[畢業(yè)設(shè)計(jì)精品]小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及multisim軟件仿真

錯誤未指定書簽。A11A2A317A2摘要小功率調(diào)幅發(fā)射機(jī)常用于通信系統(tǒng)和其它無線電系統(tǒng)中，特別是在中短波廣播通信的領(lǐng)域里更是得到了廣泛應(yīng)用。原因是調(diào)幅發(fā)射機(jī)實(shí)現(xiàn)調(diào)幅簡便，調(diào)制所占的頻帶窄，并且與之對應(yīng)的調(diào)幅接收設(shè)備簡單，所以調(diào)幅發(fā)射機(jī)廣泛地應(yīng)用于廣播發(fā)射。本課設(shè)結(jié)合MULTISIM軟件來對小功率調(diào)幅發(fā)射機(jī)電路的設(shè)計(jì)與調(diào)試方法進(jìn)行研究。MULTISIM軟件能實(shí)現(xiàn)從電學(xué)概念設(shè)計(jì)到輸出物理生產(chǎn)數(shù)據(jù)，以及這之間的所有分析、驗(yàn)證、和設(shè)計(jì)數(shù)據(jù)管理。使用MULTISIM等計(jì)算機(jī)軟件對產(chǎn)品進(jìn)行輔助設(shè)計(jì)在很早以前就已經(jīng)成為了一種趨勢，這類軟件的問世也G7509G3835地G6564G20652了設(shè)計(jì)G1166G2604在機(jī)G7812、電G4388等行G1006的產(chǎn)品設(shè)計(jì)G17148G18339與G6940率。本課G20076的設(shè)計(jì)G11458的是G16213G8726G6496G6581G7380G3534本的小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與G4445G16025對G2520G13435電路進(jìn)行G16826G13466地G6518G16764，并G2045用MULTISIM軟件G1235G11507設(shè)計(jì)了一G1022小功率調(diào)幅發(fā)射機(jī)。畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA12A2A317A24/10/2012目錄A0A41A5A6A7A8A9A10A11A12A13A14A15A4A161A17A18A17A8A9A10A11A19A13A14A201A17A18A21A8A9A22A23A19A4A161A5A24A7A25A26A27A28A29A30A31A32A33A34A35A36A372A21A18A17A38A39A40A41A42A43A44A45A46A47A48A49A502A51A52A51A53A54A55A56A57A58A592A60A61A62A63A64A65A46A66A67A49A50A57A65A683A69A52A70A71A72A733A69A52A51A74A75A734A69A52A69A76A77A734A69A52A78A79A80A41A81A82A835A69A52A84A85A86A76A776A60A87A62A82A83A88A89A90A65A687A78A52A70A91A92A93A947A78A52A51A88A89A95A96A979A78A52A69A88A89A41A9812A91A99A100A10113A102A10314A104A10515錯誤未指定書簽。A1061A107A10817A107第一章設(shè)計(jì)目的、任務(wù)和要求11設(shè)計(jì)目的與任務(wù)學(xué)生通G17819理G16782設(shè)計(jì)和實(shí)物制G1328G16311G1927G11468應(yīng)的實(shí)G19481問G20076，G5053G3278和G17828用在G457通信電G4388線路G458中所學(xué)的理G16782G11705G16794和實(shí)驗(yàn)G6228能，G6496G6581通信電G4388系統(tǒng)的一G14336設(shè)計(jì)方法，G6564G20652設(shè)計(jì)能G2159和實(shí)G17353G2172G6175能G2159，為以G2530從G1119電G4388電路設(shè)計(jì)、研發(fā)電G4388產(chǎn)品G6183G991G14403G3921的G3534G11796。12設(shè)計(jì)內(nèi)容與要求121設(shè)計(jì)內(nèi)容G20G17小功率調(diào)幅發(fā)射系統(tǒng)G3設(shè)計(jì)一G1022小功率調(diào)幅發(fā)射系統(tǒng)。G16213G8726為G3G25G48G43G93G3的中G5527頻率，頻G12295G5242510G3，輸出調(diào)幅波功率G3G51G19G80G68G91G3G305G21G19G19G80G58，調(diào)制系數(shù)G3G305G24G19G3G8，G2265G13488G993G3845G11507。