SV: SV: [AMPS] VHF and 8122

[Hans Goldschmidt]

>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: "Hans Goldschmidt" <sm5ki@algonet.se>
>Till: Thomas Cook <tacookfam@exotrope.net> , "William L. Fuqua III"
<wlfuqu00@pop.uky.edu>
>Kopia: AMPS <amps@contesting.com>
>Ämne: SV: [AMPS] VHF and 8122
>Datum: fre 8 okt 1999 21.00
>

>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
>----------
>>FrÂn: Thomas Cook <tacookfam@exotrope.net>
>>Till: "William L. Fuqua III" <wlfuqu00@pop.uky.edu>
>>Kopia: AMPS <amps@contesting.com>
>>Ÿmne: 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