This power supply was found in the same 1990 special issue of Radio Electronics Experimenter magazine that describes an amplifier of up to 100 W per channel with the LM12.
This circuit is intended to match impedances for observing signals on an oscilloscope. The FET...
The battery is charged by the photocell that keeps the low consumption beacon in the dark. The...
This is the configuration suggested by National Semiconductor for cascading the LM12. The LM12...