On Sat, Apr 8, 2023 at 10:42 PM, Erik Kaashoek wrote:
1: You did do a level calibration before measuring the NF?
2: No errors in the selftest?
3: Can post screen capture after each step of the NF measurement?, so first one for step 1 , just before you hit store, second for when you do the verification step and third with the amplifier connected and you are measuring the amplifier NF??
?
@ 1 and 2 :??? I did this several times in the past, but not prior to the strange measuringresults, so I repeated them now as follows? :
????????????????????? A) Selftest?? ? ? ? ? ? ??? : all tests OK.
????????????????????? B) Level calibration?? : all finished correctly.
????????????????????? C) Repeated seftest : all tests OK
@ 3?????????????? I will perform the NF measurement once more and will report the results tomorrow.
??????????????????? ? If I remember well, I
did report you the results
step by step before.
Note : The device measured was a Chnese TQP 3M9037-LNA
Thanks for your time spended on this,
Jos
