Command Syntax

:SPRocessN:DFEQualizer:BANDwidth  <bandwidth>

<bandwidth> is a double.

Where N identifies one of up to 64 possible operators {1:64} that can be defined as part of a math function. The operators are numbered in the order that they were originally added to the function.

Query Syntax

:SPRocessN:DFEQualizer:BANDwidth?

Description

Specifies the bandwidth in Hertz of a Gaussian filter for the Decision Feedback Equalizer operator (DFE). The Gaussian filter defaults to the symbol rate but can be manually set up to 1 THz.

For Reference Rx operator, what function do I send this command to?

If the DFE equalizer is a secondary function to the Reference Rx operator, address the :SPRocess:DFEQualizer:BANDwidth command to the Reference Rx function as identified in the following Reference Rx Setup dialog's operator diagram. In the following figure, this would be Function 2 and the command would be:

:SPRocess2:DFEQualizer:BANDwidth

Example Command Sequence

:FUNCtion1:FOPerator DFEQualizer
:FUNCtion1:DISPlay ON
:FUNCtion1:COLor TCOLor9
:SPRocess1:DFEQualizer:TAPS:AUTo ON
:SPRocess1:DFEQualizer:TAPS:COUNt 5
:SPRocess1:DFEQualizer:TAPS:ULIMit 4.5E-1
:SPRocess1:DFEQualizer:TAPS:LLIMit -4.5E-1
:SPRocess1:DFEQualizer:CLKDelay 4.0E-12
:SPRocess1:DFEQualizer:BANDwidth:AUTo OFF
:SPRocess1:DFEQualizer:BANDwidth 1.0E+10
:SPRocess1:DFEQualizer:DTHReshold OFF