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20-3
Signal Processing Commands
LFEQualizer:BANDwidth
Example 10 OUTPUT 707;":SPROCESSING:LFEQUALIZER ON"
LFEQualizer:BANDwidth
Command :SPRocessing:LFEQualizer:BANDwidth <bandwidth_setting>
Sets or queries the bandwidth setting of the Linear Feedforward Equalizer application.
Before sending this command, set the bandwidth mode to CUSTom using the LFEQual-
izer:BWMode command.
Query :SPRocessing:LFEQualizer:BANDwidth?
Returned Format [:SPRocessing:LFEQualizer:BANDwidth] <bandwidth_setting><NL>
Example 10 OUTPUT 707;":SPROCESSING:LFEQUALIZER:BWMODE CUSTOM"
20 OUTPUT 707;":SPROCESSING:LFEQUALIZER:BANDWIDTH 12.5GHz"
LFEQualizer:BWMode
Command :SPRocessing:LFEQualizer:BWMode {TSBandwidth | TTDelay | CUSTom}
Sets or queries the bandwidth mode of the the Linear Feedforward Equalizer application.
TSBandwidth selects tracking the source bandwidth. TTDelay selects tracking of the tap
delay. CUSTom allows you to enter a bandwidth value using the LFEQualizer:BANDwidth
command.
Query :SPRocessing:LFEQualizer:BWMode?
Returned Format [:SPRocessing:LFEQualizer:BWMode] {TSBandwidth | TTDelay | CUSTom}<NL>
Example 10 OUTPUT 707;":SPROCESSING:LFEQUALIZER:BWMODE “TTDelay”"
LFEQualizer:FDELay
Command :SPRocessing:LFEQualizer:FDELay <delay_setting>
Sets or queries the filter delay setting of the Linear Feedforward Equalizer application. The
filter delay sets the zero-time reference and is specified in tap delay increments. The delay
value can be expressed to two significant digits between zero and one less than the number of
taps. For example, if the design used three taps, the delay value can be between 0.00 and
2.00.
Restrictions Software revision A.04.20 and above.
Query :SPRocessing:LFEQualizer:FDELay?
Returned Format [:SPRocessing:LFEQualizer:FDELay] <delay_setting><NL>
Example 10 OUTPUT 707;":SPROCESSING:LFEQUALIZER:FDELAY 1.50"
LFEQualizer:NTAPs
Command :SPRocessing:LFEQualizer:NTAPs <number>
Sets or queries the number of taps set for the Linear Feedforward Equalizer application.
Query :SPRocessing:LFEQualizer:NTAPs?
Returned Format [:SPRocessing:LFEQualizer:NTAPs] <number><NL>
Examples 10 OUTPUT 707;":SPROCESSING:LFEQUALIZER:NTAPS 4"