Found in an old publication about neon lamps this circuit works directly connected to the power grid, serving as an indicator for various situations. Ordinary neon lamps can be used.
This circuit can be used in physics experiments, in ionization and in several other applications. The...
Through digital control, this circuit activates the input filters that have the frequencies...
This VCO or Voltage Controlled Oscillator uses common components. The circuit generates signals that...