The purpose of this circuit is to limit noise peaks on a radio receiver. The circuit is from an 80's documentation. The diode is commonly used and the circuit is applied to a receiver IF stage.
Found in an American publication from 1968, this circuit aims to keep the torque of a DC motor...
This shield can be used both to interface microcontroller circuits or TTTL. The resistor in series...
Found in Popular Electronics this circuit uses current components to control a pump in order to...