非线性电路分析基础ppt课件

1、iv0V0+iDZLviOvivii(a )tOOOvvt(c )(b )ttVKVtKVtKV21m2m1222m2122m1sinsin2sinsinitVKVtVKVVVK)cos()cos()(221m2m122m2m12m22m1itVKtVK22m212m12cos22cos22K2m22m1VV 2221vviKK tKVtKV222m2122m1sinsin 3oo2ooooo)(! 3)()(! 2)()()()(VVfVVfVfVffvvvvvi3o32o210)()()(VVVovavavaa01122coscosVVtVtv3o32o2o10)()()(VVVvavav

2、aai011122221122331122( coscos)( coscos)( coscos)iaa Vt Vta Vt Vta Vt Vt直流分量12，12121222直流分量， ， ， 121212123322， ， ， ，)2cos2cos(21cos)2343(cos)2343(212122212122321332321132213313112222120tVtVtVVVVtVVVVVVaaaaaaaaaai332 1 21212311221() () (cos3cos3)4a VV costcostVt Vta231212123(2 ) (2) 4V V costcosta2312

3、12123(2 ) (2) 4V Vco stco sta)()()(0BZBBZBccBZBcVVgVvvivi (a) (b)图5-7 时变参量的信号变化iBvQAv1= V1c o s1tv2= V2c o sst+iDZLv2+v1VQ nfnffft21Q)n(221Q21Q1Q)(!1)(! 21)()()(vvvvvvvvvvvi21Q1Q)()()(vvvvvifft11nocosntnggtnVgtnVgtVtngmnmnmn)cos(21)cos(21coscos212212221图5-8 (a) 线性频率变换图相对振幅123400400+4图5-8 (b) 非线性频率变换

4、图相对振幅123400n00+nXZYZYXvyvx 0vy 0vxvx 0vy 0vx 0vy 0vx 0vy 0ovx/V8 64 22468246824682V6V10VK= 1/V110vY=10Vvo/V6V2VVCCRCRCi1i2i3i4T1T2T3T4i5i6T5T6I0VEE+v1+v2vo(5-20) 21212Toco4vvvvVvKIRtVKVtVKV)cos(21)cos(2121m2m121m2m1图5-13 单片通用集成化模拟乘法器VCC133T1T2T3T4T5T19VEEI011iy1T18iy2v1R14kR24kR94kR104k8456v1RyT6R55

5、00R4500R3500R8500R7500R6500T20T7T8I012I01279121110v2RxT10T11T9T12T13T14T15T16214v0i1i22121yx01c04vvvvvKRRIRR3I3R13I13VEERxRyvxvy+VCCR1RcRc+vo1214561011489123137MC1495/MC1595k8.135001017.0155007.033EE133IVRRxmaxxmax)(RVxik103xmaIxvymaxymax)(RVyik1031maxyIvk31029152331CC1IVVRk5)1010()10(1012121233yx3c

6、RRkIR)V(101Kvyvx32V10k1k1k5.1k15V RW24.7kRw14.7k10F15V0.1F13k10k Rw4 6.8k0.1F7 13 35 6 10 1191248114215k15k9.1k11k11kRw368k1M121kBG31415V15V121k100k15k13.3k30pFvo34910857F00610F)V(101v2i2D1D4D2D3+i1i3viiL1.2+ iL3.4RLB1B2+v 2+v 2+v 1+v 1+v2+v 1+D1D4D2D3+viRLB1B2v 1v 2+v 2v2i2D1D4D2D3+i1i3viiL1.2+ iL3.4RLB1B2+v 2+v 2+v 1+v 1 (5-25) (5-25)111n1111)12cos()12(4)1(5cos513cos31cos4)(ntnnttttS1 t11S(1 t)ttttVg1112m2DL5c