This circuit is used to protect an amplifier from excessive power output that would cause problems for the speakers. The circuit is from the January 1985 issue of Radio Electronics magazine.
This is the traditional configuration of an inverter amplifier with operational. The operational...
In the figure we show how to implement a voltage-controlled oscillator. The circuit is from Texas...
Found in a 1967 American publication, this circuit with feedback for two transistors has a gain of...