[Amps] Novice heater choke question
Paul Decker
kg7hf at comcast.net
Wed May 24 13:19:43 EDT 2017
Wouldn't it depend on the gain or lack of gain of the antenna? 1.5KW into a -21dbi load is about 4.6 watts EIRP no?
>
> Date: Wed, 24 May 2017 11:42:29 -0400From: n8de at thepoint.netTo: amps at contesting.com
> Subject: Re: [Amps] Novice heater choke question
> Message-ID: <20170524114229.2lr2wse5cgw0swkk at webmail.win.net>
> Content-Type: text/plain; charset=ISO-8859-1; DelSp="Yes";
> format="flowed"
>
> As the FCC proposal for this band includes a restriction to 5 watts
> EIRP ... do you think an amp there is within the rules?
>
> 73
> Don
> N8DE
>
> Quoting Chris Wilson <chris at chriswilson.tv>:
>
> >
> >
>
> > >
> > 24/05/2017 16:02
> >
> > I want to build a tube amp for 136kHz (yes, kHz...). I have built
> > several push pull quasi Class D push pull FET amps with a centre
> > tapped output transformer. The centre tap is fed from B+ with an iron
> > dust toroidal wound choke. It can handle 20 Amps. Can I use a similar
> > choke as a filament choke for a grounded grid GS35B amp? I am
> > envisaging running the choke off a SMPS on DC as do quite a few
> > builders. Thanks.
> >
> > --
> > Best Regards,
> > Chris Wilson.
> > mailto: chris at chriswilson.tv
> >
> > >
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