In the figure below we have the typical circuit of an automotive star alternator with the rectifier sector. The diodes depend on the current and the circuit is given as a reference for a Ford vehicle.
This traditional signal injector from a 1970s publication uses germanium transistors. We can mount it...
This 4 1/2 digit digital voltmeter circuit was published in the April 1993 Electronics Now...
This simple circuit can work with either 4.5 V or 6 or 9 V if a 1k resistor is added in series with...