This circuit was found in the January 1989 issue of Radio Electronics magazine. The circuit sends audio signals by modulating a low-frequency carrier through the power grid.
This circuit was obtained in an Argentine publication in 1976. It consists of a series voltage...
This circuit was found in a. transistor Manual from 1958. This is an amplifier stage with a...
This regulator circuit was found in the June 1984 issue of Radio Electronics magazine. The LM11 is a...