This amplifier is from Motorola's 1990 Linear Databook. The circuit can be used with operating amplifiers with the same characteristics and the power supply must be symmetrical.
This circuit is indicated to power TTL circuits with current drains up to 500 mA. The transistor...
This circuit is from a 1997 publication, but it can be assembled with a BD136 for TR1. The...
This control circuit using a low voltage switch was found in the September 1987 Radio Electronics...