This is the factory setting (National Semiconductor) of the TDA2006 as an audio amplifier. The circuit works with 24 V and the diodes can be 1N4148.
This circuit was found in the January 1971 Radio Electronics magazine. It keeps the light flashing if...
This circuit is from the SGS manual of linear integrated circuits. The circuit can be implemented with...
Found in a 90s Hands On Electronics, this small preamp finds applications like microphones and other...