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Brian Gregory[_2_] Brian Gregory[_2_] is offline
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Default Vintage transistors and tin whiskers

On 18/05/2020 12:59, Adrian Tuddenham wrote:
I have had some success with an Eddystone EB35 by replacing them with
silicon transistors and adjusting the base bias to get approximately the
same collector current.


And if something starts oscillating because you have too much gain with
the silicon replacements then adding a low value R in series with their
emitters will usually fix.

--
Brian Gregory (in England).