Found in a Radio Electronics store from the 90s, this circuit is for cars of that era. The circuit uses a 2N3055 that must be equipped with a heat sink.
An integrated circuit 741 (operational amplifier is the basis of this voltage indicator, which can also...
This circuit converts inductances on two scales into voltages. The circuit was obtained from a...
This field effect transistor amplifier circuit in common gate or common port configuration is from an old...