Employing a unijunction and a triac of the era, this 1964 Electronic Design circuit uses a diac to trigger the Triac.
This circuit is for cars with old contact breaker and a 6 V battery. The circuit is from a Radio...
This volume compressor uses unusual components today. The circuit was found in documentation from...
This Intersil circuit was found in a 1980s documentation. Operational are of the time, but current...