This circuit with two operating modes was found in the September 1989 issue of Radio Electronics magazine. Other operational amplifiers can be used. The power supply must be dual.
This oscillator with the PLL 4046B was obtained from a 90s Radio Electronics. The circuit...
This protection circuit trips by quickly blowing the fuse in the event of an overcurrent. The circuit is...
This circuit is intended for the testing of junction FETs, providing several reading options...