[AMPS] RF filament choke for indirectly heated cathodes?

[measures]

>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.

My assumption is that anyone who blows his own horn is probably trying to 
compensate for something.  .  

cheers, 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
>> >
>> >
>> >
>> >
>> >
>> > --
>> > FAQ on WWW:               http://www.contesting.com/FAQ/amps
>> > 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
>> Administrative requests:  amps-REQUEST@contesting.com
>> Problems:                 owner-amps@contesting.com
>>
>
>


-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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