This circuit was found in old documentation from Analog Devices. The integrated circuit is from the era. It has two settings and operates at frequencies up to 50 MHz.
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...