A.輸入信號(hào) B.輸出信號(hào) C.三極管的放大作用 D.集電極電源
A.摻雜 B.能量擊發(fā) C.摻雜與能量擊發(fā)
A.0.7,0.3B.0.3,0.7C.0.5,0.2D.0.2,0.5