May I inject a heretical thought into our concerns of RF harmonic content 
causing field measurement inaccuracy?

 

I know that everyone loves the efficiency of having broadband components 
(signal generators, amplifiers, illuminating antennas and field sensors) which 
speed the test time. But I wonder if it might not be easier, all things 
considered, for us (especially the many of us who only need to do 80 MHz to 
1000 MHz RI) to just stick a set of four good low-pass filters (cut-offs at 160 
MHz, 320 MHz, 640 MHz and 1000 MHz) into the amplifier output coax. Sure, for 
the Mil guys it gets much more complicated, but maybe we’re looking too closely 
at this problem.

 

 

Ed Price

El Cajon, CA

USA

 


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