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:MEASure Commands 24

Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide 603

:MEASure:PERiod

(see page 1610)

Command Syntax

:MEASure:PERiod [<source>]

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

| WMEMory<r>}

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

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

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

<m> ::= 1 to (# math functions) in NR1 format

<r> ::= 1 to (# ref waveforms) in NR1 format

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 568

• ":MEASure:SOURce" on page 615

• ":MEASure:NWIDth" on page 599

• ":MEASure:PWIDth" on page 607

• ":MEASure:FREQuency" on page 595

Example Code • "Example Code" on page 616

NOTE

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

Keysight Technologies InfiniiVision 4000 X Series User Manual

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