[Boatanchors] AM-8C/TRA-1 amp power supply info needed...

[jeremy-ca]

Hey Mike, I guess many are clueless about the experimental licenses for 
600M.

The original ratings for that amp are very conservative so you can easily 
double the power if you can cram in a 600M tank circuit to handle it. You 
may need a vacuum variable for part or all of the Tune cap.

Carl
KM1H





Carl
KM1H


----- Original Message ----- 
From: "Ken" <n5cm at rtconline.com>
To: <we0h at yahoo.com>; <boatanchors at mailman.qth.net>
Sent: Monday, September 24, 2007 7:25 PM
Subject: Re: [Boatanchors] AM-8C/TRA-1 amp power supply info needed...


> Hi Mike,
>
> 600 Meters is 500 Kcs, the frequency used worldwide in the maritime
> industry for ships at sea. It is, or was, the international calling and
> distress frequency and in use since way back in the days of spark and
> arc transmitters.
> FWIW.
> Take care,
>
> N5CM
>
> ----- Original Message ----- 
> From: "WE0H" <we0h at yahoo.com>
> To: <boatanchors at mailman.qth.net>
> Sent: Monday, September 24, 2007 1:07 PM
> Subject: [Boatanchors] AM-8C/TRA-1 amp power supply info needed...
>
>
>> Does anyone know what voltages the screen & plate are for this
>> amplifier? I am modifying one for 600 meters and have no clue what I
>> need to build for a screen supply or what voltage the amp should have on
>> the plates.
>>
>> Would it be as simple as using the tube datasheet suggested voltages for
>> the class of operation it will be setup for?
>>
>> Thanks much,
>> Mike
>> WE0H
>
>
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