Found in a 1967 General Electric SCR manual, this circuit uses a neon lamp to produce opposing SCR clocks. The transformer is of the commercial type of the time.
This circuit causes an LED to flash at a frequency determined by the capacitor. The circuit is...
This circuit is from the documentation of Radio Shack 1975. It can be mounted with 12 V relays,...
This circuit is from a 90s 73 Amateur Radio Today. The circuit uses a MOSFET to provide 10 W of...