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 supplies a voltage of 42 V, plus a symmetrical voltage of 12 V with 1 A. The voltage...
This circuit was found in a Texas Instruments linear application manual from the 1990s. The...
This LC step with only one general-purpose PNP transistor, was found in an American documentation from the...