三極管
雙極(ji)性(xing)結型(xing)晶(jing)體管(guan)(guan)(Bipolar Junction Transistor, BJT)簡稱雙極(ji)性(xing)晶(jing)體管(guan)(guan),俗稱三(san)極(ji)管(guan)(guan)(BJT),是一種具有(you)三(san)個終端的半導(dao)體器件,能夠(gou)把微(wei)弱信號放大成幅度值較(jiao)大的電(dian)信號,也可用作無觸點開關(guan)。三(san)極(ji)管(guan)(guan)具有(you)電(dian)流放大作用,是電(dian)子電(dian)路中...
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