We found this circuit in a 1969 General Electric documentation. The circuit uses transistors of the time and the diodes in the dotted board must be mounted on the output transistor heatsinks.
This switching buck regulator with the NE5560 was found in the February 1980 issue of Radio...
This commercial medium and short-wave radio was manufactured in Japan in the 60s. The circuit has...
Unlike the previous one, this circuit uses only one resistor in the base polarization. The...