128 Agilent N5181A/82A MXG Signal Generators SCPI Command Reference
Analog Modulation Commands
Phase Modulation Subsystem–Option UNT ([:SOURce])
:PM:INTernal:FREQuency:STEP[:INCRement]
Supported All Models with Option UNT
[:SOURce]:PM:INTernal:FREQuency:STEP[:INCRement] <num>
[:SOURce]:PM:INTernal:FREQuency:STEP[:INCRement]?
This command sets the step increment of the phase modulation internal frequency.
The variable <num> sets the entered value in units of Hertz.
Range 0.5–1E6
Key Entry Incr Set
Remarks The value set by this command is used with the UP and DOWN choices for the FM
frequency command. Refer to “:PM:INTernal:FREQuency” on page 127 for more
information.
The setting enabled by this command is not affected by signal generator power- on,
preset, or *RST.
:PM:INTernal:FUNCtion:SHAPe
Supported All Models with Option UNT
[:SOURce]:PM:INTernal:FUNCtion:SHAPe SINE
[:SOURce]:PM:INTernal:FUNCtion:SHAPe?
This command sets the phase modulation waveform type.
*RST SINE
:PM:SOURce
Supported All Models with Option UNT
[:SOURce]:PM:SOURce INT|EXT
[:SOURce]:PM:SOURce?
This command sets the source to generate the phase modulation.
INT This choice selects internal source 1 to provide an ac- coupled signal.
EXT This choice selects the FM rear panel connector to provide an externally applied
signal that can be ac- or dc- coupled.
*RST INT
Remarks The externally applied, ac- coupled input signal is tested for a voltage level and a
display annunciator will report a high or low condition if that voltage is > ±3% of
1V
p
.
Key Entry ΦM Rate
Key Entry Internal 1 Ext1
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