
Programming Guide 4-25
ESG Family Signal Generators Softkey/Command Cross-Reference
Agilent 8656/57-Compatible Language
FM (Frequency Modulation)
• FM becomes the active function.
• FM1 and FM2 deviation values are coupled with
[:SOURce]:FM[1]|2[:DEViation]:TRACk ON.
• If FM was already on, or no modulation was on, the following sequences of SCPI
commands are implemented when an FM command is sent with a modulation source
command:
• If AM or pulse modulation was already on, the signal generator attempts to set up FM
with the same settings. In addition, the following commands are mapped:
P0 (Digital Modulation Off)
This command turns off digital modulation (for 8657D/J-compatibility only.) The P0
command is mapped to the following SCPI command:
[:SOURce]:DM:STATe OFF
FM Already On No Modulation Already On
S1 [:SOURce]:FM2:EXTernal[1]
:COUPling AC
[:SOURce]:FM2:SOURce EXTernal1
[:SOURce]:FM2:EXTernal[1]
:COUPling AC
[:SOURce]:FM2:SOURce EXTernal1
[:SOURce]:FM2:STATe ON
S2 [:SOURce]:FM[1]:SOURce INT[1]
[:SOURce]:FM[1]:INTernal[1]
:FREQuency 400 Hz
[:SOURce]:FM[1]:SOURce INT[1]
[:SOURce]:FM[1]:INTernal[1]
:FREQuency 400 Hz
[:SOURce]:FM[1]:STATe ON
S3 [:SOURce]:FM[1]:SOURce INT[1]
[:SOURce]:FM[1]:INTernal[1]
:FREQuency 1 kHz
[:SOURce]:FM[1]:SOURce INT[1]
[:SOURce]:FM[1]:INTernal[1]
:FREQuency 1 kHz
[:SOURce]:FM[1]:STATe ON
AM1 Already On AM2 or Pulse Already On
S1, S2, or S3 [:SOURce]:FM[1]:SOURce INT[1]
[:SOURce]:FM[1]:STATe ON
[:SOURce]:AM[1]:STATe OFF
[:SOURce]:FM2
:SOURce EXTernal1
[:SOURce]:FM2:STATe ON
[:SOURce]:AM2:STATe OFF
[:SOURce]:PULM:STATe OFF
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