Agilent Technologies ESG Specifikace stáhnout pdf (Strana 263)

Fully Coded 3GPP W-CDMA Personality User’s and Programming Guide 5-25

ESG Family Signal Generators Remote Programming and Examples

Option 200 W-CDMA Subsystem SCPI Command Reference

Filter

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer RNYQuist|NYQuist|GAUSsian|

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer?

This command selects one of the following filter types for the uplink configuration:

RNYQuist Root Nyquist

NYQuist Nyquist

GAUSsian Gaussian

RECTangle Rectangle

IS95 IS-95

IS95 IS-95 with equalizer

IS95_MOD IS-95 modified

IS95_MOD_EQ IS-95 modified with equalizer

AC4Fm APCO 25 C4FM

UGGausian UN3/4 delay compatible, 0.300 fixed BbT, GSM Gaussian

"<User FIR>" User defined FIR

*RST: RNYQuist

Filter Alpha (for Nyquist or Root Nyquist)

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer:ALPHa <0.000 to 1.000>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer:ALPHa?

This command changes the alpha value for the Nyquist or root Nyquist filter. The

pre-defined alpha value is 0.220. This command is effective only after a root Nyquist or

Nyquist filter is selected; it does not effect other types of filters.

Range: 0.000 to 1.000

Once set, this value is not affected by an instrument preset or by a power cycle.

Filter BbT (for Gaussian)

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer:BBT <0.000 to 1.000>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer:BBT?

This command changes the bandwidth-multiplied-by-bit-time filter parameter value for

the Gaussian filter. The pre-defined BbT is 0.500. This command is effective only after a

Gaussian filter is selected; it does not affect other types of filters.

Range: 0.000 to 1.000

Once set, this value is not affected by an instrument preset or by a power cycle.

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Agilent Technologies ESG Specifikace Strana 263