This circuit was found in an American 1980s documentation. The transistorized step is the receiver's last IF and the diode is the receiver's existing detector.
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...