Agilent X-Series Signal Generators SCPI Command Reference 227
Analog Modulation Commands
Phase Modulation Subsystem–Option UNT ([:SOURce])
Phase Modulation Subsystem–Option UNT ([:SOURce])
:PM[1]|2:BANDwidth|BWIDth
Supported All Models with Option UNT
[:SOURce]:PM[1]|2:BANDwidth|BWIDth NORMal|HIGH
[:SOURce]:PM[1]|2:BANDwidth|BWIDth?
This command toggles between normal phase modulation and high- bandwidth phase modulation
mode.
*RST NORM
Key Entry FM M Normal High BW
:PM[1]|2:EXTernal[1]|2:COUPling
Supported All Models with Option UNT
[:SOURce]:PM[1]|2:EXTernal[1]|2:COUPling AC|DC
[:SOURce]:PM[1]|2:EXTernal[1]|2:COUPling?
This command sets the coupling for the phase modulation source through the selected external input
connector.
Use this command with the EXTernal[1]|2:DC command to remove the effects of DC and optimize the
DCFM calibration.
AC This choice will only pass ac signal components.
DC This choice will pass both ac and dc signal components.
*RST DC
Key Entry Ext Coupling DC AC
Remarks This command does not change the currently active source or switch the current
modulation on or off. The modulating signal may be the sum of several signals,
either internal or external sources.
:PM[1]|2:EXTernal[1]|2:IMPedance
Supported All Models with Option UNT
[:SOURce]:PM[1]|2:EXTernal[1]|2:IMPedance 50|600|1000000
[:SOURce]:PM[1]|2:EXTernal[1]|2:IMPedance?
This command sets the input impedance for the externally- applied phase- modulated input signal.
50 This choice selects 50 Ohm input impedance.
600 This choice selects 600 Ohm input impedance.
1000000 This choice selects 1 MOhm input impedance.
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