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Last update: 27/05/01 0.31.00 |
Hallicrafters SX-28 Superskyrider - BFO page
This page is dedicated
to describe and understanding the SX-28's Beat Frequency oscillator circuit.
Having a look at the
original diagram from Hallicrafters, it was not so clear to me what kind of
circuit it is. So I have re-drawn it in a different and more understandable
way.
This is the original
Hallicrafters diagram 
and this my redraw of it: 
Now it looks very clearly
(it was already) as a Hartley oscillator.
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Last update: 27/05/01 0.31.00 |