1、 整 流 电 路09 电信本一班 姓名:吴忠兵 学号:90514032一,半波整流电路.Rf1kR1kR11kAOPAMP_3T_VIRTUALD11N1202CD21N1202CXFG11304XSC1A BExt Trig+_ + _02500Title:Designed by:Checked by:Approved by:Document No:Date:Sheet ofRevision:Size:值值值值值 值值值值值值值值 00012012-02-241 11.0ADesc.:Electronics Workbench801-111 Peter StreetToronto, ON M
2、5V 2H1(416) 977-5550NP U0Uii1i2U0NI MULTISIM 上的原理图1,工作原理:UN=UP=0(虚短)i1=i2(虚断)当 Ui0 时U00D1 导通,D2 截止i2=0U0=02,仿真波形注:蓝色线条是 U0 的波形,红色线条是输入 Ui 的波形,下同二,精密全波整流电路.XFG1R11kR21kR31kR41kR52kR61kD11N1202CD21N1202CU1OPAMP_3T_VIRTUALU2OPAMP_3T_VIRTUAL20437XSC1A BExt Trig+_ + _01 0 0U0U0Ui 5608Title:Designed by:Ch
3、ecked by:Approved by:Document No:Date:Sheet ofRevision:Size:值值值值值值值值 值值值值值值值值值值值 00012012-02-201 11.0ADesc.:Electronics Workbench801-111 Peter StreetToronto, ON M5V 2H1(416) 977-5550,1,工作原理:UN=UP=0(虚短)i1=i2(虚断)U0=-U0-Ui当 Ui0 时U00D1 导通,D2 截止i2=0U0=0- Ui = -Ui2,仿真波形信号源是正弦波信号源是三角波三,绝对值整流电路.XFG1R11kR51k
4、0R71kD11N1202CR31k0XSC1A BExt Trig+_ + _0 01Title:Designed by:Checked by:Approved by:Document No:Date:Sheet ofRevision:Size:值值值值值 值值值值值值值值 00012012-02-201 11.0ADesc.:Electronics Workbench801-111 Peter StreetToronto, ON M5V 2H1(416) 977-5550N2P2UiU0N1P1U0U2OPAMP_3T_BASIC37U1OPAMP_3T_BASIC425精密全波整流电路原理图1,工作原理UN=UP(虚短)i1=i2(虚断)当 Ui0 时U00D1 导通i2=0UP1=UN2=0;所以: U0=-Ui*R5/R1=-Ui综上 U0=|Ui|2,仿真波形信号源是正弦波信号源是三角波