This converter that allows high voltages to be obtained from batteries was found in Radio Electronics magazine from June 1959. The circuit uses a special transformer providing 9 to 18W of output.
Unlike the previous one, this circuit uses only one resistor in the base polarization. The...
This conventional LED effects circuit uses integrated CMOS. Today we can achieve the same effects...
This circuit was found in an old American publication. It makes use of an integrated circuit...