GroupDelay

M9370A / M9371A / M9372A / M9374A / M9375A

Group Delay Aperture Commands


Controls the Aperture setting used to make Group Delay measurements.

CALCulate:GDELay

FREQuency

PERCent

POINts

Click on a keyword to view the command details.

See Also

Critical Note: CALCulate commands act on the selected measurement. You can select one measurement for each channel using Calc:Par:MNUM or Calc:Par:Select. Learn more.


CALCulate<cnum>:GDELay:FREQuency <value>

(Read-Write) Sets group delay aperture using a fixed frequency range.

See Critical Note

Parameters

 

<cnum>

Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1.

<value>

Frequency range (in Hz) to use for the aperture setting. Choose between the equivalent of two data points and the channel frequency span.

Examples

CALC:GDEL:FREQ 1E6

Query Syntax

CALCulate<cnum>:GDELay:FREQuency?

Return Type

Numeric

Default

Frequency range that equates to 11 points. This can be changed to two points with a preference setting.


CALCulate<cnum>:GDELay:PERCent <value>

(Read-Write) Sets group delay aperture using a percent of the channel frequency span.

See Critical Note

Parameters

 

<cnum>

Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1.

<value>

Percent of frequency span to use for the aperture setting. Choose between the equivalent of two data points and 100 percent of the channel frequency span.

Examples

'set to 25 percent of the channel frequency span

CALC:GDEL:PERC 25

Query Syntax

CALCulate<cnum>:GDELay:PERCent?

Return Type

Numeric

Default

Percent of frequency span that equates to 11 points. This can be changed to two points with a preference setting.


CALCulate<cnum>:GDELay:POINts <value>

(Read-Write) Sets group delay aperture using a fixed number of data points.

See Critical Note

Parameters

 

<cnum>

Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1.

<value>

Number of data points to  use for the aperture setting. Choose between two points and the number of points in the channel.

Examples

'set to 25 data points

CALC:GDEL:POIN 25

Query Syntax

CALCulate<cnum>:GDELay:POINts?

Return Type

Numeric

Default

11 points. This can be changed to two points with a preference setting.