>
>On Sun, 15 Oct 2000 23:47:33 -0400, jeff millar wrote:
>
>>Someone is certainly confused here. 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.
>______________________________________________________________
>
>Instead of debating endlessly, how about someone slapping a
>thermocouple on the electrolytics and measuring the temp difference
>between 160 and other bands? I'd do it if I had one.
>
I would not. I already know that allowing RF on electrolytics is not
good engineering practice.
>
>
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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