實(shí)驗(yàn)7MC和WC分析報(bào)告

1、實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)中心電子信息技術(shù)實(shí)驗(yàn)教學(xué)中心專業(yè)年級(jí)2015級(jí)電子信息科學(xué)與技術(shù)實(shí)驗(yàn)課程電子電路CAD姓名實(shí)驗(yàn)名稱實(shí)驗(yàn)7 MC和WC分析學(xué)號(hào)提交日期2018.5.7成績(jī)一、實(shí)驗(yàn)?zāi)康?、使學(xué)生掌握蒙特卡羅分析和最壞情況分析的涵義；2 、使學(xué)生掌握蒙特卡羅分析和最壞情況分析的參數(shù)設(shè)置方法；3 、掌握直方圖的調(diào)用方法。二、實(shí)驗(yàn)容1、按電路圖1所示的連接，繪制電路。2、 對(duì)電路進(jìn)行蒙特卡羅分析。分析電路中的每個(gè)電阻、電容對(duì)電壓增益 幅頻特性的 影響，說(shuō)明那些元器件對(duì) 電壓增益幅頻特性的影響最大。繪制出電路帶寬的直方圖。電阻模型的設(shè)置(model Rbreak RES R=1 DEV=20% LOT=5%)

2、電容模型的設(shè)置(model Cbreak CAP C=1 DEV=10% LOT=5%)3、對(duì)電路進(jìn)行最壞情況分析，繪制出電路的最壞情況和標(biāo)稱值的電壓增益幅頻特性。対5kLs.V-V+q圖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閔妙以區(qū)-iEodel Rbreak RES R=1 de：v=2 Ci%r lo匸=5電ReadyNUM圖2電阻的容差設(shè)置闔 uLCbreak PEpi

3、ce Model Editor Model TextFileWirt沖曰m 昆k 鬥.irodcl CtoEcafc CAT C1LOT-StI)pdate the graphNUM圖3電容的容差設(shè)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確走刪應(yīng)用1 幫助圖4交流分析Slmuhtion Settings - kkp ti cuns/ GaReral SettingsontE CarLo/lorst 匚Farmetric SqqpTmpritw-世 &電電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 總色fukMT IMrrR Affinriit確定取消應(yīng)用知幫肋圖5 MC的參數(shù)設(shè)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-匚耳豐穿 directionH iLaw1 List model paramstBr values in th& output file for each run分析結(jié)果統(tǒng)計(jì)方式設(shè)置對(duì)話框zbnac?圖7 RC電路MC分析口 19 Lir Ei lE

8、JS壬* SI.UElKudu 叫a dzn-m- - iga左顯肚婦itt We - IfijaiS笙肚虹le. 笠.劉閨- i.k szLin11圖7 R1 3db截止頻率的直方圖由圖7可知，它的頻率變化圍由15.9043到25.6191KhzC1匚0.47uR1VAr35kV-U1LF356/LT21 V- 5OUT 6outV+R45kV115Vdc2圖8 對(duì)R2圖9 RC電路MC分析C10.47uR135kV00C20.47uR3190RbreakU1LF356/LT 42*2-5outV+V-R45kdv+rV115VdcV2-15Vdc7、. V(out) / V(VIN1:+)

9、Freque ncy圖12 RC電路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圖13 R3 3db截止頻率的直方圖C1IIV+V-0圖 14 R4Frequency圖15 RC 電路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圖16 R4 3db截止頻率的直方圖由圖16可知，它的頻率變化圍由 19.3642至U 19.3642KhzC11Vac0VdcV-15Vd 三V1圖 17 C11.0Frequency. V(out)/ V(VIN1:+)圖18 C1 RC 電路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圖19 C1 3db截止頻率的直方圖C1.47uR1V-Q1Vac0Vdc0少 R3190C2Cbreak0.47uU1outIIsR45k圖 19 C2:j -. V(out)/ V(VIN1:+)Freque ncy圖20 C2 RC 電路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圖21 C2 3db 截止頻率的直方圖由圖21可知，它的頻率變化圍由18.2451至U 21.301Khz,C1Cbreak0.47uR17Rbreak35kV-R2C2WIIRbreakCbreak19k0.47uU1LF356/LT 42TXV-v+outV+V-R3190RbreakR45kRbreakV+V1d V2J 15VdC-15Vdc圖22最壞分析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 也口槨闔；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確走取消莘助圖23最壞情況參數(shù)設(shè)置Monte Carlo/Wort-Ca&e Output File Options, SS Lst model parameter values in the output file For Meh run圖 24WC分析的 more settingsV(out) / V(VIN1:+)Frequency圖25輸入、輸出分析結(jié)果ill DEVIZES當(dāng)*耳盅w鳶耳囂ifrJi 瞌寶$* x單冷* w kf 1 k杠* 常載單肯W*n*it”耳席* 9t單*耳笛當(dāng)耳蛙：k *比龍”耳嵐*KDELPAMErER)FVZ

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17、c7qilui -ffpicciilcfVfchcmiticlxiu. fin 林料 JOE STaHSTECS aiWBYToi sl 1qT)time (sing Solver 1)=7. 07圖26文本輸出文件的部分容由圖26可以看出最差情況時(shí)使用的NEW VALU欄記錄的C1變?yōu)?.1F , C2變?yōu)?.9F ,R1 變?yōu)?800hz,R2 變?yōu)?1.2Khz,R3 變?yōu)?800hz,R4 變?yōu)?1Khz。而最后的 18.204% of Nominal表示輸出信號(hào)最大值（YMAX ,與NOMINAL標(biāo)準(zhǔn)值）相較下，變化量為 18.204%。三、實(shí)驗(yàn)總結(jié)經(jīng)過(guò)本次的實(shí)驗(yàn)，了解了蒙泰卡羅分析的概念和作用，分別對(duì)每個(gè)電阻和電容進(jìn)行設(shè) 置，看他對(duì)增益的影響。找r和c要在breakout庫(kù)里面找，