G3122設(shè)計(jì)要求A109A110A111A112A113A114A115A116A117A118A119A120A121A122A115A116A123A124A110A125A126A127A128A129A130A131A132A133A134A115A135A136A137A138A139A140A141A142A117A143A144A115A116A145A136A137A146A147A148A110A149A150A151A135A123A152A110A153A154A155A156A157A158A159A160A117A161A144A136A137A130A133A162A117A161A144A126A147A130A133A163A162A123A164A110A136A137A165A166A167A141A168A123A169A110A147A148A170A171A172A163A123A173A110A174A175A176A177A167A141A174A141A177A141A178A179A117A111A112A180A141A115A116A145A130A133A181A182A183A180A184畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA1852A186A18717A1864/10/2012第二章總體方案介紹及工作原理說明21小功率調(diào)幅發(fā)射機(jī)的系統(tǒng)設(shè)計(jì)調(diào)幅發(fā)射機(jī)G1039G16213G2265G6336G989G1022G13464成G18108分G29G20652頻G18108分、G19911頻G18108分和電G9316G18108分。G8504G3282G11477G2447了電G9316這一G18108分。G3發(fā)射機(jī)的G1039G16213G1328用是G4448成有用的G1314頻信G2507對G20652頻信G2507的調(diào)制，G4570其G2476為在G7588一G1022中G5527頻率G990G1867有一G4462帶G4497、G17878合通G17819G3837線發(fā)射出G2447的電G11925波。G3調(diào)幅發(fā)射機(jī)通常G11013G1039G6403G13435、G13543G1926G13435、G1505頻G13435、中間G6930G3835G13435、G6403幅調(diào)制、G19911頻G6930G3835和輸出G13605G13488G13464成。G7693據(jù)設(shè)計(jì)G16213G8726，G17745波頻率G73G32G20G19G48G43G93G3，G1039G6403G13435G18331用G16211G2214G6403G14645電路，輸出的G17745波的頻率G2499以G11464接G9397G17287G16213G8726，G993需G16213G1505頻器。系統(tǒng)原理G3282如G3282G21G17G20所示G3A188A189A190A191A192A193A194A195A196A197A198A199A200A201A202A203A204A205A18822工作原理及說明G3282G21G20中，G2520G13464成G18108分的的G1328用如G991G3G6403G14645G13435產(chǎn)生頻率為G25G48G43G93的G17745波信G2507。G3G13543G1926G13435G4570晶體G6403G14645G13435與調(diào)制G13435隔離，減小調(diào)制G13435對晶體G6403G14645G13435的影響。G3G19911頻G6930G3835G13435G4570話筒信G2507電壓G6930G3835到調(diào)制G13435所需的調(diào)制電壓。G3功G6930以及調(diào)幅G13435增G3835G17745波輸出功率，G4570話G19911信G2507調(diào)制到G17745波G990，產(chǎn)生已調(diào)波。G3輸出G13605G13488G13435對前G13435送來的信G2507進(jìn)行功率G6930G3835，通G17819G3837線G4570已調(diào)G20652頻G17745波電流以電G11925畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA2063A207A20817A2074/10/2012波的形式發(fā)射到空間。G3第三章各部分的具體設(shè)計(jì)及分析31主振級G1039G6403G13435是調(diào)幅發(fā)射機(jī)的核G5527G18108件，G1039G16213用來產(chǎn)生一G1022頻率G12295G4462、幅G5242較G3835、波形G3845G11507小的G20652頻正弦波信G2507G1328為G17745波信G2507。G20652頻電G4388線路所G16764G16782的工G1328頻率是幾百千赫到幾百兆赫，而課程設(shè)計(jì)所設(shè)計(jì)的G7380G20652頻率受到實(shí)驗(yàn)條件的限制，一G14336選在3G19兆赫以G991。G3G1039G6403器就是G20652頻G6403G14645器，G7693據(jù)G17745波頻率的G20652G1314，頻率G12295G4462G5242來確G4462電路型式。該電路通常G18331用晶體管LC正弦波G6403G14645器。常用的正弦波G6403G14645器G2265G6336電容G989點(diǎn)式G6403G14645器即克拉潑G6403G14645器、G16211G2214G6403G14645器。