RCA had a description (in their RCA HAM NEWS years ago) of an 432 MHz linear
using a 8122. I have this article somewhere. 73s de Hans / SM5KI
----------
>Från: Thomas Cook <tacookfam@exotrope.net>
>Till: "William L. Fuqua III" <wlfuqu00@pop.uky.edu>
>Kopia: AMPS <amps@contesting.com>
>Ämne: Re: [AMPS] VHF and 8122
>Datum: fre 8 okt 1999 03.36
>
>
>There was a series of articles in QEX some time ago that addressed the
>usability of various tubes on V/UHF. The 8122, I believe has some drift
>problems at 432; not sure about lower freqs. Perhaps someone else can
>shed some concrete info on this. They were used quite successfully in
>the old National NCL2000 HF amp; I used to drive one with an old Central
>Electronics 10B phasing exciter back about 1969 - worked fine.
>
>73, Tom - WA2BPE
>
>"William L. Fuqua III" wrote:
>>
>> Well it seems ashame to sell the dozen 8122's in this amplifier
>> and discard the VHF bypassed sockets and teflon chimneys.
>> Maybe the thing to do is to make a few VHF amplifiers.
>> Has anyone had experience with the 8122 in VHF amplifiers for
>> 144 and 440 MHz?
>> On the other hand do I have time for more projects. I have
>> not seen my work bench for some time. It it is under a pile of
>> parts in the basement. HI HI......
>>
>> 73
>> Bill wa4lav
>>
>> William L. Fuqua III P.E. E-mail WLFUQU00@POP.UKY.EDU Phone (606)
>> 257-4155
>> Department of Physics and Astronomy CP-177 Chem. Phys. Bldg.
>> University of Kentucky , Lexington, Ky 40506-0055
>>
>>
>>
>> --
>> FAQ on WWW: http://www.contesting.com/ampsfaq.html
>> Submissions: amps@contesting.com
>> Administrative requests: amps-REQUEST@contesting.com
>> Problems: owner-amps@contesting.com
>> Search: http://www.contesting.com/km9p/search.htm
>
>--
>FAQ on WWW: http://www.contesting.com/ampsfaq.html
>Submissions: amps@contesting.com
>Administrative requests: amps-REQUEST@contesting.com
>Problems: owner-amps@contesting.com
>Search: http://www.contesting.com/km9p/search.htm
>
>
--
FAQ on WWW: http://www.contesting.com/ampsfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|