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

20 :MEASure Commands

:MEASure:DUTYcycle

(see page 1138)

Command Syntax

:MEASure:DUTYcycle [<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:DUTYcycle command installs a screen measurement and

starts a duty cycle measurement on the current :MEASure:SOURce. If the

optional source parameter is specified, the current source is modified.

Query Syntax

:MEASure:DUTYcycle? [<source>]

The :MEASure:DUTYcycle? query measures and outputs the duty cycle of

the signal specified by the :MEASure:SOURce command. The value

returned for the duty cycle is the ratio of the positive pulse width to the

period. The positive pulse width and the period of the specified signal are

measured, then the duty cycle is calculated with the following formula:

duty cycle = (+pulse width/period)*100

Return Format

<value> ::= ratio of positive pulse width to period in NR3 format

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

• ":MEASure:PERiod" on page 433

• ":MEASure:PWIDth" on page 437

• ":MEASure:SOURce" on page 444

Example Code • "Example Code" on page 445

NOTE

The signal must be displayed to make the measurement. 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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