Amps
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[AMPS] a sticky issue.

To: <amps@contesting.com>
Subject: [AMPS] a sticky issue.
From: 2@vc.net (measures)
Date: Sun, 15 Oct 2000 19:52:00 -0700
>
>Someone is certainly confused here.  

Amen, Jeff.  

>The HF RF bypass cap will 
>reduce 1.8 MHz ripple on the electrolytics.  The problem with
>ripple currents in the electrolytics has to due with resistive heating,
>The designer usually sizes the caps to meet a ripple current heating
>specification and if that ripple increases due to plate voltage swing
>leaking back through the plate choke, the PS filter caps will operate
>at increased temperature and somewhat reduced life.
>
>jeff
>
>----- Original Message ----- 
>From: "measures" <2@vc.net>
>To: "AMPS" <amps@contesting.com>
>Sent: Sunday, October 15, 2000 7:31 PM
>Subject: Re: [AMPS] a sticky issue. 
>> 
>> >In my determination, the ripple in the supply at 1.8 MHz is about 
>> >1/2 of a percent when actual impedances are considered. Hardly 
>> >enough to worry about. 
>> >
>> Adrift in a sea of misunderstanding.  // RF voltage on electrolytic 
>> filter caps is the main concern. 
>> 
>> >What major performance changes do you expect to see, if the 1/2 
>> >percent ripple is reduced from .5% to say .08 %? 
>> 
>> The HV RF bypass cap Has Nothing to do with ripple, Tom. 
>> 
>> > Or is this a "feel 
>> >better mod"? (Nothing wrong with that, as long as it doesn't hurt 
>> >anything else)
>> >
>> ....  clueless  
>> 
>> end
>> 
>> -  Rich..., 805.386.3734, www.vcnet.com/measures.  
>> end
>> 
>> 
>> --
>> FAQ on WWW:               http://www.contesting.com/FAQ/amps
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>> Problems:                 owner-amps@contesting.com
>> 
>> 
>
>
>--
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>
>


-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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