G3本G13435是用來產(chǎn)生G25G48G43G93左右的G20652頻G6403G14645G17745波信G2507，G11013于整G1022發(fā)射機(jī)的頻率G12295G4462G5242G11013G1039G6403G13435G1927G4462，因G8504G16213G8726G1039G6403G13435有較G20652的頻率G12295G4462G5242，同時也G16213有一G4462的G6403G14645功率，其輸出波形G3845G11507較小。為G8504，這里我G18331用G16211G2214G6403G14645電路，G2499以G9397G17287G16213G8726，電路G3282如G32823G20所示。如G3282G16211G2214G6403G14645器電路所示RA209RA210RA211G6564供偏置電壓使G989G7509管工G1328在G6930G3835區(qū)。G3畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA2064A207A20817A2074/10/2012G3A188A212A190A191A213A214A215G332緩沖級為了減少G2530G13435對G1039G6403G13435G6403G14645電路G6403G14645頻率的影響，G18331用G13543G1926G13435。G1039G6403G13435與G13543G1926G13435聯(lián)調(diào)時會出現(xiàn)G13543G1926G13435輸出電壓明顯減小或波形G3845G11507的情況，G2499通G17819增G3835G13543G1926G13435的射G7509電阻R8來G6564G20652G13543G1926輸入G13435輸入阻抗，也G2499通G17819減小CG25，即減小G1039G6403G13435與G13543G1926G13435的耦合來實(shí)現(xiàn)，同時負(fù)G17745R9也會對G13543G1926的輸出波形也有很G3835影響。電路G3282如G32823G21所示。G3畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA2065A207A20817A2074/10/2012G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3A188A212A190A189A216A217A21533放大級無線通信中信G2507傳輸?shù)木嚯xG1927G4462于發(fā)射機(jī)的功率，因G8504發(fā)射機(jī)的功率G16213G8726盡G2499能的G3835，整體G6940率G16213盡G2499能地G20652，G1039G16213G1927G4462于末G13435功G6930的G6940率，故G6930G3835G13435一G14336G18331用丙類或丁類G6930G3835器。故電路G3282如G328233所示。G3G3A188A212A190A212A218A219A215G3畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA2066A207A20817A2074/10/201234AM調(diào)制電路G3AG48調(diào)制電路是為了實(shí)現(xiàn)調(diào)幅，輸出G13605路功G6930G13435工G1328在丙類工G1328狀態(tài)，故輸出波形G993G2499避免產(chǎn)生了G3845G11507，為了濾除諧波，輸出G13605G13488應(yīng)有濾波性能。調(diào)幅是使G20652頻G17745波信G2507的G6403幅隨調(diào)制信G2507的瞬時G2476化而G2476化。也就是說，通G17819用調(diào)制信G2507來改G2476G20652頻信G2507的幅G5242G3835小，使得調(diào)制信G2507的信息G2265含入G20652頻信G2507之中，通G17819G3837線把G20652頻信G2507發(fā)射出G2447。調(diào)幅器G2499分為G20652電平調(diào)幅和G1314電平調(diào)幅G3835功率廣播和通信多G18331用G20652電平調(diào)平，這種調(diào)幅機(jī)輸出功率G3835、G6940率G20652；G17745波電話機(jī)和G2520種電G4388儀器多G18331用G1314電平調(diào)幅，它們對輸出功率和G6940率G16213G8726G993G20652，G2499以選用調(diào)幅特性較G3921的電路中。常見的調(diào)幅方法G1039G16213有乘法器調(diào)幅、開關(guān)型調(diào)幅電路、晶體管調(diào)幅電路，其中晶體管調(diào)幅又分為G3534G7509調(diào)幅、集電G7509調(diào)幅。本課程設(shè)計(jì)G18331用二G7509管平衡電路進(jìn)行調(diào)幅，二G7509管平衡電路也是G7380簡單的調(diào)制電路并且本設(shè)計(jì)對輸出功率G16213G8726G993G20652。G19911頻信G2507和G17745波信G2507分別通G17819G2476壓器TG20、T3輸入到調(diào)制電路，然G2530經(jīng)二G7509管進(jìn)行調(diào)制，G7380G2530經(jīng)LC諧G6403回路輸出調(diào)制結(jié)果。