This is the power step of the previous circuit. Output transistors must be mounted on good heat sinks. The circuit is from documentation from the 60s.
This interesting and powerful circuit was found in a 2003 documentation. It supplies several tens...
This circuit allows 220 / 240V shavers to be used in the 110V network. The diodes can be general...
This very high voltage (VHT)generator was found in a 1995 documentation. The transistors must be...