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Syncronized point trigger method with external LO with external YIG filter

Question asked by midam on Mar 11, 2014
Latest reply on Mar 13, 2014 by midam

We have a plan to use external tunnable YIG filter to improve the noise floor of external LO source for noise measurement with PXA.
The issue here is this YIG filter takes some time until it is tuned at LO frequency while we perform swept LO and fixed IF style noise figure measurement.
When it is tuned, this YIG filter module will provide a voltage level that indicate it has been tuned. 
I was wondering if there is any solution to use this indicator to syncronize the sweep of PXA at each measurement points. - like point triggering in PNA-X in s parameter measurement sweep.

Thank you.