電路G3282如G328234所示。G3G3G3G3G3A188A212A190A220A221A222A195A223A224A22535音頻放大本課程設(shè)計(jì)中，G19911頻信G2507用如G32823G24所示的電壓G9316代替，G18331用33G244BG48G17828算G6930G3835器進(jìn)行功率G6930G3835。G3畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA2067A207A20817A2074/10/2012G3A188A212A190A226A227A228A218A219A224A225第四章電路仿真與分析41參數(shù)選擇411振蕩級的計(jì)算已G11705條件VCCG32G20G21V，G73OG32G25G48G43G93，選擇的晶體管型G2507是3DG42G20G21BG708G1235G11507是實(shí)選與其G11468G17829的D4G21CG20G21G709，其G6930G3835G1505數(shù)G163G32G24G19，G44A229A230G323G80A，VA229A231A230G32G25VG15VA231A230G32G19G17G21VA229A229G17G1393據(jù)電路計(jì)算G3R3G32G3G11VA229A231A230G3VA231A230G12G18G3G44A229A230G32G11G20G21G25G19G17G21G104G20G21G12VG183G104310G80AG32G20G17G21G46A232G15G3G3R4G32VA231A230G18G44A229A230G32G19G17G21G104G20G21VG183G104310G80AG328G19G19G161G17G3G44A233A230G32G44A229A230G18G163G323G80AG18G24G19G32G19G17G19G25G3G80AG15G3G3RG20G32VA233A230G18G20G19G44A233A230G32G11VA231A230G14G19G17G26G12VG18G20G19G104G19G17G19G25G104310G80AG32G24G17G20G46G161G15G3RG21G32VA229A229VA233A230G18G20G19G44A233A230G32G11G20G213G17G20G12VG18G19G17G25G104310G80AG32G20G24G46G161G15G3因?yàn)镚3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G34331211114CCCCCCCG258G258G258G258G258G2584G17G20G3畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA2348A235A23617A2354/10/2012且G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G34321210CCLLCFPIPIG3G3G3G3G3G3G3G3G3G3G3G258G258G258G258G258G2584G17G21G3CG24為G7061路電容，G2474CG24G3233G3G81G41G3G15又12CCG993能G3838小，RG83G2476G3835，G6403幅增G3835，波形受限，會增G2164輸出波形的G20652G8437諧波，12CCG3838G3835，又G993能G4448G1852G15929G1619G6403G14645電路G6451G13803，而G1584G6403，故G247412CCG32G21。CG20G323G19G19G3G83G41G3G15CG21G32G25G21G19G3G83G41。G3故有G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3202143FLCCPIG321610037G3G3G3G258G258G258G258G258G2584G173G3G2474LG20G328G173G43G15G3CG21G32G24G19G3G83G41G3，G2029G2499G2476電容應(yīng)G2474G21G193G25G19G3G83G41G3。G3412緩沖級的計(jì)算G1039G6403G13435與G13543G1926G13435聯(lián)調(diào)時會出現(xiàn)G13543G1926G13435輸出電壓明顯減小或波形G3845G11507的情況，G2499通G17819增G3835G13543G1926G13435的射G7509電阻R8來G6564G20652G13543G1926輸入G13435輸入阻抗，也G2499通G17819減小CG25，即減小G1039G6403G13435與G13543G1926G13435的耦合來實(shí)現(xiàn)，同時負(fù)G17745R9也會對G13543G1926的輸出波形也有很G3835影響。