Using the integrated circuit 723 we found this power supply in an article in the magazine Radio Electronics from August 1971. The transistor may be a BD136 equipped with a heat sink.
This circuit is from an old documentation and can be used to generate signals in different...
This circuit was obtained from Linear Technology documentation from the 80's. Powered by 5 V it...
Found in an Electronics Now from the 1980s, this circuit uses some components that are still...