Agilent X-Series Signal Generators SCPI Command Reference 87
Basic Function Commands
Vector Modulation Subsystem—N5172B/82B ([:SOURce]:IQ)
:OUTPut:IMPairments:AWGN:POWer:NOISe:CHANnel
Supported N5172B with Option 653 or 655, N5182B with Option 656 or 657
[:SOURce]:IQ:OUTPut:IMPairments:AWGN:POWer:NOISe:CHANnel <value>
[:SOURce]:IQ:OUTPut:IMPairments:AWGN:POWer:NOISe:CHANnel?
Set the current channel noise power level if noise is on. In the "Channel Noise" control mode, the
total power will be adjusted to achieve the specified channel noise power and the channel noise
power level will be maintained regardless of changes to the other noise parameters. A change to the
total power will change the channel noise power setting appropriately to maintain the SNR.
In the other control modes, this will adjust the total power once for the specified channel noise
power level, after which the channel noise power could change if any noise parameters are adjusted.
The range varies based on the bounds of the total power that results from the noise settings.
*RST -110 dBm
Range Varies based on the bounds of the total power that results from the noise settings
Key Entry Noise Power In Channel
:OUTPut:IMPairments:AWGN:POWer:NOISe:TOTal
Supported N5172B with Option 653 or 655, N5182B with Option 656 or 657
[:SOURce]:IQ:OUTPut:IMPairments:AWGN:POWer:NOISe:TOTal <value>
[:SOURce]:IQ:OUTPut:IMPairments:AWGN:POWer:NOISe:TOTal?
Set the current channel noise power level if noise is on. In the "Channel Noise" control mode, the
total power will be adjusted to achieve the specified channel noise power and the channel noise
power level will be maintained regardless of changes to the other noise parameters. A change to the
total power will change the channel noise power setting appropriately to maintain the SNR.
In the other control modes, this will adjust the total power once for the specified channel noise
power level, after which the channel noise power could change if any noise parameters are adjusted.
The range varies based on the bounds of the total power that results from the noise settings.
*RST -169.03 dBm
Range Varies based on the bounds of the total power that results from the noise settings
Key Entry Total Noise Power
:OUTPut:IMPairments:AWGN:POWer:SIGNal
Supported N5172B with Option 653 or 655, N5182B with Option 656 or 657
[:SOURce]:IQ:OUTPut:IMPairments:AWGN:POWer:SIGNal <value>
[:SOURce]:IQ:OUTPut:IMPairments:AWGN:POWer:SIGNal?
Sets the current signal power level if noise is on. In the "Signal" control mode, the total power will
be adjusted to achieve the specified signal power and the signal power level will be maintained
regardless of changes to the other noise parameters. A change to the total power will change the
signal power setting appropriately to maintain the S/N ratio.
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