External Mixer - Agilent Technologies X Series Manual

Preset
Backwards Compatibility SCPI
Backwards Compatibility SCPI
Notes

External Mixer

The key allows you to choose an External Mixer through which to apply signal input to
External Mixer
the analyzer. When External Mixer
External Mixing requires option EXM. The External Mixer key will not appear unless option EXM is
installed. The presence of the LO/IF connector alone does not indicate that you have Option EXM
licensed; you can verify that option EXM is installed by pressing
When External Mixer is selected, the
mixing, which is separate from the settings of
its unique settings for Center Freq
Center Freq (see the
Center Freq
sending the generic Center Freq command while External Mixer is selected also controls the External
Mixer CF.
See "More Information" on page 400
Key Path
Example
Notes
Dependencies
Preset
State Saved
Readback Text
Initial S/W Revision
It is set to Off when mode selected is SA. If mode is EMI Receiver, then it will
be set to On.
INPut<1|2>:PRESelection[:STATe] ON|OFF
INPut<1|2>:PRESelection[:STATe]?
The commands above are included for ESU compatibility
is chosen, the LO/IF port becomes the input to the analyzer.
Center Freq key controls the setting of Center Freq in external
Center Freq
. A unique SCPI command is provided solely for the external mixing
key description) which only affects the External Mixer CF; although
Input/Output
:FEED EMIX
Not all measurements support the use of the External Mixer input. When
External Mixer is selected in a measurement that does not support it, the "No
result; Meas invalid with Ext Mixing" error condition occurs.
Unless option EXM is present, the External Mixer key is blanked, and all
SCPI commands associated with menus accessed by this key return an error
Manual FFT mode is available with external mixing, but not with Signal ID.
All settings under this key are returned to their default state when
is pressed.
Input/Output Defaults
All settings under this key, and all Frequency settings, are remembered when
you go out of External Mixer, so that when
the external mixer functions will retain their previous settings, with the
exception of Signal ID which is set to OFF (
External Mixer is the selected Input).
The readback text on this key shows the currently selected mixer, in square
brackets.
A.08.01
System, Show, System.
for the RF Input or BBIQ. Each input retains
External Mixer
Signal ID
Input/Output
Restore
is chosen again, all
is also set to Off unless
399