3 IQ Analyzer (Basic) Mode
3.1 Complex Spectrum Measurement
Analog Filter State (Backwards Compatibility only)
In PSA, this SCPI manually selects the anti-alias filter that will be used for
measurements using the wideband IF path. The analog anti-alias filter is not
selectable for DIF40 or WBDIF and this command is a no-op for X-Series. It will
preset to F80 and change to either F36 or F80 depending on what you set it to.
However, it has no effect on the hardware settings nor on any other measurement
settings. Since X-Series does not have equivalent hardware, this command is
supported so as not to cause errors to the existing customer test scripts that use
this command with PSA. The BAF SCPI is preset to ON and allows the value to be set
to either ON or OFF but the value has no effect on the measurement and is ignored.
Preset
F80
Backwards Compatibility
SCPI
Not supported in STReaming measurement
[:SENSe]:SPECtrum:AFILter F80 || F36
[:SENSe]:SPECtrum:AFILter?
Auto Function
Example
:SPEC:AFIL:AUTO OFF
:SPEC:AFIL:AUTO?
Preset
ON
State Saved Yes
Range Auto | Man
Backwards Compatibility
SCPI
Not supported in STReaming measurement
[:SENSe]:SPECtrum:AFILter:AUTO ON | OFF | 1 | 0
[:SENSe]:SPECtrum:AFILter:AUTO?
Filter/FFT Setup Summary Table
Lets you view and access many of the parameters in the Filter/FFT Setup menus on
one screen.
3.1.8.3 FFT
Contains controls for the FFT or window length parameters.
Dependencies Only appears if you have the proper option installed in your instrument
FFT Window
Opens a drop-down menu that enables you to choose one of the available FFT
filtering windows.
IQ Analyzer Mode User's &Programmer's Reference 240
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