Re: Nano VNA SAA-2N and G3XDY QRO filter
Brian Howie GM4DIJ
In message <firstname.lastname@example.org>, John Quarmby via groups.io <email@example.com> writestoggle quoted messageShow quoted text
I tried it on a dummy load. I seems to be OK until about 3.8 then it's a bit noisy as was mentioned. The trace was a bit less lumpy after I calibrated it up to 4GHz.
Just select 4GHz as the upper frequency limit when setting the sweep range and do a calibration run prior to measurement. Dynamic range and accuracy may be a bit below spec but it does provide a good indication of what is going on.