4 Input/Output Functions
Input/Output
Compatibility SCPI
INPut<1|2>:TYPE?
Included for R&S ESU compatibility. In the MXE, the INPUT1 parameter is aliased to RFIN and the
INPUT2 parameter is aliased to RFIN2
Initial S/W Revision A.05.01
Modified at S/W Revision A.14.00
RF Input
Specifies using the main RF port for the current measurement
Key Path
Input/Output, RF Input, RF Input Port
Example :FEED:RF:PORT RFIN
ReadBack RF Input
Initial S/W Revision A.05.01
Modified at S/W Revision A.14.00
RF Input 2
Specifies using the second RF port, if supported, for the current measurement.
See "More Information" on page 155
Key Path
Input/Output, RF Input, RF Input Port
Example :FEED:RF:PORT RFIN2
Couplings When switching from Input 1 to Input 2:
• If the Stop Freq is above the Max Freq, it is set to the Max Freq, otherwise it does not change.
• If the Start Freq is above (Max Freq – Min Span), it is set to (Max Freq – Min Span), otherwise it
does not change.
When switching from Input 2 to Input 1, neither the Start Freq nor the Stop Freq change.
For the Swept SA measurement, Min Span is 10 Hz. This may vary from measurement to
measurement.
ReadBack RF Input 2
Initial S/W Revision A.05.01
More Information
In models with two inputs, the second input usually has a different maximum frequency than the first input.
For your convenience, the actual “Max Freq” value is allowed to go slightly higher than the nominal Max
Freq for the second input, just as is the case with the first input.
EMI Receiver Mode Reference 155
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