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182 53220A/53230A User’s Guide
5 Triggering and Gating
[SENSe:]GATE:STARt:DELay:SOURce {IMMediate|EVENts|TIME}
[SENSe:]GATE:STARt:DELay:SOURce?
(query form)
- delay source
IMMediate
disables the delay settings and no gate delay
occurs.
CONFigure
and
MEASure
do not change the delay source setting. Fol-
lowing a reset (
*RST
) or instrument preset (
SYSTem:PRESet
or
Preset
key),
delay source
IMMediate
is selected.
- delay source
EVENts
delays the gate start (open) until a specified number of
events (edges) as configured by the
INPut
subsystem occur on the input chan-
nel . For two-channel time interval measurements, delay events are counted
on the ‘start’ channel. For frequency ratio measurements, delay events are
counted on the ‘denominator’ channel.
The number of events is specified with the command:
[SENSe:]GATE:STARt:DELay:EVENts {<count>|MINimum|
MAXimum|DEFault}
[SENSe:]GATE:STARt:DELay:EVENts? (query form)
- delay source
TIME
delays the gate start (open) for a period set by the com-
mand:
[SENSe:]GATE:STARt:DELay:TIME {<time>|MINimum|MAXimum|
DEFault}
[SENSe:]GATE:STARt:DELay:TIME? (query form)
Advanced Gate Control - Gate Stop Hold Off and Gate Stop
Advanced gate control also includes (optionally) enabling a gate stop hold off
and setting the gate stop (close) parameters. Figure 5-9 repeats the gate stop
hold off and gate stop sections of the full trigger/gate cycle shown in Figure
5-2.