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 direct-coupling three-transistor amplifier source some watts to a loudspeker when powered...
In this application we show how to get tuning from 0 V to an LM350 regulator IC. The setting also...
The voltage output of this circuit is 4 times the peak of the input voltage. Current depends on...