This circuit was found in a Philips documentation from 1970. The components are of the time, difficult to find today, but the configuration can be adapted to use modern equivalent components.
The bipolar transistors can be the BC548 and the FET a BF245. This configuration has a time...
November 2016 - Mouser Electronics is making available the new N Semiconductor STK984-190E power...
June 2017 - In its huge line of available components, Mouser Electronics highlights the new...