I did it again! I got my foot in my mouth once again! I must apologize for
assuming an expert/designer is always an engineer.
73,
Ed
----- Original Message -----
From: Edward Pagaduan <ezed@aloha.net>
To: Phil Clements <philk5pc@tyler.net>; measures <2@vc.net>;
<N6BUU@aol.com>; <n6er@yahoo.com>; AMPS <amps@contesting.com>
Sent: Wednesday, June 21, 2000 7:35 PM
Subject: Re: [AMPS] RF filament choke for indirectly heated cathodes?
>
> I too had an AL1500 Amplifier and was wondering why there was no parasitic
> suppressor of any kind on the plate as mentioned in my previous postings
to
> this reflector. ... But no satisfactory response. Maybe if I shake the
> credibilities of the design engineer(s) I will, hehehe : ) How does one
> get to be an engineer with no training in Physics?. By the way
Electricity
> and Electronics is a branch of Physics. As told by my College Physics
> Professor K. Nose (d) KH6IJ in days gone by .
>
> Aloha,
> Ed
> ----- Original Message -----
> From: Phil Clements <philk5pc@tyler.net>
> To: measures <2@vc.net>; <N6BUU@aol.com>; <n6er@yahoo.com>; AMPS
> <amps@contesting.com>
> Sent: Wednesday, June 21, 2000 2:09 PM
> Subject: Re: [AMPS] RF filament choke for indirectly heated cathodes?
>
>
> >
> >
> >
> > >>> Rich wrote:
> > >>> In other words, put a jumper between the cathode and the heater, and
> use a
> > >heater
> > >>>choke - the same as one would do for >>30MHz operation >>
> > >
> > >> MAKES U WONDER JUST HOW MUCH MORE IT WOULD COST THE MFG. TO DO IT
> RIGHT!
> > >> HANK
> > >
> > >Ameritron does it right, but alas, no anode parasitic suppressor!
> > >
> > ? ... incredible, Phil. The designer of the AL-1500, Charles Thomas
> > Rauch, Jun. claimed to be one of our recognized amplifier ''experts''
> > (9-94, QST) -- yet he has no training in physics, physics of
electricity,
> > or algebra. The AL-1500 is the only 8877 amplifier that has no vhf
> > suppressor whatsoever. .
> >
> > Is either side of the heater operated at ground potential?.
> > thanks
> > cheers, Phil
> >
> > No Sir, it is wired just like you describe above....
> > cheers, Rich
> >
> > (((73)))
> > Phil, K5PC
> >
> >
> >
> >
> >
> > --
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> > Submissions: amps@contesting.com
> > Administrative requests: amps-REQUEST@contesting.com
> > Problems: owner-amps@contesting.com
> >
>
>
> --
> FAQ on WWW: http://www.contesting.com/FAQ/amps
> Submissions: amps@contesting.com
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> Problems: owner-amps@contesting.com
>
--
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