[Boatanchors] PA Tank Circuit Padding Capacitors

w5jo at brightok.net w5jo at brightok.net
Mon Aug 1 09:08:48 EDT 2016


Or 500 volt dipped micas

Jim
W5JO

-----Original Message----- 


doorknob is overkill.  for that low voltage and current you can get by
with 1 KV disk ceramics.

Rob
K5UJ

On Mon, Aug 1, 2016 at 7:15 AM, David Stinson <arc5 at ix.netcom.com> wrote:
> Given: Series-feed Triode PA tank with link-coupled output.
> 350 VDC B+, about 9 W out on 75 Meters.
> Padding across the tank coil with a 50 pFd doorknob was successful in
> lowering its resonant point, but space is severely restricted and 
> doorknobs
> can be expensive.  *Rewinding the coil is not an option.*
>
> What other types and specifications of  available
> capacitors would you recommend for this service?
>
> TNX OM ES 73 DE Dave AB5S
>
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