Triggering and Gating 5
Keysight 53220A/53230A User’s Guide 187
The method of gate control is set with the command:
[SENSe:]FREQuency:BURSt:GATE:AUTO {OFF|ON}
[SENSe:]FREQuency:BURSt:GATE:AUTO? (query form)
–when ON, the gate time and delay are automatically configured based on the
characteristics of the pulse signal. Following a reset (*RST) or instrument
preset (SYSTem:PRESet or Preset key), automatic gate control is enabled
(ON).
When OFF, the gate time and delay are set manually using the commands:
[SENSe:]FREQuency:BURSt:GATE:TIME {<time>|MINimum|
MAXimum|DEFault}
[SENSe:]FREQuency:BURSt:GATE:TIME? [{MINimum|MAXimum|DEFault}]
(query form)
[SENSe:]FREQuency:BURSt:GATE:DELay {<delay>|MINimum|
MAXimum DEFault}
[SENSe:]FREQuency:BURSt:GATE:DELay? [{MINimum|MAXimum|DEFault}]
(query form)
– time sets the gate time for measuring the pulse burst carrier frequency. For
accurate results, the gate window (open/close) must be within the threshold
detector’s (-6 dB, -12 dB) sensitivity range. The range for time is 1 μs to 100s
with 10 ns resolution.
Following a reset (*RST) or instrument preset (SYSTem:PRESet or Preset key), the
gate time is set to 1 μs.
– delay sets the gate delay at the start of the measurement. The delay starts
when the input level reaches the detector threshold (-6 dB, -12 dB) set by the
INPut3:BURSt:LEVel command. The delay range is 0 s to 10 s, with 10 ns
resolution.
Following a reset (*RST) or instrument preset (SYSTem:PRESet or Preset key), the
delay is set to 0.0 s.
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