Agilent Technologies InfiniiVision 6000 Series Servisní příručka stáhnout pdf (Strana 336)

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336 Agilent InfiniiVision 6000 Series Oscilloscopes Programmer's Guide

5 Commands by Subsystem

:MEASure:NWIDth

(see page 798)

Command Syntax

:MEASure:NWIDth [<source>]

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

<digital channels> ::= DIGital0,..,DIGital15 for the MSO models

<n>::={1|2|3|4}forthefour channel oscilloscope models

<n> ::= {1 | 2} for the two channel oscilloscope models

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

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

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 324

• ":MEASure:SOURce" on page 349

• ":MEASure:PWIDth" on page 342

• ":MEASure:PERiod" on page 339

NOTE

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

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