Found in Radio Electronics this circuit uses a fotodiac to drive a triac. The circuit can use equivalent triacs.
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
The purpose of this circuit is to trigger an oscillator with the light of dawn. The tone of the...
This fast inverter amplifier with high input impedance uses operational amplifiers from the 80's,...