The RF Parts choke described by Phil has been in use here for about two
months in my latest HF project (GS-35B) with excellent results...and the
people at RF Parts are some of the best in the business.
Regards to all...Jim
----- Original Message -----
From: Phil Clements <philk5pc@tyler.net>
To: carl seyersdahl <carlseye@tampabay.rr.com>; 'Amps' <amps@contesting.com>
Sent: Saturday, June 29, 2002 10:04 AM
Subject: Re: [Amps] choke resonances
> Subject: [Amps] choke resonances
>
>
> > How far away from a given band should a plate choke resonance be to not
> > cause a problem?? I have a resonance right on 18 mhz. in an amp, and am
> > concerned that someone might want to use it on 18 mhz. and so I want to
move
> > it, but should I move it up or down , and if so how much??? Any thoughts
on
> > this will be appreciated!!
> > carl / kz5ca
>
> The RF Parts choke (RFC-3) used in many Ameritron and other
> brand amps is the one I have been using, Carl. It has plenty of
> L for 160 meter coverage. The first resonance is parked around
> 11.5-12 mhz, and the second is well above 10 meters. It is
> advertised by RF Parts as 225uh, 1.5 amps, 1 inch ceramic form,
> 5 5/8 high. This choke has been a true drop-in-and-play component
> for me with several projects. I always keep a few in the parts bin
> for future use.
>
> (((73)))
> Phil, K5PC
>
>
>
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