We found this circuit in a Radio Electronics from October 1963. The circuit uses an output transformer with a center tap. The trimpot is adjusted for higher gain and lower quiescent current.
This circuit was obtained in the Motorola Linear Interface ICs of 1993. The current is determined by the...
This circuit with two power transistors was found in Radio Electronics magazine from October 1960....
This simple electronic toy organ produces an interesting sound, which can be used by the most...