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Re: [Amps] Alpha 77 Filaments

To: "Harold B. Mandel" <ka1xo@juno.com>,Amps reflector <amps@contesting.com>
Subject: Re: [Amps] Alpha 77 Filaments
From: Vic Rosenthal <vic@rakefet.com>
Date: Fri, 04 Mar 2005 10:50:56 -0800
List-post: <mailto:amps@contesting.com>
Harold B. Mandel wrote:

> In order to "beef up" the 160 meter performance of the Alpha 77SX
> amplifier a number of changes occurred in the upper and lower RF decks
> that are pertinent to the thread.

Why did isolating the heater improve performance on 160?  Or was it done to 
protect the tubes against a particular failuere...if so, what was the reasoning?

Not a challenge, just curious!

-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco

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