This circuit was featured in the March 1972 issue of Radio Electronics magazine. It adds automatic gain control to turntables by acting directly on the cartridge signal.
This very low power amplifier is designed by Amperex for hearing aids. It is based on TAA370 which is...
The integrated circuit used in this configuration is uncommon today. The diodes are for general use...
This logic circuit that transfers the level from one gate to the next with each clock pulse was...