This circuit provides a 5 V negative output with a maximum current of 1 A. The circuit is from the 1993 Linear Technology Applications and uses common components at the time.
This circuit is from an American publication of 1978. It can be assembled with modern transistors, since...
The electrostimulator or electronic massager consists of a circuit that produces high voltage...
This circuit can send signals in both the VHF and FMN bands with a range of a few tens of meters. The...