This hybrid power supply circuit was found in the August 1997 issue of Electronics Now magazine. The power transistor and the integrated circuit must be provided with heat sinks.
The battery is charged by the photocell that keeps the low consumption beacon in the dark. The...
The circuit transistors, found in a 1974 documentation, may be the BC548. The circuit is used in...
We found this circuit in the April 1993 Electronics Now magazine. Almost any general-purpose JFET...