This circuit is suggested by American documentation from 1970. It makes use of transistors of the time but can be implemented with modern equivalent transistors.
The values of R and C are set so that a time constant of the same order of magnitude as the...
Pressing S1 stops the circuit. This circuit was found in the October 1992 issue of Radio...
August 2017 - New DTMOS Super Junction MOSFETS from Toshiba are in stock at Mouser Electronics....