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 excellent 30 W tube amplifier appeared in the April 1963 Radio Electronics magazine that...
This simple circuit serves to demonstrate the working principle of a Set-Reset flip-flop (S-R or...
The possibility of using the 4013 in the monostable configuration added to the input sensitivity of the...