This power supply was obtained from an Electronic Design from the 90's. The circuit applies to other 3-terminal regulators. The maximum output current is 200 mA.
This high-performance circuit was found in the 1982 SGS Linear Integrated Circuits Manual. The...
Found in a 90s Electronics Engineering, this circuit makes use of components of the time. The...
Found in a magazine 73 for radio amateurs, this circuit has two settings, one for the interval and the...