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:MEASure Commands 20

Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide 429

:MEASure:NWIDth

(see page 1138)

Command Syntax

:MEASure:NWIDth [<source>]

<source> ::= {<digital channels> | CHANnel<n> | FUNCtion | MATH

| WMEMory<r>}

<digital channels> ::= DIGital<d> for the MSO models

<n> ::= 1 to (# of analog channels) in NR1 format

<r> ::= 1-2 in NR1 format

<d> ::= 0 to (# digital channels - 1) in NR1 format

The :MEASure:NWIDth command installs a screen measurement and starts

a negative pulse width measurement. If the optional source parameter is

not specified, the current source is modified.

Query Syntax

:MEASure:NWIDth? [<source>]

The :MEASure:NWIDth? query measures and outputs the width of the

negative pulse on the screen closest to the trigger reference using the

midpoint between the upper and lower thresholds.

FOR the negative pulse closest to the trigger point:

width = (time at trailing rising edge - time at leading falling edge)

Return Format

<value> ::= negative pulse width in seconds in NR3 format

See Also • "Introduction to :MEASure Commands" on page 406

• ":MEASure:SOURce" on page 444

• ":MEASure:PWIDth" on page 437

• ":MEASure:PERiod" on page 433

NOTE

This command is not available if the source is FFT (Fast Fourier Transform).

Agilent Technologies InfiniiVision 3000 X-Series Programmer's Guide

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