This circuit for analog VHF televisions was found in the 1989 Radio Electronics Experimenter magazine. It also works for FM receivers.
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...