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 found in an old French documentation, but it is current if we use the BC547 for...
August 2016 - It can be obtained from Mouser Electronics the power factor controller NCP1602 from...
This source of two voltages and two currents was found in documentation translated from Argentina. We...