Operating Manual Vol 1 - ES Documentation

SMIQDigital Modulation(FILTER...) FILTER TYPE Opens a window for selecting a type of filter. Thefollowing filters can be selected:SQR_COS Square Root RaisedCosineIEC :SOUR:DM:FILT:TYPE SCOSCOS CosineIEC :SOUR:DM:FILT:TYPE COSGAUSS Gaussian filterIEC :SOUR:DM:FILT:TYPE GAUSGAUSSLINEAR Linearized Gaussian filter forGSM_EDGE.IEC :SOUR:DM:FILT:TYPE LGABESSEL Bessel filter with B×T = 1.25 or 2.5IEC :SOUR:DM:FILT:TYPE BESS1IS95 Filter for CDMA mobile stationaccording to Interim Standard 95IEC :SOUR:DM:FILT:TYPE IS95IS95 EQUAL Filter for CDMA base station withequalizer according to IS-95IEC :SOUR:DM:FILT:TYPE EIS95APCO C4FM Cosine filter with si(x)-compensationaccording to APCO25 standard for4FSK modulation.IEC :SOUR:DM:FILT:TYPE APCOTETRA Filter for PSK/QAM modulation.IEC :SOUR:DM:FILT:TYPE TETRWCDMA0.22 Filter for PSK modulation. Square RootRaised Cosine filter with Roll Off =0.22, optimized for W-CDMAIEC :SOUR:DM:FILT:TYPE WCDMRECTANGLE Filter with a rectangular impulseanswer of 1 symbol length.IEC :SOUR:DM:FILT:TYPE RECTSPLIT PHASE Filter for ASK modulationIEC :SOUR:DM:FILT:TYPE SPHUSER User defined filter. The lists can begenerated via :DM:FLISt:SEL andfilled via :DM:FLISt:DATA.IEC :SOUR:DM:FILT:TYPE USERFILTER PARAMETER Opens a window for setting the filter parameter. Theselection depends on the selected filter type:ParameterFilter TypeRoll-off factor SQR COS, COS, or APCO:Normalizedband width B×T Symb GAUSS .IEC/IEEE-bus :SOUR:DM:FILT:PAR 0.2FILTER MODESelection of filter mode.LOW_ACP Filter for minimum Adjacent ChannelPowerIEEE :SOUR:DM:FILT:MODE LACPLOW_EVM Filter for minimum vector errorIEEE :SOUR:DM:FILT:MODE LEVM1125.5555.03 2.107E-9