Sorry for posting my replay to the wrong subject and recipient.
It was a fat finger mistake. Was very interested in the L-4B article
and was typing faster than thinking. Happens more and more these days!
Again, apologies for the misdirected response..
Here is the correct response routing to Neil:
Hi Neil:
Well the analogy to solid state is that of a diode to a transistor, or
more accurately a FET.
The addition of a third element to a vacuum tube diode turns it into a
triode. The control grid creates the leveraged control element which
enables current control via a very small signal applied. It is the
grids physical proximity to the cathode that gives it the "leverage" it
needs to enable gain.
Simple answer.
Curt
KU8L
Neil M Califano wrote:
How does a tube amplify AC current if tubes are used to rectify current?
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