Found in a 1980s documentation, this amplifier uses an integrated circuit that is not easy to obtain now as it is of the era. The circuit is intended for FI ceramic filter circuits.
The circuit we show is a water pump actuator that, in addition to being automatic, has a water...
The drive levels of this shield are opposite to the previous one. The photo-transistor can be of...
Suggested by General Electric in a 1968 documentation this integrated amplifier uses a component of...