Found in a 90s Electronic Design this circuit provides an additional 12 V output to a 5 V regulator. The maximum current is 200 mA.
This simple thermostat circuit was found in the September 1976 issue of Radio Electronics...
We found this circuit in the 1982 SGS Linear Integrated Circuits manual. The integrated circuit used...
This circuit uses a FET to drive an LED with constante currente. The current up to 20 mA can be...