[BC] RF interference problem

Jeff Johnson jjohnson
Sun Jan 22 20:33:16 CST 2006


>One issue is the improper design of audio gear where the pin 1 inputs of 
>audio  gear are not immediately bonded to
>the chassis of the gear itself! Give the  ground a nice loop inside of the 
>box
>and at RF frequencies, you have a great RF  signal injector at AM or VHF
>frequencies!
>
>Russel L.  O'Toole, P.C.
>R&M Consulting

Yes, the infamous 'pin 1' problem. I recall the article in " RW Engineering 
Extra" and/or the White paper presented by Jensen Transformers at NAB 2003 
pointing to this engineering oversight.

Jeff.Johnson at goodnews.net 



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