This circuit was obtained from a 1966 General Electric documentation. It can serve as a basis for demonstrations of how to decode segments of a display using discrete components.
This circuit of an old publication makes use of SCRs that admit modern equivalents. The frequency...
This PNP transistor power stage was found in the May 1969 issue of Radio Electronics magazine. The circuit...
In the figure we have an amplification stage with FET in the source follower configuration. The circuit is...