The circuit presented is a documentation for radio amateurs from 1978. Implemented with common CMOS and linear components, it indicates CMOS logic levels.
The idea is simple: using a flashlight to cut your TV commercials triggers a relay that turns off...
This 90's Electronic Design circuit converts the period of a signal into a frequency. The...
We found this source with the CI 723, common at the time, in a 1989 paper. Power transistors must be...