The circuit presented is a documentation for radio amateurs from 1978. Implemented with common CMOS and linear components, it indicates CMOS logic levels.
This circuit was found in a Radio Electronics Constructor, English magazine from April 1976; The...
This circuit was taken from Maxim documentation from the 90s. The components are from the period....
This circuit was found in an Electronics World of 1968. It can be applied to any modern triac and...