This circuit was found in an Electronics Now of the 80s applying to NiCad batteries of the time. The circuit is powered by a 12 VAC source, for example, the secondary of a transformer.
This circuit that uses only discrete components (transistors) mimics the sound of an American...
This circuit was found on an application note from Linear Technology of the 1990s. The source must...
This VCO or Voltage Controlled Oscillator uses common components. The circuit generates signals that...