This is one of the many versions we have of a 12 V power supply with the 7812. We found it in the Radio Electronics magazine of July 1984. The integrated circuit must be mounted on a heat sink.
Another application circuit for the NE567 is shown in the figure. It consists of a decoder for...
In fact, this is the circuit also known as “vox”, that is, a relay triggered by sound. This...
This circuit can be used with transmitters in the 3 to 30 MHz frequency range also functioning as a...