Record Head Preamplifier (CB4949E)

This 80's circuit can be used in media recovery. The integrated circuit is of the time, but modern equivalents of lower supply voltage can be used.

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ABB drives the energy revolution with newly emerging use of solar power in Singapore Land scarcity has...
Directed Coupled Two Transistor Stage (CB972E)
This circuit was found in an old documentation from 1968. The voltage gain is 70 and the...
AC Motor Direction Control (CB4262E)
This circuit was found in the power semiconductor manual of the 1980s ON Semiconductor. The...