This circuit was found in an old Hewlett Packard publication. Its purpose is to activate neon indicator lamps with signals from a switching circuit.
September 2016 - It can be obtained from Mouser Electronics the new isolated flyback controller...
This VCO or Voltage Controlled Oscillator uses an 8038 integrated circuit that is not very easy to...
This circuit of an old documentation but with modern components still common today, brings...