This circuit is from a 1965 Motorola manual. It can be implemented with a common 2N2646 and a 106 Series SCR without problems. The pulse transformer has a 1: 1 turn ratio.
This circuit was found in an American 1980s documentation. It makes use of an unusual MOSFET today...
We find this circuit in American documentation from the 1980s. The accuracy of the circuit depends on the...
This circuit is from 1964 documentation but can be easily implemented based on current components....