We found this circuit in the June 1991 issue of Radio Electronics magazine. The integrated circuit is still available. The table gives the component values.
Author: Newton C. Braga Published:Aug, 2016 Formato:Book and e-Book Pages:...
This circuit uses a FET to drive an LED with constante currente. The current up to 20 mA can be...
This interesting 80's logic circuit consists of a gate that can be programmed according to the...