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Measurement Operations & Settings Signal Generation – The SOURce Subsystem
120 Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition
command:
[:SOURce[n]][:CHANnel[m]]:FM:SBSCtrl:FREQuency[l]
syntax: [:SOURce[n]][:CHANnel[m]]:FM:SBSCtrl:FREQuency[l]<wsp><frequency>
[MHZ|KHZ|HZ|MIN|MAX|DEF]
description: Sets the frequency of the SBS Control modulation.
Enable frequency modulation before issuing this command.
Refer to “[:SOURce[n]][:CHANnel[m]]:FM:SOURce[l]” on page 118 and
“[:SOURce[n]][:CHANnel[m]]:FM:STATe[l]” on page 119.
parameters: The modulation frequency as a float value.
The default units are HZ, although KHZ, MHZ, GHZ and THZ can also be specified.
Also allowed are: MIN: minimum programmable value
MAX: maximum programmable value
DEF: default preset (*RST) value.
response: none
example: sour2:fm:sbsc:freq 4000Hz
affects: Agilent 81980A, 81940A, 81989A, 81949A compact tunable lasers.
command:
[:SOURce[n]][:CHANnel[m]]:FM:SBSCtrl:FREQuency[l]?
syntax: [:SOURce[n]][:CHANnel[m]]:FM:SBSCtrl:FREQuency[l]?<wsp>[MIN|MAX|DEF]
description: Queries the currently set frequency of the SBS Control modulation.
parameters: Optional MIN: returns the minimum programmable value
MAX: returns the maximum programmable value
DEF: returns the default preset (*RST) value.
response: The modulation frequency in Hz as a float value
example: sour2:fm:freq? → +4.00000E+03<END>
affects: Agilent 81980A, 81940A, 81989A, 81949A compact tunable lasers.
command:
[:SOURce[n]][:CHANnel[m]]:FM:SBSCtrl:LEVel[l]
syntax: [:SOURce[n]][:CHANnel[m]]:FM:SBSCtrl:LEVel[l]<wsp>[MIN|MAX|DEF]
description: Sets the excursion of the SBS Control frequency modulation to a percentage of its maximum
value.
parameters: The excursion level as a percentage of its maximum value.
Also allowed: MIN: minimum programmable value (0%)
MAX: maximum programmable value (100%)
DEF: default preset (*RST) value.
response: none
example: sour2:fm:sbsc:lev 80
affects: Agilent 81980A, 81940A, 81989A, 81949A compact tunable lasers.