This siren configuration found in a documentation from the 1980s can also be seen in many of our projects and in this circuit bank. Transistors are common, but Q2 can be of power for a higher voltage supply.
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...