This circuit was found in a Radio Electronics magazine from November 1992. The components are from that time and the power supply must be dual.
This sensitive circuit detects the live pole of a power grid or outlet. The circuit makes use of a high...
This Wein bridge oscillator as it is also known uses a 741 with symmetrical power. With the...
In this 1990s circuit, found in a National Semiconductor manual, the output voltage is the square of...