This simple circuit is powered by the logic circuit itself. Components are still common, although they were obtained from somewhat old documentation.
We found this circuit in the August 1994 issue of Electronics Now. The 4046 is unusual today. The...
This triac synchronized circuit was found in the July 1995 issue of Electronics Now magazine. The...
This preamplifier is recommended by Sanyo and is based on its LA3160 integrated circuit. The...