Specifies the reference power used for AM to AM and AM to PM traces.

You do not need to use a selector string to configure or read this property for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals.

The default value is Input.

Remarks

The following table lists the characteristics of this property.

Short Name AMPM Ref Pwr Type
Data type ci32.png
Permissions Read/Write
High-level VIs N/A
Resettable Yes
Input 0

The instantaneous powers at the input port of device under test (DUT) forms the x-axis of AM to AM and AM to PM traces.
Output 1

The instantaneous powers at the output port of DUT forms the x-axis of AM to AM and AM to PM traces.