Found in an Electronic Design from the 1990s, this circuit generates signals from 500 kHz to 1 MHz that are digitally synthesized to provide a sinusoidal output.
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...