Found in a 90s Electronic Design, this circuit provides a highly stable 60 Hz sine signal for applications such as inverters. The components used are common today.
This heartbeat sensor circuit was found in the July 1992 issue of Radio Electronics magazine. The...
This amplifier circuit with a low power MOSFET was found in Popular Electronics from the 90s. The...
This circuit, which can be built with several CMOS gates, was found in the March 1996 issue of...