12-1
12
IM 701830-01E
External Trigger Input/Output,
Video Signal Output
12.1 External Trigger Input (TRIG IN)
CAUTION
Never input any signals which do not meet the following specifications, otherwise
damage to the instrument may result due to an excessive voltage.
EXT TRIG IN terminal
TRIG IN
This terminal is used when an external signal is used as the trigger source. (Refer to page 6-2.)
Specifications
Connector type
: BNC
Input level
: TTL (0 to 5 V)
Minimum pulse width : 500 ns
Logic
: Rising edge, falling edge, rising/falling edge
Trigger delay time
: Within (1
µ
s + 1 sample period)
Input circuit Diagram/ Timing Chart
Minimum
pulse width
Trigger delay time
Internal trigger
TRIG IN
(
)
LCX14
100
Ω
+5V
Note
By using the trigger output function, two units of DL716 can be operated synchronously.
TRIG
OUT
No.1
No.2
TRIG
IN
Chapter 12 External Trigger Input/Output, Video Signal Output
