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QM1004-2-18 Combined RF Upconverter/Downconverter User Manual
1.2 FREQuency Subsystem
Table 4.2: FREQuency Subsystem Commands Summary
Command Page Description
FREQuency:LOCK 31 Returns the lock status of the internal LOs.
FREQuency:TUNE 32 Sets or Returns the desired tuning frequency in GHz.
FREQuency:TUNErACTual 33 Returns the actual tuning frequency of the device in
GHz. This query is useful when internal frequency
rounding occurs in integer mode.
FREQuency:LO1:DIVider 34 Sets or Returns the reference divider of the LO1s for
both channels.
FREQuency:LO1:EXTernal 35 Sets or Returns internal/external status of the LO1 os-
cillator.
FREQuency:LO1:LOCK 36 Returns the lock status of the internal LO1s for both
channels.
FREQuency:LO1:PLLMode 37 Sets or Returns the PLL Mode (
Integer
or
Fractional
)
of the internal LO1 for both channels.
FREQuency:LO2:LOCK 39 Returns the lock status of the internal LO2 for the sys-
tem.
FREQuency:LO3:LOCK 40 Returns the lock status of the internal LO3 for the sys-
tem.
FREQuency:REFerence:EXTernal 41 Sets or Returns whether the internal or external sup-
plied reference oscillator is used.
FREQuency:REFerence:FREQuency 42 Sets or Returns the reference frequency when using
an externally-supplied reference.
FREQuency:REFerence:LOCK 43 Returns the lock status for the incoming external refer-
ence signal and the outgoing references.
1.3 POWEr Subsystem
Table 4.3: POWEr Subsystem Commands Summary
Command Page Description
POWEr:CH1:ATTENuation 44 Sets or Returns the value of upconverter attenuation.
POWEr:CH2:ATTENuation 45 Sets or Returns the value of downconverter attenua-
tion.
POWEr:LNA 46 Sets or Returns the on/off status of the Upconverter
LNA.
POWEr:RF 47 Turns on or off the RF output of the device.
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