Found in an Australian documentation from 1991, this circuit was sold in a kit at the time. It is a small FM transmitter with a very common configuration, also found in other projects on this site.
This circuit was found in Intersil's 1992 documentation consisting of a test for ADc0801 and...
This 60's shield or driver employs germanium transistors. The circuit is from a 1960 Gernsback...
The circuit shown in the figure on the right can be used on a data transfer bus with the use of an...