CompuScope 1610C
149
CompuScope 1610C Trigger Output
A Trigger signal is used to synchronize different parts of a measurement system to the same event.
CompuScope 1610C provides a TTL output on one of the front panel connectors. The rising edge of this output
signifies that a trigger event has been detected on the CompuScope 1610C.
For best results, this output should be terminated with a 50
Ω
load capable of absorbing 0.5 Watt power.
It should be noted that this output is synchronized to the sampling clock of the CompuScope 1610C.
Consequently, if the trigger event is asynchronous to the sampling clock, Trigger Out signal will only be
activated after the subsequent rising edge of the sampling clock.
Figure 87: Trigger Out signal vs. sampling clock
If an External Clock is being used, Trigger Out signal will have a 2 external clock cycle uncertainty relative to
trigger input.
Finally, note that there is no output short protection on this signal, so care should be taken in not interfacing it to
any output, be it Ground or any other voltage.
Содержание CompuScope 14100C
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