VT66 / 66A triode type music integrated circuitVT66 / 66A typical application circuit as shown:VT66 / 66A package with TO92, its ...
Electromagnetic relay working principleElectromagnetic relay generally by the electromagnet, armature, spring, contacts and other componen...
According to the technical distinction: from its working principle and the core components to distinguish between black and white power is ...
Classification of resistorsThe resistor is a current-limiting element. Resistor is to provide a circuit to prevent the flow of current co...