MEASure:NWIDth?
Syntax
MEASure:NWIDth? [{<reference> | MINimum | MAXimum | DEFault}] [,<channel>]
Description
This query sets all measurement parameters and trigger parameters to default values for negative pulse
width measurements, then immediately triggers a measurement. The results are sent directly to the instru-
ment output buffer.
Parameters
Name Type Range of Values Default Value
<reference> Numeric 10 to 90 PCT (percent)
-5.125 to +5.125 V (5.125V range)
-51.25 to +51.25 V (51.25V range)
MIN = 10 PCT
MAX = 90 PCT
50 PCT
<channel> Expression (@1) | (@2) (@1)
Remarks
l The <reference> parameter specifies the input signal reference level, either in terms of percent of peak-
to-peak voltage, or in absolute voltage. To specify the level in percent, use a numeric value with no suf-
fix or with the PCT suffix; for example, 30 or 30 PCT. To specify the level in absolute voltage, use a
numeric value with the V or MV (millivolt) suffix: 100 MV or .1V.
l When the <reference> is omitted or specified in percent, auto-leveling is enabled. When specified in
absolute voltage, auto-leveling is disabled.
Because this command enables auto-leveling if the reference value is omitted or spe-
cified in percent, you should specify the reference value in terms of absolute voltage if
the input frequency is lower than the minimum input signal frequency for auto-leveling
(see SYSTem:ALEVel:FREQuency command).
Return Format
The query returns a single measurement. The format of the measurement is controlled by the FORMat
Subsystem commands.
Examples
The following example configures the instrument for pulse width measurements on channel 1 using
default parameters, makes one measurement, and then transfers the measurement to the instrument
MEASure:NWIDth?
258 Keysight 53220A/53230A Programmer's Reference
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