CALCulate Subsystem R&S FSL
1300.2519.12 6.80 E-11
C
ALCulate<1|2>:MARKer<1...4>:FUNCtion:TOI[:STATe]
This command initiates the measurement of the third–order intercept point.
A
two–tone signal with equal carrier levels is expected at the RF input of the instrument. Marker
1 and marker 2 (both normal markers) are set to the maximum of the two signals. Delta marker
3 and delta marker 4 are positioned to the intermodulation products. The delta markers can be
modified separately afterwards with the CALCulate<1|2>:DELTamarker<1...4>:X
command.
The third–order intercept is calculated from the level spacing between the normal markers and
the delta markers.
The numeric suffix <1|2> and <1...4> are irrelevant for this command.
Parameter
ON | OFF
Example
CALC:MARK:FUNC:TOI ON
Switches on the measurement of the third–order intercept.
Characteristics
*RST value: OFF
SCPI: device–specific
Mode
A
CALCulate<1|2>:MARKer<1...4>:FUNCtion:TOI:RESult?
This command queries the third–order intercept point measurement.
A complete sweep with synchronization to sweep end must be performed between switching on
the function and querying the measured value to obtain a correct query result. This is only
possible in single sweep mode.
The numeric suffix <1|2> and <1...4> are irrelevant for this command.
This command is only a query and therefore has no *RST value.
Example
INIT:CONT OFF
Switches to single sweep mode.
CALC:MARK:FUNC:TOI ON
Switches the intercept measurement.
INIT;*WAI
Starts a sweep and waits for the end.
CALC:MARK:FUNC:TOI:RES?
Outputs the measured value.
Characteristics
*RST value: –
SCPI: device–specific
Mode
A
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