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Agilent X-Series Signal Generators SCPI Command Reference 407

Real–Time Commands

Phase Noise Subsystem–Option 432 ([SOURce:RADio:PHASe:NOISe)

:F1

Supported N5172B/82B with Option 432

[:SOURce]:RADio:PHASe:NOISe:F1 <value><unit>

[:SOURce]:RADio:PHASe:NOISe:F1?

This command sets the start 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 :F2). If the value is set

greater than the stop frequency value, the signal generator resets the stop value to equal the start

value.

The actual value may vary logarithmically depending on the value of the stop frequency. This

behavior is more noticeable at higher frequency values. For more information, see the User’s Guide.

*RST +1.00000000E003

Range 0 Hz to 77.500524490 MHz

Key Entry Desired Start Freq (f1)

Key Path Mode > More 2 of 2 > Real-Time Phase Noise Impairment > Desired Start Freq (f1)

:F1:ACTual?

Supported N5172B/82B with Option 432

[:SOURce]:RADio: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.

:F2

Supported N5172B/82B with Option 432

[:SOURce]:RADio:PHASe:NOISe:F2 <value><unit>

[:SOURce]:RADio: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 :F1). 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 77.500524490 MHz

Key Entry Desired Stop Freq (f2)

Key Path Mode > More 2 of 2 > Real-Time Phase Noise Impairment > Desired Stop Freq (f2)

Agilent Technologies N5171B User Manual

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