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QM1004-0.5-18 Combined RF Upconverter/Downconverter User Manual
1.2 FREQuency Subsystem
Table 4.2: FREQuency Subsystem Commands Summary
Command Page Description
FREQuency:BYPASS 34 Bypasses the converter, passing the inputs to the
ouputs for both channels.
FREQuency:CH1:ASR 35 Turns on or off the upconverter’s Active Spur Reduc-
tion.
FREQuency:CH1:BYPASS 36 Bypasses the converter, passing the input to the ouput
for the upconverter only.
FREQuency:CH2:BYPASS 37 Bypasses the converter, passing the input to the ouput
for the downconverter only.
FREQuency:LOCK 38 Returns the lock status of the internal LOs.
FREQuency:TUNE 39 Sets or Returns the desired tuning frequency in GHz.
FREQuency:TUNErACTual 40 Returns the actual tuning frequency of the device in
GHz. This query is useful when internal frequency
rounding occurs in integer mode.
FREQuency:LO1:EXTernal 41 Sets or Returns internal/external status of the LO1 os-
cillator.
FREQuency:LO1:LOCK 42 Returns the lock status of the internal LO1s for both
channels.
FREQuency:LO2:EXTernal 43 Sets or Returns internal/external status of the LO2 os-
cillator.
FREQuency:LO2:LOCK 44 Returns the lock status of the internal LO2 for the sys-
tem.
FREQuency:REFerence:EXTernal 45 Sets or Returns whether the internal or external sup-
plied reference oscillator is used.
FREQuency:REFerence:FREQuency 46 Sets or Returns the reference frequency when using
an externally-supplied reference.
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