Command Syntax

:SPRocessN:FFEQualizer:TSPacing {TPUI | SEConds}

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:FFEQualizer:TTSPacing?

Description

Specifies tap spacing in taps-per-UI (Unit Interval) or in seconds Linear Equalizer operator (LFE).

TPUI

Tap spacing in taps-per-UI. Use the :SPRocess:FFEQualizer:TSPacing:TPUI command to enter the actual tap spacing. This selection is available in both automatic and manual tap configuration mode.

SEConds

Tap spacing in seconds. Use the :SPRocess:FFEQualizer:TSPacing:TIMe command to enter the actual tap spacing in seconds. This selection is not valid in automatic tap configuration mode (:SPRocess:FFEQualizer:TAPS:AUTo ON).

TPBit (deprecated)

Tap spacing in taps-per-bit. For new programs, use the TPUI argument instead. Use the :SPRocess:FFEQualizer:TSPacing:TPBit command to enter the actual tap spacing. This selection is available in both automatic and manual tap configuration mode.

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

If the FFE (Linear Equalizer) equalizer is a secondary function to the Reference Rx operator, address the :SPRocess:FFEQualizer:TSPacing 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:FFEQualizer:TSPacing

Example Command Sequence

:FUNCtion2:FOPerator FFEQualizer
:SPRocess2:FFEQualizer:TAPS:AUTo OFF
:SPRocess3:FFEQualizer:TAPS "-4.0733E-2, 1.04365, 3.851E-3, -3.782E-3, -7.04E-4"
:SPRocess3:FFEQualizer:TAPS:NORMalize
:SPRocess2:FFEQualizer:TSPacing SEConds
:SPRocess2:FFEQualizer:TSPacing:TIMe 51.0E-12
:SPRocess2:FFEQualizer:BANDwidth:AUTo OFF
:SPRocess2:FFEQualizer:BANDwidth 8.0E9
:FUNCtion2:COLor TCOLor4
:FUNCtion2:DISPlay ON
*OPC?
…  //  Your code to synchronize execution timing.