Found in a Popular Electronics from the 90s, this circuit provides 100 W of power. The power supply is from a 25V source and the integrated circuit must be equipped with a heatsink.
This oscillator circuit for sinusoidal audio signals with operational 741 requires a symmetrical power...
Found in a 1974 Radio Shack documentation. This circuit must have a connection to the ground of...
This sensitive circuit detects the live pole of a power grid or outlet. The circuit makes use of a high...