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QM1004A-2-18 Combined RF Upconverter/Downconverter
User Manual
3.6 FREQuency:REFerence:LOCK?
This query allows the user to check the lock status of both the onboard reference oscillator and the
FPGA’s internal PLL.
Syntax
:
FREQ
:
REF
:
LOCK
?
Query
:FREQ:REF:LOCK?
This query returns a 0 or 1 to indicate the lock status of the PLL and the FPGA’s
clocks. If the internal reference is in use, the PLL will report a 0 as lock status.
Quonset Microwave
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