标签: 器設
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EMI產生分析及無Y電容充電器設計TheEMIdesignofthechargerwithoutYCapacitorAdlsongAbstract:SomegeneralknowledgeofEMIisintroducedinthispaper.ThebasicprincipleofcausingdifferentialmodeandcommonmodecurrentrelatedconductedemissionsofEMIintheswitchmodepowersupplyisdiscussedindetailthroughtherelevantcircuittheoriesandthesketchdiagrams.Thedesignofthecancellationinsidethestructureofthetransformerisalsopresentedandexplainedbythesketchdiagram.ThemethodsforreducingradiatedemissionsofEMIaredescribedaswelltoo.Intheendthedesignforcommonmodeinductorisoffered.Atpresent,YcapacitoriswidelyadoptedinsideSMPSincludingthecellphonechargertopassEMItests.TheusageofYcapacitorleadstotheleakagecurrentfrominputlinestooutp……
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雙向放大器設計{q¤l¤j¤hZ¤u{¨t¤hפóISMW±a2.4GHzgWe¤§sDesignandImplementationofRFFront-endModulefor2.4GHzISMBandü±Gós¨sGùv¤¤°ê¤E¤Q¤G~¤¤¤K-nפ-zióLuq°T¨tso÷zPsA±°QgWeq]-p§NA¨L±au§NPU¤u¨¤z×°ò¨P]-pA¨qF¨ìB-wGCo¨t±]à¤è-pF¤PóPgWoA÷ogP±A¤÷|è¨s§Qs]-p±NogP±°T|X°¤@AH-°§C¨¤\vCsq]§t°g§A\v¤j]°T¤j]lownoiseamplifier,LNA^Pù§}q¨bandpassfilter^B\vpowercombiner^C]p-2Xsubharmonicmixer^]-p¨ùup-downconverter^¨-F±NqminiPoweramplifier^¤§Cdirectconversion^A±ISMBand2.4GHz]ùV¤jq¤§TX¤@qM±aqoi]¤°t]powerdividerP^\vX]±N¤jB¤G-WiVW]V¤jPùV¤-°WVW]]-p¨ùV[cAH§CqB×-°§C¨¤\vAAXné¤Cq]-p¤jS°G¨@AqX°¤@A¨XL±auP}§NA¨ùV¤jF±PoggLùV¤j°TìOPA¤èV¤C±\XAN±90°v¤-°WVW-WiVWV¤¨aú°T|i§C°T¤j……
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WiMAX功率放大器設計技術_2k7022111WiMAXITRI/ICLE-mail:ych@itri.org.twOutlineWiMAXWiMAXReferenceThisdocumentispreparedwithutmostcarebythespeaker,however,neitherthespeakernorITRIshallbeliableforanylossordamagearisingoutofunauthorizeduseoraccesstothecontentshereof.2WiMAX(1)Thisdocumentispreparedwithutmostcarebythespeaker,however,neitherthespeakernorITRIshallbeliableforanylossordamagearisingoutofunauthorizeduseoraccesstothecontentshereof.Reference:3WiMAX2004200520062007(2)20082009802.16e-2005802.16-2004FixedNomadicPortable/MobileFixedBackhaulFixedNomadicMobileThisdocumentispreparedwithutmostcarebythespeaker,however,neitherthespeakernorITRIshallbeliableforanylossordamage……
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高整合度的雙頻DAB接收器設計AHighlyIntegratedDualBandReceiverICforDABAHighlyIntegratedDualBandReceiverICforDAB……
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數位廣播接收機之調諧器設計與實現±i-y§nx줧j1q2§Eü3ql¤u¤t{¨[s¨xn¤±dnxó¤@ypchang@mail.stut.edu.tw1cci60201@seed.net.tw2ctyu@mail.stut.edu.tw3K-nפ¨Hitachi¤qDAB(DigitalAudioBroadcasting)gW±¤ù(HD155080G)APX]-p¤§RCoi(RCFilter)Pgq¨ê{¤@-XEureka-147W¤§ìs±÷óVHF-BandW±a¤§(Tuner)Cê{¤§iónxì¤jq¤l¨to¤§DAB±÷A¨±¤°ês¤q(Wv°VHF-Band220.352MHz)¤êúog÷PHILIPSPDE452°e¤§DAB°T§¨ê\àC±¤ùoiPê{¤§°TCפwéq]-pA¤@`C1DAB±÷¨t¤èRCDAB3`ú1.e¨ìs(H¤UDAB)i°~TBWs¤§á¤TNsAOs§N¤@¤j-RCbìs¨t¤-n°e¤§hCé°T(pn-Bv¤r)à°ì°TAgì§NBzáAzLs±N줰T°eXCDAB¨¤Wh¤uCOFDM(CodedOrthogonalFrequencyDivisionMultiplexing)§NA¨¨WA§JAh|Pi°t°¨uICDAB°¤Fà°÷¨¨CDpg°……
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