实验7MC和WC分析报告

1、实验报告实验中心电子信息技术实验教学中心专业年级2015级电子信息科学与技术实验课程电子电路CAD姓名实验名称实验7 MC和WC分析学号提交日期2018.5.7成绩一、实验目的1、使学生掌握蒙特卡罗分析和最坏情况分析的涵义；2 、使学生掌握蒙特卡罗分析和最坏情况分析的参数设置方法；3 、掌握直方图的调用方法。二、实验容1、按电路图1所示的连接，绘制电路。2、 对电路进行蒙特卡罗分析。分析电路中的每个电阻、电容对电压增益 幅频特性的 影响，说明那些元器件对 电压增益幅频特性的影响最大。绘制出电路带宽的直方图。电阻模型的设置(model Rbreak RES R=1 DEV=20% LOT=5%)

2、电容模型的设置(model Cbreak CAP C=1 DEV=10% LOT=5%)3、对电路进行最坏情况分析，绘制出电路的最坏情况和标称值的电压增益幅频特性。対5kLs.V-V+q图1 R1ui:Rbreak - PSpIce Model Editor - Model Text= 回 | S3 |Q File Edit View Model Plot Tools Window HelpCd d1 R C 匚面山巴心三 B B EX YJ閔妙以区-iEodel Rbreak RES R=1 de：v=2 Ci%r lo匸=5电ReadyNUM图2电阻的容差设置阖 uLCbreak PEpi

3、ce Model Editor Model TextFileWirt沖曰m 昆k 鬥.irodcl CtoEcafc CAT C1LOT-StI)pdate the graphNUM图3电容的容差设置Simulation Settings - kkG&ntr d. Aiiilysi E Coni.guf a.ti.on Files OptiCollfrcli n Fr4b Vi ndoAnilyii e typs：也匚Sweep T屮口色Linear0 LoQrithvnicDe cadeNoise AnatisisEnabled汕 t Fr queriesEnd FrequencyPwrit

4、s/r ecad&-Output File Opliorts-Include detailed tia? point infocmation foi nonlinear controlled sources and sem con duct are .OF确走删应用1 帮助图4交流分析Slmuhtion Settings - kkp ti cuns/ GaReral SettingsontE CarLo/lorst 匚Farmetric SqqpTmpritw-世 &电电pJSiva Bi sje F&intLcd Bi ajs Pomt* Monte Carlo Enable PSpioe

5、Msupport for legacyWorst-c-ase?5ensitivity Output vanable： v(out)Monte Carlo optionsNumber ol rins：Use distributinni unifmnn 丁Dtsbibufens.一一R andam nurfibef $ced:1 .327E7S av deta from All run?Ww stca $&7 S enrsibvi ty optionsx/ary device? that have both DEV and LOT tolerancesLimit devices to tpe(s：

6、_ Sae data fram ftach 总色fukMT IMrrR Affinriit确定取消应用知帮肋图5 MC的参数设置Mo niff Carlo/lA/orst-Case- Output File Options匚dialing FunctionThe col luting function is perforrried on an output variable (for aKample, V(111. The result is listed in the output .!_! T filu only.Find:the greatest difference iem the n

7、ominai run ffMAXjCcnfi guratioiL FilsOpti OusD*ta. Coll acti cnFrote Window(3nral ftjtiLysi 5T hresl-icrfd value:EvslMete anllyj when the ?weep variable i? in the range;Worst-匚耳丰穿 directionH iLaw1 List model paramstBr values in th& output file for each run分析结果统计方式设置对话框zbnac?图7 RC电路MC分析口 19 Lir Ei lE

8、JS壬* SI.UElKudu 叫a dzn-m- - iga左显肚妇itt We - IfijaiS笙肚虹le. 笠.刘闺- i.k szLin11图7 R1 3db截止频率的直方图由图7可知，它的频率变化围由15.9043到25.6191KhzC1匚0.47uR1VAr35kV-U1LF356/LT21 V- 5OUT 6outV+R45kV115Vdc2图8 对R2图9 RC电路MC分析C10.47uR135kV00C20.47uR3190RbreakU1LF356/LT 42*2-5outV+V-R45kdv+rV115VdcV2-15Vdc7、. V(out) / V(VIN1:+)

