Suggested by General Electric in 1965 documentation, this circuit controls the current at a load from half to maximum power. The circuit is for loads up to 900 W with the indicated components.
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...