一、基本概念1.半导体——导电能力在导体和非导体之间的物质。如硅、碳,锗……等都是半导体。2.整流器——具有单方向导电性能的电器元件叫整流器。电流从一个方向来可以通过,电流方向改变以后,不能通过,如图1所示。整流器相当于 First, the basic concepts 1. Semiconductor - conductive ability between the conductor and non-conductor material. Such as silicon, carbon, germanium ... ... are all semiconductors. 2. Rectifier - with one-way conductivity of electrical components called rectifiers. Current from one direction to pass, the current direction of change, can not pass, as shown in Figure 1. Rectifier equivalent