[R-390] Caps

Bob Young bobyoung53 at hotmail.com
Mon Apr 29 15:59:35 EDT 2013


Just wanted everyone on the list to know that this thread has been appreciated by at least one member. I know probably a few of the list oldtimers may be getting antsy with it but I've learned a lot in the past few days. 
 
Bob Young
KB1OKL
 

> Date: Mon, 29 Apr 2013 14:54:36 -0400
> To: r-390 at mailman.qth.net
> From: charles_steinmetz at lavabit.com
> Subject: Re: [R-390] Caps
> 
> Barry wrote:
> 
> >Could a healing event(or series of events) take out a mechanical filter?
> 
> Yes, definitely. And note that C553 is a signal-coupling cap, so it 
> is one of the locations where a disk ceramic is contraindicated, due 
> to leakage and distortion (a ceramic in this location causes enough 
> distortion to change the IF harmonic output measurably).
> 
> Best regards,
> 
> Charles
> 
> 
> 
> 
> 
> 
> 
> 
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