This amplifier with an OTA has a gain of 40 dB. The power supply must be symmetrical. Found in Radio Electronics, May 1988.
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...