5 Triggering and Gating
164 Keysight 53220A/53230A User’s Guide
System trigger count
The number of system triggers the counter will receive before returning to the idle
state from the wait-for-trigger state is set with the command:
TRIGger:COUNt {<count>|MINimum|MAXImum|DEFault}
TRIGger:COUNt? [{MINimum|MAXimum|DEFault}] (query form)
The trigger count range is 1 to 1,000,000. CONFigure and MEASure set a default
trigger count of ‘1’.
Trigger count example
//configure for frequency, set system trigger parameters
CONF:FREQ 5E6,0.1,(@2)
TRIG:SOUR EXT // trigger source external
TRIG:SLOP POS // external trigger slope - positive
TRIG:DEL 1 // 1s delay after trigger received
TRIG:COUN 2 // accept 2 system triggers
Sample count
The trigger count multiplied by the sample count (TRIG:COUN x SAMP:COUN)
determines the number of readings taken before the counter returns to the idle
state. The sample count is set with the command:
SAMPle:COUNt {<count>| MINimum|MAXImum|DEFault}
SAMPle:COUNt? [{MINimum|MAXimum|DEFault}] (query form)
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