This 1965 circuit consists of a small inverter for an ultraviolet lamp. The circuit is from a Motorola manual and the transformer must be wound on the core indicated in the diagram.
This circuit was obtained in a 1967 General Electric manual. The circuit applies to other triacs....
Found in an October 1992 Radio Electronics magazine article, this circuit generates a low-power tone in...
This circuit was obtained from an American 80's documentation. The operational ones can be...