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Commands by Subsystem 5

Agilent InfiniiVision 5000 Series Oscilloscopes Programmer's Guide 287

:MEASure:PERiod

(see page 658)

Command Syntax

:MEASure:PERiod [<source>]

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

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

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

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

the period measurement. If the optional source parameter is specified, the

current source is modified.

Query Syntax

:MEASure:PERiod? [<source>]

The :MEASure:PERiod? query measures and outputs the period of the

cycle closest to the trigger reference on the screen. The period is measured

at the midpoint of the upper and lower thresholds.

IF the edge closest to the trigger reference on screen is rising:

THEN period = (time at trailing rising edge - time at leading rising edge)

ELSE period = (time at trailing falling edge - time at leading falling edge)

Return Format

<value> ::= waveform period in seconds in NR3 format

See Also • "Introduction to :MEASure Commands" on page 272

• ":MEASure:SOURce" on page 297

• ":MEASure:NWIDth" on page 284

• ":MEASure:PWIDth" on page 290

• ":MEASure:FREQuency" on page 283

Example Code • "Example Code" on page 297

NOTE

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

Agilent Technologies InfiniiVision 5000 Series Programmer's Guide

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