This simple circuit with two transistors was found in a 1985 publication. The power can come from batteries or battery, as consumption is very low.
In the figure we show yet another CMOS component based voltage controlled oscillator circuit. The...
This power supply can provide 10 A currents. Its regulation is made by 7812 integrated circuit. The...
The circuit shown bellow is gated by an external signal. A high logic level applied to the input...