3 53220A/53230A Measurements
110 Keysight 53220A/53230A User’s Guide
The commands used to make positive and negative pulse width measurements
are:
MEASure:PWIDth? [{<reference>|MINimum|MAXimum|DEFault}] [,<channel>]
CONFigure:PWIDth [{<reference>|MINimum|MAXimum|DEFault}] [,<channel>]
MEASure:NWIDth? [{<reference>|MINimum|MAXimum|DEFault}] [,<channel>]
CONFigure:NWIDth [{<reference>|MINimum|MAXimum|DEFault}] [,<channel>]
– reference specifies the threshold level where the width measurement begins.
For positive width measurements, the level at which the signal passes through
the threshold in the positive (rising) direction and again in the negative (falling
direction) defines the positive width. Similarly, the level at which the signal
passes through the threshold in the negative (falling) direction and again in the
positive (rising) direction defines the negative width.
To specify a threshold level from 10% to 90% of the peak-to-peak input voltage,
use a numeric value with no suffix or with the suffix PCT (e.g. 30 or 30 PCT).
To specify a threshold level in absolute voltage within the ranges:
5.125V range: -5.125V to +5.125V
51.25V range: -51.25V to +51.25V
use a numeric value with the V or MV (millivolt) suffix: 100 MV or .1V (spaces
allowed).
If reference is omitted or specified in percent, auto-leveling is enabled. If
specified in absolute voltage, auto-leveling is disabled
– channel is counter channel 1 or 2 specified as (@1) or (@2).
Positive and negative pulse width measurement examples
// using MEASure? - measure positive width at a 50% (0V)
// reference
*RST // reset to start from known state
MEAS:PWID? 50, (@1)
// using CONFigure - measure positive width at a 1.0V
// reference
*RST // reset to start from known state
CONF:PWID 1.0V, (@1)
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