This 10W commercial amplifier circuit was found in the September 1958 Radio Electronics magazine. Its power is 10W with excellent sound quality.
This circuit triggers an oscillator when any of the sensors is opened. The circuit can be powered by...
This circuit imitates the singing of a bird intermittently with the intermittency determined by C1...
This is a high gain circuit with 3 transistors connected in direct coupling. The circuit is from a...