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.

Power Supply from 0 to 24 V x 1 A (CB1194E)
We found this circuit in a 1979 French publication, but it can still be assembled today with...
The Transistor as Switch (CB922E)
This circuit can be used as shield or to drive powerful loads from low current switches such as...
Magnetic Head Preamplifier (CB4945E)
This circuit is from old documentation having a gain of approximately 35 dB at 1 kHz with 2.2 mV...