Agilent X-Series Signal Generators SCPI Command Reference 321
Arb Commands
Multitone Subsystem–N5172B/82B ([:SOURce]:RADio:MTONe:ARB)
:PHASe:NOISe:F1:ACTual?
Supported N5172B/82B with Option 432
[:SOURce]:RADio:MTONe:ARB:PHASe:NOISe:F1:ACTual?
This query returns the actual f1 in use with the current set of desired values. This value may vary if
the desired f2 value is changed, and may or may not vary when f1 is varied, based on the
capabilities of the hardware.
:PHASe:NOISe:F2
Supported N5172B/82B with Option 432
[:SOURce]:RADio:MTONe:ARB:PHASe:NOISe:F2 <value><unit>
[:SOURce]:RADio:MTONe:ARB:PHASe:NOISe:F2?
This command sets the stop frequency value of the flat area for the phase noise impairment.
Ensure that this value is less than or equal to the stop frequency value (see the :PHASe:NOISe:F1
command). If the value is set less than the start frequency value, the signal generator resets the start
value to equal the stop value.
The actual value may vary logarithmically, which is more noticeable at higher frequency offset values.
For more information, see the User’s Guide.
*RST +3.00000000E+004
Range 1 Hz to 77.50052449 MHz
Key Entry Desired Stop Freq (f2)
:PHASe:NOISe:F2:ACTual?
Supported N5172B/82B with Option 432
[:SOURce]:RADio:MTONe:ARB:PHASe:NOISe:F2:ACTual?
This query returns the actual f2 in use with the current set of desired values. This value may or may
not vary if the desired f2 value is changed, based on the capabilities of the hardware.
:PHASe:NOISe:LMID
Supported N5172B/82B with Option 432
[:SOURce]:RADio:MTONe:ARB:PHASe:NOISe:LMID <value>
[:SOURce]:RADio:MTONe:ARB:PHASe:NOISe:LMID?
This command sets the level amplitude of the flat area for the phase noise impairment. This phase
noise is added to the base phase noise of the signal generator.
The signal generator has an automatic DAC over- range protection feature that is always on for this
subsystem.
For more information on the phase noise impairment option, see the User’s Guide.
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