This circuit was found in a Radio Electronics magazine from November 1972. The circuit is based on an integrated circuit of the time and the current is 1 A and is adjusted with a potentiometer.
This circuit was obtained in a 1965 American magazine translation. The coil is formed by 40 + 40...
We found this circuit in a 1991 publication. What it does is to amplify a signal with unit gain...
This is the traditional configuration of a 6 or 12 V source with 7806 or 7812 integrated circuits, for a...