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开关电源输入滤波电路的优化设计研究A1A2A3A0A4A5A6A7A8A9A10A11A12A13A14A15A16A17A18A19A20A21A22A23A16A24A25A26A27A28A29EMCA30A31A32A33A34A35A36A37A38A39A40A41A42A43A44A45A46A47A48A49A50A51A52A53A37A54A55A56A57A58A42A59A60A61A62A63A64A49A65A66A67A68A37A69A70A71A72A73A74A75A52A76A77A78A42A79A67A68A49A80A81A82A73A47A48A82A34A83A84A85A86A63A87A88A89A63A87A90A91A59A60A61A62A63A64A92A93A63A94一、引言A95A96A97A98A99A100A101A102A103A104A105A106A107A98A108A109A110A100A111A112A113A114A115A116A117A118A119A120A121A122A123A124A125A126A127A128A129A130A127A131A132A133A134A128A108A135A136A137A138A99A139A140A141A133A104A97A142A143A144A145EMIA146A147A148A149A150A151A152A153A154A155A156A157A158A159A160A161A162A163A164A165A148A166A167A168A169A170A171A172A173A174A175A176A177A178A179A180A181A157A182A183A184A185A186A187A148A188A189A190A191A192A193A194A157A195A196A197A198A151A148A199A200A158A147A201A202A203A204A202A205A155A156A158A206A207A208A209A148A210A155A156A157A158A206A211A212A203A213A214A215A216EMSA146A148A217A196A218A219A213A220A157A221A158A206A211A212A163A222A148A223A203A224A191A192A163A225A181A226A227A228A229A230A148A231A189A232A233A234A220A157A158A206A235A236A216EMCA146A207A208A148A237A238A239A158A159A160A161A225A181A226A227A157A240A241A148A242A203A190A243A158A159A244A245A160A246A247A157A150A248A249A250A229A251A228A191A252A217A230A148A253A254A255A133A219A0A233A1A2A184A3A4A210A158A159A244A245A157A158A206A211A212A5A6A184A7A214A8A227A178A2A9A184A5A10A228A147A11A12A219A200EMCA157A13A14A152A20592A152A10A9A15A16A200A1A17A14896A152A199A18A19A20A148A1A17A2A9A191A137A21EMCA3A4A157A244A245A191A139A22A23A24A25A148A198A151A188EMCA166A26A184A38A2A166A26A227A243A244A245A166A26A157A27A248A28A29A228A172A253A30A31A244A32A33A203A0A34A35A199A158A206A235A236A3A4A36A26A152A148A179A227A178A2A9A1802001A1521A1811A182A37A195A22A23A24A25A157A244A245A39A40A219EMCA3A41A228A192A87A148A158A206A235A236A216EMCA146A166A26A133A237A244A245A188A42A22A23A24A25A179A43A178A253A44A45A46A201A157A248A47A228A48A237A148A49A205A37A240A160A246A157A158A147A244A245A148A210EMCA150A54A191A50A148A154A166A58A219A157A158A147A244A245A51A52A53A55A3A148A133A56A57A59A60A61A62A158A147A244A245A157A63A64A148A229A230A148A209A65A66A232A67A68A133A237A69A70A71A72A228A217A57A59A158A147EMCA55A3A157A201A248A73A229A224A237A180A172A23A74A75A158A76A157A160A246A191A21A77A228A60A78A240A243A79A148A226A218A219A80A81A158A147A172A23A74A75A158A76A160A246A82A1A157A185A83A228A201A94A27A34A210A158A147A172A23A74A75A158A76A160A246A82A1A22A84A233A85A177A235A86A157A88A36A148A241A178A15A232A121A89A90A91A92A157A74A75A158A76A148A179A93A92A60A172A62A157A158A147A244A245A209A228A242A178A157A95A244A96A196A184A77A36A97A98A26A99A15A100A160A246A82A1A157A91A92A101A184A192A84A101A228二、输入滤波电路的拓扑结构优化设计A102A103A104A105A106A107A108A109A110A111A112A113A114A115A148A116A117A118A116A104A119A120XA122YA123A124A125A126A123A123A127A128A129A130A131A132A123A134A135A136A138A125A140A241A141A142A143A144A145A146A254A149A150A151A162A153A154A160A135A155A156A125A157A158A162A153A154A160A159A161A163A164A165A167A168A135A169A170A1281A171A173A174A175A176A177A178A183A184A185A186A173A1741A1871A189A190A220A191A192A193A194A195A196A197A198A199A200A202A203A204A198A199A200A202A203A196A197A205A206A207A208A210A211A212A213A214A205A215A216A218A219A2211A2222A223A224A225A227A228A229A230A228A206A207A221A223A224A225A231A232A234A231A232A236A231A232A234A237A232A238A239A205A230A228A206A207A204A231A232A236A237A232A234A240A243A238A239A205A227A228A206A207A221A245A246A247A248A237A249A250A251A252A227A228A206A207A205A224A225A221A253A255A224A225A230A228A229A227A228A206A207A14A6A0A205A1A215A216A196A2A237A3A4A5A7A212A230A228A229A227A228A196A8A14A28A9A10A183A29A219A11A230A228A196A8A12A30A13A180A511A52A227A228A206A207A205A49A15A32A240A14A217A230A228A206A207A205A49A15A16A33A161A17A221A45A18A19A3A34A246A144A205A227A228A229A230A228A206A207A14A227A228A206A207A50A20A21A205A196A22A23A35A24A25A26A230A2283A374A46A38A27A92A40A45A18A19A14A227A228A206A207A208A210A6A41A79A42A31A243A36A107A205A39A43A229A44A160A195A47A48A205A196A53A229A54A55A56A57A20A21A206A207A221A512A52A227A228A196A8A237A7A212A230A228A205A58A59A221A227A228A196A8A60A1A61A8A102A47A62A232A63A86A12A223A64A233A195A65A14A50A183A47A66A67A68A12A69A70A230A228A196A8A205A71A72A14A223A224A225A196A2A237A205A230A228A206A207A221A513A52A196A73A205A74A75A212A105A10A224A225A230A228A206A207A221A230A228A51XA52A196A73A6A0A76A227A228A51YA52A196A73A240A161A17A2211A2223A77A78A192A240A36A107A80A81A219A82A221A211A83A205A36A107A84A85A231A195A245A154A217A87A154A88A89A25A205A206A207A208A210A90A91A205A221A195A99A93A215A216A196A2A217A87A196A197A231A94A10A53A14A217A198A199A200A202A203A82A231A94A10A95A96A221A50A97A36A107A192A240A80A81A68A84A180A94A53A31A95A96A195A25A154A206A207A208A210A205A98A218A100A36A253A101A36A4A14A99A93A215A216A203A103A104A25A36A92A106A238A82A103A104A101A36A221A6A0A196A197A84A45A196A108A53A14A217A198A199A200A202A203A66A67A109A99A93A110A111A162A30A14A68A227A228A206A207A208A210A217A87A98A218A10A45A46A196A73A229A196A202A53A205A112A113A14A11A114A14A19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