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1数字功率放大器分析一、引言A1A0A2A3A4A5A6A7A8A9A10A12A13A11A3A4A14A15A16A17A18A20A21A19A12A23A22A24A25A26A27A6A28A29A30A31A32A33A23A34A35A36A2A37A38A30A4A2A39A40A41A12A43A42A44A45A46A47A48A38A2A30A4A39A40A41A12A38A49A51A50A52A54A53A12A56A55A6A57A59A2A60A61A44A45A38A58A62A63A12A65A23A12A55A22A64A66A67A12A43A42A68A69A5A70A71A73A72A12A75A74A76A2A68A69A5A6A77A43A42A78A73A72A12A43A42A78A79A54A80A81A82A6A83A84A2A85A86A67A2A87A88A49A89A90A91A16A29A2A86A92A12A80A81A82A2A93A94A95A97A96A94A98A12A79A54A99A100A95A101A2A102A45A103A104A20A43A42A44A45A105A80A40A2A107A106A108A109A110A112A113A111A107A114A111A60A115A117A116A118A2A43A42A81A82A119A120A6A55A6A121A122A76A43A2A124A108A112A108A113A123A53A125A79A54A126A89A12A128A6A127A97A67A12A130A129A131A132A98A133A93A131A76A98A133A12A125A134A135A62A136A65A137A30A138A139A140A141A143A142A79A12A127A97A95A144A145A112A95A79A146A20A149A53A105A147A12A43A42A44A45A103A41A38A112A81A148A101A112A80A40A144A145A12A152A150A151A153A154A155A64A66A2A135A25A12A21A19A12A46A47A75A74A101A2A156A157A158A159A160A161A162A163A73A164A165A20二、数字功放与模拟功放的本质区别A43A42A44A45A168A169A170A108A61A44A45A12A171A166A167A44A45A2A172A24A173A174A6A175A44A45A176A2A177A178A179A180A20A83A181A166A167A45A122A182A47A113A61A112A60A61A160A113A60A61A112A124A61A117A20A62A183A2A184A119A120A45A122A125A131A113A61A44A45A12A45A122A182A185A135A24A186A187A12A45A122A84A58A2A188A92A16A3A189A58A186A187A190A191A12A105A54A12A3A36A192A193A103A41A48A194A12A197A129A103A41A195A38A196A200A198A52A20A202A60A61A45A122A182A185A16A135A24A186A187A12A146A119A120A199A201A155A203A204A45A122A176A12A197A205A103A41A38A49A208A206A207A198A52A20A211A21A170A209A210A2A45A122A12A184A119A120A23A212A213A214A215A12A218A216A30A217A125A24A91A219A62A220A186A187A12A223A221A113A60A61A44A45A12A209A222A62A155A103A41A168A224A227A225A226A228A12A231A229A38A82A73A230A30A217A67A93A47A62A232A124A61A12A103A41A79A54A95A38A12A211A135A233A186A187A12A81A82A45A122A67A62A183A125A16A40A12A209A234A232A166A167A45A122A30A217A2A235A65A2A236A220A131A237A238A176A125A47A177A178A6A143A239A45A122A240A241A67A12A128A242A243A84A244A81A82A119A120A122A184A245A246A84A58A2A122A184A12A224A247A248A6A30A4A171A84A58A249A2A62A134A79A250A30A251A12A245A246A84A58A12A211A65A23A252A201A168A6A253A88A30A3A20A108A61A44A45A2A44A45A176A177A178A6A163A254A179A180A12A197A129A53A237A238A176A203A204A23A255A251A170A4A12A5A0A1A48A2A8A12A76A232A1A48A3A6A7A89A9A202A10A11A23A12A13A253A14A15A123A12A2A31A16A170A17A12A168A18A7A89A20A106A19A21A170A22A24A25A187A26A27A240A28A29A30A18A7A89A3A6A12A2A32A26A33A34A6A238A35A36A12A37A38A39A40A41A229A12A109A61A3A45A26A42A6A43A44A52A52A46A20A211A218A219A47A12A27A240A28A49A67A48A50A51A26A53A162A8A230A202A7A89A54A153A2A55A20A212A56A89A2A57A58A27A240A28A26A238A239A48A59A12A202A58A171A60A62A63A26A123A51A14A59A12A106A19A238A35A48A33A64A65A123A3A6A62A63A26A66A68A20A109A61A3A45A26A42A6A43A69A52A46A19A47A20三、D类功放基本原理A70A71A132A109A61A3A45A26A72A29A73A74A12A80A153A170A75A77A54A153A782A70A71A109A61A3A45A72A29A73A74A79A71A54A153A170A81A24A248A12A198A82A83A26A57A84A34A71A57A85A45A74A224A86A87A248A184A80A88A224A20A90A95A91A92A93A171A60A94A47A71A96A97A31A98A99A100A45A37A85A45A26A101A62A102A0A12A103A206A104A105A107A108A110A248A111A224A71A77A112A113A223A114A94A221A85A45A26A115A62A102A0A20A76A101A0A47A26A2A116A36A64A115A0A112A113A114A2A116A23A12A86A87A248A62A63A170A36A2A117A12A118A228A119A62A63A120A2A117A20A121A92A93A62A102A171A60A170A17A122A97A31A98A99A112A113A114A124A167A26A44A125A126A12A119A86A87A248A62A63A26A36A120A2A117A127A128A26A23A129A71A213A12A62A63A130A132A71A77A131A133A86A170A201A52A46A26A134A114A20A76A48A92A93A171A60A62A102A23A12A101A135A136A137A129A12A86A87A248A62A63A36A2A117A26A23A129A86A120A2A117A138A12A134A114A26A131A133A86A123A64A201A52A46A9A115A135A136A137A129A12A139A64A177A48A97A31A98A99A12A106A19A86A87A248A101A62A102A0A26A2A117A177A132A123A64A17A12A211A92A93A171A60A140A141A36A64A112A113A114A140A141A26A23A129A142A123A170A143A144A12A134A114A131A133A86A51A64A201A52A46A20A212A213A12A86A87A248A62A63A26A114A223A130A132A71A77A145A146A147A141A148A92A93A171A60A140A141A81A24A100A26A114A223A12A169A170A149A150A151A152A145A147A81A24A154A114A223A20A92A93A171A155A148A81A24A221A145A146A114A223A156A20A79A157A54A153A130A132A109A61A3A45A12A212A132A71A77A145A146A22A24A26A123A2A31A247A59A45A123A248A12A90A86A87A248A62A63A26A149A150A151A171A60A158A224A36A2A8A122A123A2A31A26A123A3A6A149A150A151A171A60A20A55A159A62A63A26A198A123A3A6A139A115A160A122A2A32A2A8A162A27A240A28A161A163A31A104A26A2A31A164A165A96A20A79A112A54A153A84A90A123A3A6A149A150A151A114A223A156A26A166A92A171A155A177A95A63A164A20A134A172A50A82A83A12A57A84A173A34A71A77A120A206A174A114A248A20A211A139A64A175A23A2A31A50A123A12A176A178A179A34A180A181A120A206A174A114A248A20A76A131A133A86A123A64A201A52A46A26A145A146A221A164A23A12A181A26A182A2A23A129A123A64A45A2A23A129A12A62A63A2A117A47A183A9A76A131A133A86A123A64A201A52A46A26A145A146A221A164A23A12A181A26A182A2A23A129A51A64A45A2A23A129A12A62A63A2A117A229A230A12A101A185A58A95A92A93A171A60A26A140A141A158A186A188A71A189A12A106A1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