Triggering and Gating 5
Keysight 53210A User’s Guide 141
A typical measurement using this configuration might return:
+5.00010899135045E-009
With the counter display registering:
5.000 109nsec (7 digits)
Querying the gate time after sending this command returns:
SENS:FREQ:GATE:TIME?
+1.00000000000000E-003 (1 ms)
Again using Table 5-2, if a resolution of 7-digits is required the corresponding
gate time can be located and sent directly as:
SENS:FREQ:GATE:TIME 1e-3 // set gate time = 1 ms
External Gate Sources
Gate sources
EXTernal and INPut[1] are external sources. EXTernal is the
counter’s rear panel ‘Gate In/Out’ BNC, and
INPut[1]is the counter’s channel 1
input (front or rear panel - Opt. 201). Note that the
INPut[1] source is only
available when channel 2 is installed (Option 106 or 115) and is the measurement
channel.
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