The circuit presented is a documentation for radio amateurs from 1978. Implemented with common CMOS and linear components, it indicates CMOS logic levels.
This LED signaling circuit uses a programmable unijunction transistor (PUT) as a relaxation...
This circuit activates a relay at dawn. The relay can be used to sound an alarm, turn on a radio...
We found this circuit in the March 1995 issue of Electronics Now magazine. The circuit has a...