This is a circuit for receiving signals from the previous transmitter. The circuit uses a common phototransistor. It was found in the August 1984 issue of Radio Electronics magazine.
This circuit was found in documentation from 1977. It consists of a bridge of capacitances using a 50...
This oscillator with the PLL 4046B was obtained from a 90s Radio Electronics. The circuit...
Using the NE5205 integrated circuit this circuit was found in the May 1987 issue of Radio...