G3G11013于射G13435輸出器G1867有輸入阻抗G20652，輸出阻抗G1314，電壓G6930G3835G1505數(shù)G17829G1296等于G20，晶體管的G19757態(tài)工G1328點(diǎn)應(yīng)G1313于G1144流負(fù)G17745線的中點(diǎn)，G2474VA237A238A239G3G32VA237A237G18G21G15G3G44A237A239G32G113G20G19G80AG12，G2029G2474VA237A238A239G3G32G25VG15G3G44A237A239G324G80AG15G3選晶體管D4G21CG20G21，G163G32G25G19所以有G3RG26G14R8G32VA237A238A239G18G44A237A239G32G25VG18G24G104310G80AG32G20G17G24G46A240A241G2474RG26G32G20G46A240電阻，R8G32G20G46A240電G1313器。G3RG24G32VA242A239G18G20G19G44A242A239G32G11VA238A239G14G19G17G26G12VG18G20G19G104G19G17G19G25G104310G80AG32G20G19G46G161G15G3RG25G32VA237A237VA242A239G18G20G19G44A242A239G32G11G20G213G17G20G12VG18G19G17G25G104310G80AG32G26G179G46G161，G2474RG25G32RG24G32G20G19G46G161G3413放大級電路的計(jì)算已G11705條件G3CCVG32G20G21V，G73OG32G25G48G43G93，輸出調(diào)幅波功率OPG19G17G21G58，G32060，0050AMG3MAXCPG3221AOMPG32250120G32G19G17G1989G58G3選晶體管3DG42G20G21G708G1235G11507是選用G48G45G58G20G25G19G20G21G709，VUCES60G15MWPCM700G15MAICM300G15G16330，MHZFT150，為了G14731得較G20652的輸出G6940率，選丙類功率G6930G3835器在G17745波點(diǎn)于G1032G11040狀態(tài)，G32060，G2499G11705G3諧G6403回路G7380G1351負(fù)G17745電阻PR為G3PRMAX22CCCPVG3208902122G32G2643G3G15G3G3得集電G7509G3534波電流IMC1G6403幅為G3畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA2439A244A24517A2444/10/2012IMC1G32PCRPMAX2G3274308902G32G20G24G1748G80A，G3得集電G7509電流G14045G1926G7380G3835G1552ICM及其G6915流分G18339ICO為G3ICMG3211IMCG3240015480G3238G17G259G25G80AG15G3G3ICOG320ICMG32G19G17G21G2038G17G259G25G328G17G20G21G25G80A，G3得電G9316供G13485的G11464流功率為G3PDG32ICOG3CCVG32G19G17G19G198G20G21G2512G329G26G17G24G80G58，G3得集電G7509G13803G6967功率為G3PCG32PDPOG32G19G178G218G19G17G26G204G328G80G58，G3設(shè)G6930G3835G13435增G11422PAG32G203G71BG708G21G19G1505G709，輸入功率為G3PIAPP0G324G174G24G80G58G15G3得G6930G3835G13435的輸入阻抗BBIRRG32G21G24G3得本G13435輸入電壓的G6403幅VPRVIII4702G3G3計(jì)算諧G6403回路及耦合回路的G2454數(shù)，輸出G2476壓器線G3292G2289數(shù)G8616為G325023PLRRNNG708設(shè)負(fù)G17745LRG709，G24743NG32G21，2NG3G32G24G17G14521G2474集電G7509并聯(lián)諧G6403回路的電容CG32G25G19G83G41，得回路電G5875為G3G3LG32CF2021PIG32G20G21G43，G3G3G247411CG32G19G17G19G20G41，2LG324G26G43，12CG32G19G17G19G20G41G15G313CG32G19G17G19G20G41G15G310CG32G19G17G19G20G41G15G33LG32G21G17G21G43G3CG328CG149CG32G25G19G83G41G15G24748CG323G19G3G83G41，9CG32G33G193G25G19G83G41。G3414AM調(diào)制電路的計(jì)算G3濾波回路的計(jì)算G3有G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3LCFPI21G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G258G258G258G258G258G2584G174G3畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA24610A247A24817A2474/10/2012故G3LCG322021FPIG321510421G3G3G3G3G3G3G3G3G3G3所以G2474CG20G323G193G25G19G83G41，LG20G32G20G193G19G43G17G3415音頻級電路的計(jì)算G3本G13435電路計(jì)算G2454G10043G16886G14270G13666G17G3電G4388線路設(shè)計(jì)G103實(shí)驗(yàn)G103G8991試G11G12544G989G10268G12G12544G24G17G26G14422設(shè)計(jì)G1042G1375。