倒 冬激励：us 响应：u、u2、、2、3 RR+RR 4= RR+RR3 =us RR2+RzR;+RR3 us RR+RRs+RRs 转移电压比 RR 2二 RR ,=山RR+RR+RR us RR+RRs+RR3 R+R3 R+R3 i=us RR+RaR3+RR3 us RR+RR3+RR 策动点电导 R3 R3 i2=us RR+RaR+RR3 us RR+RRs+RRs R R 转移电导 i=4s RR+RaR;+Rks us RR+RR3+RR 4例 ❖ 激励：uS 4 1 2 2 3 1 3 2 3 1 2 2 3 1 3 3 2 1 2 2 3 1 3 2 3 1 1 2 2 3 1 3 2 3 2 1 2 2 3 1 3 1 2 1 3 1 R R R R R R R i u R R R R R R R i u R R R R R R R R i u R R R R R R R R u u R R R R R R R R R R u u S S S S S + + = + + = + + + = + + = + + + = 转移电压比 1 2 2 3 1 3 3 2 1 2 2 3 1 3 2 3 1 2 2 3 1 3 1 2 3 1 2 2 3 1 3 2 2 3 1 2 2 3 1 3 1 1 2 1 3 R R R R R R R u i R R R R R R R u i R R R R R R R R u i R R R R R R R R u u R R R R R R R R R R u u S S S S S + + = + + = + + + = + + = + + + = ❖ 响应：u1、u2、i1、i2、i3 转移电导 策动点电导