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12LC31(1)(VCO)PIN)4(2)••5(3),62——LC1LC,2LCLCLC731.2.3.,8LCCLrR1Rr9)(1)(1111)(00000jQRLRjRLjCjRjZ0(002111QLCCRrLQ00QQ101LC102002)(1)(QRZ)(arctan00Qz11A.RGCQLQCrLRRGY0000001)(CLLC001B.U0RIU12D.QRRLIjQLjRILjVI000RRCIjQRICjVCjI000C.LCRTVCVQ/222RCRLRCLrLQ00013E.F.G.)(1)(1111)(00000jQRLRjRLjCjRjZ0000002))(()(QQQjSeQVjQVjQGIV2000000)2(1)(21)()(21/)(02arctanQ014••15abQ=13dBQff2BW00.70.71f16Qab1,kr0.1=9.967.01.0221.0ffkr11.0rk11.0rk1.0rk17ab••cd000)(0)(0020Qdd6002)(Q)(th()xxx18L0.70700'11QRRLRQLPPL191CL0CL023LCQLCQ201.LC2.3.4.2122R(LC)X1X2R’X1X2LC1.LC23wCRRC2V221112VCpVCCR2221212221''LLLLLVVVRRRRRVpp124wLRLRLL2V22221212221''LLLLLVVVRRRRRVpRLpMLLMLVV221212pLLLVV212122p2522LISISULISISU2P1L263p272.1201)(1)(2121VLjCCjgVCjIVCjVLjCCjgMMsMM282)1()(11/1)(22222200022222jgIjgCgjgCjCLjCCjgICjVsMMMMsMMMCCCk)(10MCCLLkQLgLgQL11029(1)h1(2)h115.3,21.007.0rLKQfBW(3)h1h2.41-3dBLQfBW07.01.3aff0h1h=1h12130300,75,15,521LsRRpFCpFCN1~3/N2~3?:RLRLRLRSRL’’LLLLRRCCCpRR16)('2121218753001616)(16')('''3~23~123~13~223~13~222sLsLLLLRRNNRRNNRNNRpR31////PgLRRRR0LRQLgLCCCCPRgRgCLCgICLLR322222222111(1)(1)||||ppsssspsespssssepssspsespRjXRjXRXRRQRRRRXRQXXXXRXQRX3.LTp33L-I(RsRL)221(1),(1),psspsLspsLsppRXRRRRQXXQQRXXRL,Rs1sLRQR,/sLpsXQRXRQRsRL34L-IIRsRL222,,11LsLsspspspRQXRRrXXQQQRXRL,Rs1LsRQR,/sspLXQRXRQRsRL35TTLL36L2222222222'12'2'22221222(1),||/0,(1),/pLppLepCeecLLpepLeceLLppeRRRRRQXXQQXRXXRRRQXQRXXRQ37L''111112'11''11101'22212122112''111101111,,1/||.0,1(1)111(1)/,esesseseCeeCLCseeeesLeeeeLeeLCeeLCseseeQRRRRXQRQXQRXXXXRQRRRRQQQRRQRXRQXXXQRQR38Re,C0,RL,Qe1,T1102212''1111211(1)1(1)//(1)1LeeCeCLeLeeCCLeeeLXQRXRXRQRRQXXXRQQRReRL/(1+Qe12)39CAD40121234,VVIIII1-32-44.414.42TransmissionLine)Zc()=ll/81-32-4ll/843V12V341-23-411I0I0I04412345246244,2222121121,24422iiLcLiiiLcLiVVVVVRRZRIIIIIVVVVVRRZRIIIII143414714-11122224LiLUURRRII913993iiLiVUURRIII484n1:1,(n+1)2:149501423511SAWFSAWFSurfaceAcousticWaveFilterRs~UsRL521SAWF(a)(b).isGsGGLGL(a)GCGsIsGLGC(b)531SAW10MHz–1GHz0.5%~25%100dB1.2541SAW552[Pb(zrTi)O3]PZTQLLC562C0LqCqRqqqq1CLCLCCCCLq0q0qqp11CC0C8CoR¢qC¢qL¢q2L572(a)(b)2L22L1(a)(b)5821.