>I built PP 812A amp modulated by 811a's in 1951. Plug in coils etal. I still
>believe that this fellow should try this low mu triode in GG with the broad
>band untuned input on 220 first.
>Sam, W5LU
>
// Using an 812A at 220MHz is like using a 3-500Z at 403MHz.
>
>>From: rich <2@mail.vcnet.com>
>>To: "S. J. Blackwell" <w5lu@hotmail.com>
>>Subject: Re: [AMPS] Input matching experiment
To: <amps@contesting.com>
>>Date: Fri, 18 Jan 2002 16:09:36 -0800
>>
>> >Really?
>>
>>Ä The 812A really has a max freq rating of 60MHz.
>>
>> >Still, I believe that for the benefit of the rest of us, it should
>> >be tested on 220 first. Furthur efforts abandoned if it does not work.
>> >
>> >
>> >>From: rich <2@mail.vcnet.com>
>> >>To: "S. J. Blackwell" <w5lu@hotmail.com>
>> >>Subject: Re: [AMPS] Input matching experiment
To: <amps@contesting.com>
>> >>Date: Fri, 18 Jan 2002 09:23:31 -0800
>> >>
>> >> >
>> >> >Jim,
>> >> >Please set the 812A GG amp with the broad band untuned input to
>>operate
>> >>on
>> >> >the 220MHz band.
>> >>
>> >>// An 812A on 220MHz with an untuned input is chortleish^2.
>> >>
>> >> >Good luck,
>> >> >Sam, W5LU
>> >> >
>> >> >
>> >> >>From: Jim Strohm <jstrohm@texas.net>
>> >> >>To: amps@contesting.com
>> >> >>Subject: Re: [AMPS] Input matching experiment
To: <amps@contesting.com>
>> >> >>Date: Fri, 18 Jan 2002 08:37:51 -0600
>> >> >>
>> >> >>
>> >> >>Considering the wide range of answers I've received, as well as what
>> >> >>certain "experts" have said vis-a-vis the "conventional" wisdom found
>>in
>> >> >>some 50-year-old publications, I think it's time to hook things up
>>and
>> >>see
>> >> >>for myself.
>> >> >>
>> >> >>I'll let you know as soon as I have test results from my junkbox 812A
>> >>amp.
>> >> >>
>> >> >>Jim N6OTQ
>> >> >>
>> >> >>
>> >> >>
>> >> >>--
>> >> >>FAQ on WWW: http://www.contesting.com/FAQ/amps
>> >> >>Submissions: amps@contesting.com
>> >> >>Administrative requests: amps-REQUEST@contesting.com
>> >> >>Problems: owner-amps@contesting.com
>> >> >>
>> >> >
>> >> >
>> >> >_________________________________________________________________
>> >> >MSN Photos is the easiest way to share and print your photos:
>> >> >http://photos.msn.com/support/worldwide.aspx
>> >> >
>> >> >
>> >> >--
>> >> >FAQ on WWW: http://www.contesting.com/FAQ/amps
>> >> >Submissions: amps@contesting.com
>> >> >Administrative requests: amps-REQUEST@contesting.com
>> >> >Problems: owner-amps@contesting.com
>> >> >
>> >> >
>> >>
>> >>
>> >>- R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.
>> >>end
>> >>
>> >
>> >
>> >_________________________________________________________________
>> >Get your FREE download of MSN Explorer at
>>http://explorer.msn.com/intl.asp
>
>
>
>
>_________________________________________________________________
>MSN Photos is the easiest way to share and print your photos:
>http://photos.msn.com/support/worldwide.aspx
>
>
- R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.
end
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
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Administrative requests: amps-REQUEST@contesting.com
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