三極管
雙(shuang)極(ji)性結型晶(jing)體(ti)管(guan)(Bipolar Junction Transistor, BJT)簡稱雙(shuang)極(ji)性晶(jing)體(ti)管(guan),俗稱三極(ji)管(guan)(BJT),是(shi)一(yi)種具(ju)(ju)有三個終(zhong)端的半導體(ti)器件(jian),能夠把(ba)微弱信(xin)號放大(da)成幅度(du)值較大(da)的電(dian)信(xin)號,也(ye)可用(yong)作無觸(chu)點(dian)開(kai)關(guan)。三極(ji)管(guan)具(ju)(ju)有電(dian)流放大(da)作用(yong),是(shi)電(dian)子電(dian)路中...
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