【判断题】Unregulated power supplies contain three basic components: a transformer, retifier and filter capacitor. Thi type of power supply, because of its simplicity, is the least costly. The disadvantage is t...
【判断题】Unregulated power supplies contain three basic components: a transformer, retifier and filter capacitor. This type of power supply, because of its simplicity, is the least costly. The disadvantage is ...