G342仿真結(jié)果,G1235G11507G3282如G32824G20所示G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3A249A250A251A252G1235G11507G3282如G32824G21所示G3G3A249A250A251A253G3G1235G11507G3282如G328243所示G3畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA25411A255A317A2554/10/2012G3A249A250A251A7G3G1235G11507G3282如G328244所示G3G3A249A250A251A250G3G1235G11507G3282如G32824G24所示G3畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA25412A255A317A2554/10/2012G3A249A250A251A8G343仿真調(diào)試從G1039G6403G13435出發(fā)，一G8505一G8505進(jìn)行調(diào)試，G11705G17959G8611一G18108G3534本G12538合G16213G8726的情況G991G1889進(jìn)行G991一G8505G13435聯(lián)，調(diào)試的G2530G7380G13468G8821有得到調(diào)幅波，G2499能是G11013于G19911頻信G2507G5190G6212G3838，并且在G1235G11507軟件中所用的G1815件與計(jì)算所G16213G8726的G993G9397G17287，G2494是接G17829，G2476壓器G2289數(shù)也G993G2499G2476。G3整機(jī)調(diào)試故G19568分析G3G1039G6403G13435與G13543G1926G13435聯(lián)調(diào)時G13543G1926G13435輸出電壓明顯減小或波形G3845G11507的情況。產(chǎn)生的G1039G16213原因是G13543G1926G13435的輸入阻抗G993G3827G3835，使G1039G6403G13435負(fù)G17745G2164G18337。這G2499通G17819增G3835G13543G1926G13435的射G7509電阻R8來G6564G20652G13543G1926輸入G13435輸入阻抗，也G2499通G17819減小CG25，即減小G1039G6403G13435與G13543G1926G13435的耦合來實(shí)現(xiàn)。G3本機(jī)G6403G14645G13435、G13543G1926G13435、話G16833G6930G3835G13435以及調(diào)制G13435聯(lián)調(diào)時，G5460G5460會出現(xiàn)G17819調(diào)幅現(xiàn)G16949。產(chǎn)生的原因G2499能是經(jīng)射G13435G17331隨器輸出的本G6403電壓VA4偏小或G13785是話G19911G6930G3835G13435輸出的調(diào)制電壓VA5G17819G3835。調(diào)整話G19911G6930G3835G13435增G11422，以G9397G17287調(diào)幅G5242MG68G32G24G19G8的G6228G7427G6363G7643G16213G8726。G16213G13796G5527的調(diào)試，G3G3G3G3G3G3G3G3畢業(yè)設(shè)計(jì)精品小功率調(diào)幅發(fā)射系統(tǒng)的設(shè)計(jì)與安裝及MULTISIM軟件仿真DOCA25413A255A317A2554/10/2012G3G3G3G3G3G3G3G3G3G3G3參考文獻(xiàn)G62G20G64G3G7373G6177開G17G3G20652頻電G4388線路原理與實(shí)G17353G17G3G9258G2347中G2347G3835學(xué)出G10268G12050，G21G19G20G19G3G62G21G64G3G5259G1821G2338G17G3電G4388G6228G7427G3534G11796G103G8181G6323G18108分G11G12544G1128G10268G12G17G3G2283G1152G20652等G6957G13958出G10268G12050，G3G21G19G19G25G3G3G623G64G3G16886G14270G13666G17G3電G4388線路設(shè)計(jì)G103實(shí)驗(yàn)G103G8991試G11G12544G989G10268G12G17G3G8506G8733G2338中G12197G6228G3835學(xué)出G10268