Agilent X-Series Signal Generators SCPI Command Reference 297
Arb Commands
Dual ARB Subsystem–N5172B/82B ([:SOURce]:RADio:ARB)
[:SOURce]:RADio:ARB:PHASe:NOISe[:STATe]?
This command turns the phase noise impairment on or off. For more information on the phase noise
impairment option, see the User’s Guide.
*RST 0
Key Entry Phase Noise Off On
:PHASe:NOISe:TRACe?
Supported N5172B/82B with Option 432
[:SOURce]:RADio:ARB:PHASe:NOISe:TRACe? <startFreq>,<stopFreq>,<numSamples>
This query returns the theoretical phase noise amplitude mask applied with the current settings if
the phase noise feature is on. This mask does not take the natural phase noise of the instrument into
account, only the impairment from the phase noise feature. The output is over the start frequency to
the stop frequency for the number of samples specified. The samples are taken at logarithmic
frequency steps and the output is in dBc/Hz.
:REGister[:STATus]
Supported N5172B/82B
[:SOURce]:RADio:ARB:REGister[:STATus]?
This query returns a weighted decimal value to indicate the status of the following Dual ARB
settings:
When the bit position is set high, the weighted position value equals 2
n
where n = bit position. When
the bit position is set low, the weighting equals zero. The sum of the weighted values indicates the
status of all monitored items.
Range <startFreq> 1 Hz to 100 MHz
<stopFreq> 1 Hz to 100 MHz
<numSamples> 1 to 8192
•
Dual ARB state (ARB)
• Triggering modes (ARM and Run)
• Multiple BBG synchronization (MBS1 and MBS2)
Weighting 00000051225600000421
Bit Position 1514131211109876543210
Status Item ——————MBS2MBS1—————RunARMARB
Table 5-1 Low and High Bit Position Description
ARB
0 Dual ARB is off
1Dual ARB is on
ARM
a
0 Trigger is not armed
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