射頻阻抗匹配

實驗2阻抗匹配實驗目的：熟悉Smith原圖軟件與ADS軟件。掌握S參數仿真方法。掌握利用軟件實現阻抗匹配的方法。實驗內容：在Smith圓圖上進行如下的仿真，觀察S11在1-3GHz的幅頻特性與相頻特性，觀察S”。11在Smith圓圖上S-PARAMETERSS_ParamSP1Start=1.0GHzStop=3GHzStep=0.1GHzRR1F^25Ohm+才TermTermlNum=1Z=50Ohm圖1RR1F^25OhmS-RARAIVETERSS_RanamSP1Start=1GHzStop=3GHzStep=0.1GHzRR1F^25OhmLL1L=1.0rHR=RR1F^25OhmLL1L=1.0rHR=對于以上兩個電路，設計匹配電路，使得在2.4GHz時電路與50。匹配。實驗結果仿真圖:圖（1）實驗原理圖113回區(qū)IfreqS(1.1)113回區(qū)IfreqS(1.1)1.000GHz0.916/34.1591.100GHz0.901/37.2041.200GHz0.886/40.1621.300GHz0.870/43.0331.400GHz0.855/45.8171.500GHz0.839/48.5131.600GHz0.823/51.1231.700GHz0.808/53.650■1.800GHz0.793/56.0941.900GHz0777/58.4582.000GHz0763/60.7442.100GHz0.748J62.9572.200GHz0.735/65.0972.300GHz0721/67.1682.400GHz0.708/69.1732.500GHz0.695/71.1142.600GHz0.683/72.9952.700GHz0.671/74.8172.800GHz0.660/76.5832.900GHz0.649J78.2963.000GHz0.638i79.958shiyan2[page1]:9FileEditViewInsertMarkerHistoryPageOptionsToolsHelp頊曰曲畫IdI%*倒切可旬霉辿區(qū)I||shivan2|3h1IjJ|ii1I>||±||h1I回閩回回|g|"BIWAvNIw"||shivan2|圖（2）匹配電路參數SHU-T[25.0-j66.3]O(25.0-j24.2)OIM8.5+j0.3]OliDP-Nr.1DP-Nr.2DP-Nr.3圖（3）smith圓圖圖（4）匹配后的電路圖圖（5）實驗原理圖2Ltnmpfreq頊1,1)■1.000GHz0.342/161.1031.100GHz0.344/159.2811.200GHz0.346/157.476■1.300GHz0.349/155.691■1.400GHz0.351/153.9261.500GHz0.353/152.1821.600GHz0.356/150.459■1.700GHz0.359/148.7601.800GHz0.362/147.0831.900GHz0.365/145.4302.000GHz0.368/143.8022.100GHz0.371/142.1982.200GHz0.375/140.6182.300GHz0.378/139.0632.400GHz0.382/137.5342.5UUGHz0.385i'136.0292.600GHz0.389/134.5492700GHz0.393/133.0942.800GHz0.397/131.6642.900GHz0.401/130.2583.000GHz0.405/128.877freq,GHzfreqi：：1.000GHito3.000GHz)圖（6）匹配電路參數200.0■5i：n：i.i：■1OCi.O：0,0040.08,SERIES■0-01LINE0.04SHUNTLINETRANSF.VSWRMTAPDINllOK歸0.4042.59???j15.1]dj24.8]OIjO.O]OhiDP-Nr.1DP-Nr.2DP-Nr.30.0125-jO.0050PointsEF開始圖（7）smith圓圖|融.SrPARAMETERSS__Param'SRI————Start=1.i3GHz-St<ip=36Hz.St.ep=r0.1GHz."Term'■Tt：rmS__Param'SRI————Start=1.i3GHz-St<ip=36Hz.St.ep=r0.1GHz."Term'■Tt：rm4-Num=1.Z=50OhrI—■C1..,LpFL2■■■L=33nH■8=...R???R1.