This oscillator produces a modulated signal using a unijunction transistor. We found it in an American documentation from 1965. The circuit modulates in frequency the generated signal.
Using a MAX644 this circuit was found in the April 1989 issue of Radio Electronics magazine. The...
This oscillator produces a modulated signal using a unijunction transistor. We found it in an...
Powered from 20 V dual power supply this circuit sources 20 W to a 4 ohm loudspeaker. The IC is...