250 Agilent X-Series Signal Generators SCPI Command Reference
Arb Commands
Dmodulation Subsystem–N5172B/82B with Option 431 ([:SOURce]:RADio:DMODulation:ARB)
Remarks To change the current filter type, refer to “:FILTer” on page 248.
:FILTer:BBT
Supported N5172B/82B with Option 431
[:SOURce]:RADio:DMODulation:ARB:FILTer:BBT <val>
[:SOURce]:RADio:DMODulation:ARB:FILTer:BBT?
This command changes the bandwidth–multiplied–by–bit–time (BbT) filter parameter.
The filter BbT value can be set to the minimum level (0.1), the maximum level (1), or in between by
using fractional numeric values (0.100 to 0.999).
*RST +5.00000000E001
Range 0.100 to 1.000
Key Entry Filter BbT
Remarks This command is effective only after choosing a Gaussian filter. It does not have
an effect on other types of filters.
To change the current filter type, refer to “:FILTer” on page 248.
:FILTer:CHANnel
Supported N5172B/82B with Option 431
[:SOURce]:RADio:DMODulation:ARB:FILTer:CHANnel EVM|ACP
[:SOURce]:RADio:DMODulation:ARB:FILTer:CHANnel?
This command optimizes the Nyquist and Root Nyquist filters to minimize error vector magnitude
(EVM) or to minimize adjacent channel power (ACP).
EVM This choice provides the most ideal passband.
ACP This choice improves stopband rejection.
*RST EVM
Key Entry Optimize FIR For EVM ACP
Remarks To change the current filter type, refer to “:FILTer” on page 248.
:HEADer:CLEar
Supported N5172B/82B with Option 431
[:SOURce]:RADio:DMODulation:ARB:HEADer:CLEar
This command clears the header information from the file header used by this modulation format.
Key Entry Clear Header
Remarks The Digital Modulation Off On softkey must be set to On for this command to function.
:HEADer:SAVE
Supported N5172B/82B with Option 431
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