9、Freque ncy图12 RC电路MC分析40n samples=200mean=19.4676minimum=19.2977median=19.4443maximum=19.8197n divisions=10sigma=0.14023910th %ile=19.312990th %ile=19.67463*sigma=0.420716图13 R3 3db截止频率的直方图C1IIV+V-0图 14 R4Frequency图15 RC 电路MC分析Ban dwidth_Ba ndpass_3dB(V(out)/ V(VIN1:+)n samples二 200mea n=19.3642mi n

10、imum = 19.3642media n 二 19.3642maximum二 19.3642n divisio ns= 10sigma=010th %ile = 19.364290th %ile = 19.36423*sigma = 0图16 R4 3db截止频率的直方图由图16可知，它的频率变化围由 19.3642至U 19.3642KhzC11Vac0VdcV-15Vd 三V1图 17 C11.0Frequency. V(out)/ V(VIN1:+)图18 C1 RC 电路MC分析30n samples=200mea n=19.4641minimum=18.2466media n=19

11、.3572maximum=21.2989n divisio ns=10sigma=0.62207810th %ile=18.60990th %ile=20.21233*sigma=1.86623图19 C1 3db截止频率的直方图C1.47uR1V-Q1Vac0Vdc0少 R3190C2Cbreak0.47uU1outIIsR45k图 19 C2:j -. V(out)/ V(VIN1:+)Freque ncy图20 C2 RC 电路MC分析30n samples=200mea n=19.4642minimum=18.2461media n=19.3573maximum=21.301n div

12、isio ns=10sigma=0.62207310th %ile=18.608290th %ile=20.21193*sigma=1.86622图21 C2 3db 截止频率的直方图由图21可知，它的频率变化围由18.2451至U 21.301Khz,C1Cbreak0.47uR17Rbreak35kV-R2C2WIIRbreakCbreak19k0.47uU1LF356/LT 42TXV-v+outV+V-R3190RbreakR45kRbreakV+V1d V2J 15VdC-15Vdc图22最坏分析3Simulation Settings - iuAC Sw ep/ Hhi seOpt

13、ionsront e Cu*1q/Y or stPrametri c Sweep Temperature CSwetp) Save Eiis Foinl Ldai Bi a_E PointLimit devices lo 也口椁阖；Monte Carlo E nobte PS pice AA support for legacy a Wofst-case/Sensitivity Output triable: v(out) Monte Carb optionsCoii.fi .guration FlitsOp11onsProt- Window.Save data from each sensi

14、tivi tunMT IMrtR Shinns确走取消莘助图23最坏情况参数设置Monte Carlo/Wort-Ca&e Output File Options, SS Lst model parameter values in the output file For Meh run图 24WC分析的 more settingsV(out) / V(VIN1:+)Frequency图25输入、输出分析结果ill DEVIZES當*耳盅w鳶耳嚣ifrJi 瞌宝$* x单冷* w kf 1 k杠* 常載单肯W*n*it”耳席* 9t单*耳笛當耳蛙：k *比龍”耳嵐*KDELPAMErER)FVZ

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16、SS OF 7(OU?iTE題EiAT曲=27.000 DEC CVCRST CASE SUMAR?Mean Deviation =-. TEE】=nRUNMAX DEVIATION FROK NOMIBALWAR ST CiSS. ALL DEVirfS,7&?1 lvtr F =131.47(.L 2041 of HcMiiTial)JOB C01KLUD3PT*+m 04/28/13:38 k*+* PEp込m 16. 5. 0 (Ootobcr !0J2) *h* ID# G *+ PtafiLc f 17 SCHEMATIC l-iu G; 2C1bO7b*7122?huhuij r

17、c7qilui -ffpicciilcfVfchcmiticlxiu. fin 林料 JOE STaHSTECS aiWBYToi sl 1qT)time (sing Solver 1)=7. 07图26文本输出文件的部分容由图26可以看出最差情况时使用的NEW VALU栏记录的C1变为1.1F , C2变为0.9F ,R1 变为 800hz,R2 变为 1.2Khz,R3 变为 800hz,R4 变为 1Khz。而最后的 18.204% of Nominal表示输出信号最大值（YMAX ,与NOMINAL标准值）相较下，变化量为 18.204%。三、实验总结经过本次的实验，了解了蒙泰卡罗分析的概念和作用，分别对每个电阻和电容进行设 置，看他对增益的影响。找r和c要在breakout库里面找，