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.
The integrated circuit used is no longer very common today, but there are still many sources that...
This was the name given to the Darlingtons in the 1950s. The circuit is from a November 1952 Radio...
Found in Popular Electronics from the 90's, this circuit uses 555 integrated and common...