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Identifying a System A modulator
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30th Sep 2018, 10:56 pm
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FERNSEH
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Join Date: Mar 2005
Location: Gateshead, Tyne and Wear, UK.
Posts: 7,444
Re: Identifying a System A modulator
It's the David Looser circuit that appeared in a 1984 Practical Television magazine titled
"A System A Modulator"
Uses two MC1496 modulator ICs and BFY90 transistors in the carrier oscillators.
DFWB
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