谐振功率放大器课件

1、第二章第二章 谐振功率放大器谐振功率放大器2.1 谐振功率放大器的工作原理2.2 谐振功率放大器的性能特点2.3谐振功率放大电路2.4 高频功率放大器2.0小信号谐振放大器 )1(1CLjRCjLjRZS0RZS00RZSRZS LC10。URUIO。I）（。0011jQIIO 200211）（QIIORCRLQ001Q0QQLQ QfB0 CjLjRCjLjRZP11)(20111QLCCRRLQ0011QLC10 0R0RQfB000Rp TVVp 0202)(RpRVVRTiLLp1LMLp1NNp1 TiZpZ2211CCCVVpTTRCCCR)(21211211RpRT1212222

2、21)(RppRpRLLRTTii12122RppRi TRLLR211)(121RpRTTRCCCR22111)(121RpRTTPVV PIIT 2pp kMmXmX21LLMk )(21CCCCCCCCk LLL21CCC21QQQ21kQA 1AQk101A1A0kk 0kk QfB07 . 02 . 54101010080 ebCC 、0 YebCCcCCbMieY oeYfeYreYebrCC Y1bbierCjCjY1bbmbbMoerCjgrCjCjY bbmferCjgYibbrerCjCjY1YYYYY crebiebVYVYI。coebfecVYVYI。f 21f)(21

3、bcbebeCCrfTfTf10ffT0 maxf1PAmaxfcbebbbmCCrgf421maxmaxffffTmax fffT020)(1ff LYLR0reYSYbSSbVYII。CLCVYI 。LoefebcYYYVVKiY。LoefereiebbiYYYYYVIY OYieSfereoeIcOYYYYYVIcYS0。707. 0B LQfB0707. 0LCf210CoeYLQLgQL01 goeYLR LZLCLR1LrrC1LrrCLZ BBVrCtVtvSbmbcos)(tVVvVvSbmBBbBBBEcosBEcvi 210cccCIIIi tItIISmcSmcc2cos

4、cos210SCiQLtrLreRCLRLR220LrLrtCCCCCtrSCL10 LreRLQ0CiCvCiCv eRrLrC CtmcI1OPtOPCi BBBBBBbmmbbmVVVVVV bmBBBBVVV反 OPC CiLR CiCEvBiBEvtVVvbmBBBEcostVVvcmCCCEcos BEvCCEBEBivviBBvbmvCCvCMvtBEvCEvCi mccmeIVR1COCCDIVP 21mccmoIVP ODCPPPDoCPPBBvbmvCCvcmvCiCiBBvbmvBBvbmvCi cmvCi0tcmv0tbmBBBEBEVVVvmaxcmCCCEVVvBB

5、vbmvmaxbmvminCEcmVVmaxBEBEVV)( AA cmvCi A AA cmV AA CiCicmVCiCi BEvmaxBEvBEvBEkmvCiCi ACiCicoIcmItdiICC210 ttdiICmCcos11CicoIcmIcoIcmIBBvbmvCCveReRCi 出现凹陷过压由欠压CcmecmeiIRVRcoIcmIeR略、略mcCCeIIiR10maxemccmRIV12/21emcoRIP CCCCCDPIVP,0略 ，略、凹陷加深cmmcCCeVIIiR10max，、DoPPoPDP略略CCPeopteRR oPCCP eoptRosatCECCocm

6、eoptPVVPVR)(2121)(2bmv0PDPCPCeRbmVBBVeRCCV BBVbmVmaxBEVCiminCEVbmVminCECCVVCi。略、略mcCCCCIIiV10maxmaxCCCiV0CIcmmcVI1 bmVCCVeRBBVbmVBBV，脉宽 Ci0maxmaxCCBEIiVmin1)(CEcmmcVVICBBiVmaxCi0CICmICmV tVvCbmbcostVvmcosttVtvCcmocos)()()()(0tvVtVCCCC)(tVcm)(tVCC)(tVCC )()(0tvVtVBBBB的规律变化按)()(tVtVBBcm)(tVBBBBVCCVeRb

7、mVBBVbmVbmVBBVCi,maxCi CbmiV0CImCI1CMV bmVbmVmaxCbmiVCimaxCibmV bmVbmVbmV CCVbmVBBVCR CCV CLCLCCfCLZCCZCCVCL1CC1CC f1CZ2CZ0CZLCCCCEvVv1CCCL1CC CCV1BR2BRBi0BIBRBLBRBCBL 0BIbmVbvBEBvI0BBBERIv0LBBBERIv0 LReRLRmLLnmLLnnIIPPH1lg20lg10 InPLPnH2HoP1oLkPP nHk10eQ T1kLReR0C0C )1 (222eSSSSPQRRXRRSSPSeSSSSPXRR

8、XQRXXRX)1 (222221ePSQRR PPSSXRRXPPSSeXRRXQeQ10eQ eR0C),1 (222eLPQRR22222ePCLPPQRXRRX0022PCXX02PR02eQ LCeRXQ/221LX2pX)1 (222eLPeQRRRLeCRQX222221/ePPLQRXX111eeSQRR11111SeCeSSRQXRRX11ceeXRQ0110LSCXXX 212221!111eeLeeSeQQRQRRR01)1 (212eLeeQRRQLeeRQR)1 (2111eeCQRXeeSeSCLRQRQXXX111101 0011CeeLXRQXLCARX2AQBQBABABQBXXXeeeLCC111111)()()(1)1 (21eLeQRRA)1 (21eeQRB)1 (21eLeQRR BL 1