:NETWorks:TRACe:THReshold:RFALl:BASE

:NETWorks:TRACe Threshold Commands

Command Syntax

:NETWorks:TRACeN:THReshold:RFALl:BASE<amplitude>

<amplitude> is a double.

Where N identifies a specific trace and must be selected from 1 to 128 {1:128}.

Query Syntax

:NETWorks:TRACe{1:128}:THReshold:RFALl:BASE?

Description

For the indicated S-parameter trace, sets or queries the Rise/Fall threshold's custom base-level setting. The top and base levels are used to locate a waveform's lower and upper threshold levels during measurements.

Specify the level in the units shown in the following table, depending on the waveform type.

Units Used for Displayed Content Window Graphs
Content Window Graphs Y-Axis
Units
S-Parameters
Freq-Mag Decibels
Phase Degrees
GrpDelay Seconds

Use :NETWorks:TRACe:THReshold:RFALl:TOP to set or query a custom top level.

Before this custom base level can be applied to measurements, use the :MEASure:TBASe:RFALl:METHod command to select custom top-base definitions. On the front panel, you can choose Measure > Thresholds... and in the Thresholds tab, and Rise/Fall subtab of the Configure Measurements dialog box, set the signal's Top-Base Definition.