338 Agilent X-Series Signal Generators SCPI Command Reference
Arb Commands
Two Tone Subsystem–N5172B/82B ([:SOURce]:RADio:TTONe:ARB)
:NOISe:POWer:NOISe:TOTal
Supported N5172B/82B with Option 403
[:SOURce]:RADio:TTONe:ARB:NOISe:POWer:NOISe:TOTal <totalNoisePowerInDbm>
[:SOURce]:RADio:TTONe:ARB:NOISe:POWer:NOISe:TOTal?
This command sets the current total noise power level if noise is on.
In the NOISe control mode, the total power will be adjusted to achieve the specified total noise
power and the total noise power level will be maintained regardless of changes to the other noise
parameters. A change to the total power will change the total noise power setting appropriately to
maintain the C/N ratio.
In the TOTal control mode, this will adjust the total power once for the specified total noise power
level, after which the total noise power could change if any noise parameters are adjusted or the
total power is adjusted.
In the CARRier control mode, this will adjust the carrier power once for the specified total noise
power level, after which the total noise power could change if any noise parameters are adjusted or
the carrier power is adjusted. See also :NOISe:POWer:CONTrol[:MODE] command.
Range The range varies based on the bounds of the total power that results from the
noise settings.
Default The appropriate value given the current total power and the current Carrier to
Noise (C/N).
Key Entry Total Noise Power
:NOISe[:STATe]
Supported N5172B/82B with Option 403
[:SOURce]:RADio:TTONe:ARB:NOISe[:STATe] ON|OFF|1|0
[:SOURce]:RADio:TTONe:ARB:NOISe[:STATe]?
This command enables the Two- Tone modulation mode.
To configure the AWGN, refer to the following sections located in the Two Tone subsystem:
• To set the AWGN noise bandwidth, refer to “:NOISe:BANDwidth” on page 333.
• To set the bandwidth over which the noise power is integrated for calculating the carrier to noise
ratio, refer to“:NOISe:CBWidth” on page 334.
• To set the carrier to noise ratio as the active function, refer to “:NOISe:CN” on page 335.
*RST Off
Key Entry Real-Time AWGN Off On
:PHASe:NOISe:F1
Supported N5172B/82B with Option 432
[:SOURce]:RADio:TTONe:ARB:PHASe:NOISe:F1 <value><unit>
[:SOURce]:RADio:TTONe:ARB:PHASe:NOISe:F1?
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