()PIN2.59f0:BW0.7/f0:=60612.2.1,2.2.21.300KtEn0621)RkTBRdteTLimEnTn41202)21exp(21)(222nnnnEeEep4nEkTBRk:B:T:63SU=4kTRV2/HzSI=4kTGA2/Hz6412RR()G()2nE2nIR1R2R1R2R1+R221nE22nE2221nnEER1R2R1R2R1//R22222nnII21nI22nI65SUSI662)UiUoSjHS2)(|H(j)|2U2iSUiU2oSUodfSEUon0267LrCLrCSUi4kTrReXe(a)(b)(c)SUokTrCLrCSUo4)1()1(2221()1jCHjrjLjC68Re+jXec,ReXeCjLjrLjrCjjXRee1)()(1(2—55)P41,222)1()1(CLrrCReeUkTRSo469QfkTRfdffQRkTfkTrdffQCrfdSdfSEooUUn24)2(144)2(1)(1002002020270•SUSIRe(Ge)SU=4kTR,SI=4kTGRG•:713),H(j),SUi=4kTR,SUo,E2n2dfjHkTRdfjHSdfSEUiUon2020022)(4)(|H(j)|H0,Bn,20224HkTRBEnnBn2020)(HdfjHBn|H(j)|2U2iSUiU2oSUo722020)(HdfjHBn732—36,Q,f0,Q,|H(j)|22022)2(1)1()(ffQCrjHo,ff0,QffdffQBn2)2(110203dBB0.7=f0/Q,7.07.057.12BBBn742.012)(qIfS3.1)2)3)752.2.31,(S/N)i(S/N)o,KPNFSiNiSoNo76,KP()Na,KP=o/Si,ooiioiFNSNSNSNSN)()(ipaipapiFipopioFNKNNKNKNNNKNKNNN177dB,dBoiFFNSNSLgLgNdBN)()(1010)(1.BB2.NiNiRs782222nionoFnionoFIINUUN4.3.792,,“”NaNa/KP,Te,,BkTKNepaTNTTTBkTBkTNBkTNKNNFeeeieiPaF)1(1111802.2.41,,,,,——,,SSamREP42;SSamRIP241RSESRLRSISRSRLRS(a)(b)81,,,,mipmmomoamomismiFNKNNPNPNNmi=kTB,Nmo=KPmNmi+Nmn,,kTBKNkTBKNNpmmnpmmoF1KPmPsmoPsmi,smismoPmPPKNmiNmoNmn82,kTBNNmoiF,Nmoi=Nmo/KPmLKNpmF1KPmE2S.RojXo4kTBRoUon2(a)(b)RSRL831212()()inFoutPRsRRRsRNPRsR84,p2GS,pIS,SSsmSSmoGIPGpGIpP4)(42222,SSSpmFGpGGpGpGPPKN22211pISGSLCG85NF1KPm1kTBN1NF2KPm2No,2—390FPmNNKkTB,No,:;;,0212pmpmaaNKkTBKNN86,Na1Na2kTBKNNkTBKNNpmFapmFa222111)1()1(kTBKNNKkTBNKkTBNKKkTBKNpmFFpmFpmFpmpmpmo])1([)1()1(2212212112101PmFFPmFKNNkTBKNN8721312111PmPmFPmFFFKKNKNNN,1,,,,,,,,8832—40,()NF13dBKP1(dB)10dBFETNF26.5dBKP2(dB)9dB2—4089,47.41094.710210101065.029.023.0111FPFPKKKK,)7.3(35.235.021121dBKNNNPFFF904KPM2=0.2NF2=10dBNF3=6dBNF1=3dB1/10KPM13dB,10dB,6dB210,4NF=25N’F=2.5KPM1=48=16.8dB91()(),()3929394oSFIRkTqkTBNN22.2.519596979899100101102