ( 12V DC )
A
B
C
<
_
For the DL1735E/DL1740E/
DL1740EL
For the DL17420E
GO/
NO-GO
TRIG OUT
(TTL )
PROBE POWER ( 12V DC )
A
B
Circuit Diagram of the Output Section
47
Ω
LS06
470
Ω
5 V
5 V
Output Timing
Trigger activates
50 ns max
H
L
Trigger output
Trigger signal