This circuit is from an old Signetics documentation. It can be implemented with modern operational amplifiers. The power supply must be symmetrical.
This low-frequency sine wave oscillator was found in the December 1995 issue of Electronics Now...
This circuit breaker uses an electromechanical device to open a circuit when current increases. The foot...
This is the traditional configuration of na Astable Multivibrator using two NPN ttransistor....