This circuit is from a 90s 73 Amateur Radio Today. The circuit uses a MOSFET to provide 10 W of output from a 2 W input.
This circuit is from 1968 documentation. We can assemble it with more modern components such as a...
Found in a 90s Silicon Chip documentation this circuit is intended to protect a speaker system in...
The UVTRON tube is an ultraviolet radiation sensor. In this circuit from Radio Electronics from...