This very low power amplifier is designed by Amperex for hearing aids. It is based on TAA370 which is not an integrated circuit that can be found today.
DC motors from 6 to 12 volts and currents up to 2 amps can be controlled with this circuit. The TIP41...
In the figure we have a voltage follower for AC signals. We found it in the Radio Electronics...
The circuit shown bellow is na áudio amplifier using Darlington transistor in a complementary...