This negative bias circuit provides negative voltages from 3.5 to 6.5 V sources. The circuit was found in the April 1995 issue of Electronics Now magazine.
This circuit is suitable for applications in medical, research and industrial equipment. The...
This circuit, found in a publication of the year 1968, uses a transformer to drive two power...
This 100-second timer was found in a 2000 Poptronics. The magazine no longer exists, but the...