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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