This circuit covers the bands from 1.8 to 150 MHz, with plug-in coils whose characteristics are given next to the diagram. The FET can be a BF245. We found it in old documentation.
This circuit is from a 1967 General Electric SCR manual. The circuit supports other SCRs depending...
Found in an Electronics World of 1968 this circuit can use any SCR and diodes depending on the...
The purpose of this circuit is to re-trigger slow scan circuits used in the 1980s on low frequency...