A.1/4~1/6 B.1/3~1/4 C.1/5~1/8 D.1/2~1/3
A.基區(qū)電導(dǎo)調(diào)制效應(yīng),發(fā)射區(qū)有偏壓效應(yīng) B.基區(qū)有偏壓效應(yīng),發(fā)射區(qū)電導(dǎo)調(diào)制效應(yīng) C.基區(qū)電導(dǎo)調(diào)制效應(yīng),基區(qū)有偏壓效應(yīng) D.發(fā)射區(qū)有偏壓效應(yīng),基區(qū)有偏壓效應(yīng)
A.共射電路 B.共基電路 C.共集電路 D.都不是