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Old 12th May 2021, 6:55 am   #11
dsergeant
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Join Date: Mar 2006
Location: Bracknell, Berkshire,UK.
Posts: 1,175
Default Re: DIY Spectrum Analyser

75 and 50 ohm BNC are physically compatible unlike N type which are not. The impedance difference in BNC is made by removing dialectric, the diameter of the pin is the same in each type.

I still have my G4PMK analyser, not that it gets much use these days.

Dave G3YMC
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