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课程设计说明书（论文）课程设计题目双音门铃设计学生姓名学号院系专业班级09通信工程指导教师姓名及职称讲师实验员起止时间2011年3月2011年6月课程设计评分一、课题名称双音门铃设计二、画出完整的电路图，并说明电路的工作原理双音门铃原理图与PCB图如下图该电路的工作原理A1A0A2A3A4A6NE555A7A5A8A64A10A9A11A12A13A14A6A16A15A17A18A6A13A19C1A21A13A6A222A236A10A9A20A24A12A13A14A6A26A5A25A27A283A30A29A31A32A33A34A35A36A37A38A39A35A40A41A42A43A41A44A33A31A45C1A46A31A33A472A486A49A50A51A521/3VCCA53A333A54A30A29A31A32A33A34A35A36A55A56A40A57A46A31A582A486A54A31A32A59A521/3VCCA333A54A30A60A31A32A33A34A35A36A61A55A56A62A31A45C2A63A64A65A66A67A36A68A69A70A71A49A504A72A73A74A33A58A75A76A77A78A54A79A61A80A72A81A82A31A83A33A84A85A70A71A34A35A36A39A86A87A88A72A89A90A62A57A31A91A92A93A87A332A486A54A31A83A61A80A33A58A94A77A38A543A29A31A32A31A83A95A61A80A33A84A85A96A97A34A35A36A72A98A86A62三、总结设计电路和方案的优缺点，指出课题的核心及实用价值，提出改进、意见和展望四、列出系统需要的元器件元件名数量A99A100A101A102A103A104A105NE5551A106A107A1081A109A110A111A112A113D1A114D22A115A116A117A118C1A114C22A117A119A117A118C3A114C42A117A120R1A114R2A114R33A121A122A123A120A108R41A124A125A126A1271五、收获、体会；A128A129A130A131A132A133A134A135A136A137A138A139A140A141A128A129A130A131A133A134A135A136A137A138A139A140A142A143A144A145A129A146A147A148A149A144A145A142A150A151A152A153A154A146A155A156A157A158A159A139A138A151A152A160A161A161A162A163A157A164A165A166A167A168A139A167A169A162A163A157A164A166A167A162A169A142A142A170A171A172A173A138A160A146A164A165A174A139A164A175A172A173A146A164A165A174A139A164A161A176A165A177A138A170A178A179A180A167A169A181A182A183A184A134A135A185A186A180A167A185A186A185A186A142A142A181A182A187A178A139A188A189A187A178A139A188A142A190A191A187A178A139A192A190A191A187A178A161A161A163A157A172A163A177A138A139A167A169A139A167A169A142A142A170A171A185A186A146A164A193A194A139A164A175A161A176A195A177A176A195A170A178A167A169A196A197A198A189A134A199A200A196A197A142A201A140A170A178A202A166A203A204A205A206A164A165A207A208A209A203A204A205A206A207A208A161A210A170A205A206A209A139A140A141A165A211A165A211A165A211A142A142A212A213A213A142A142A214A214A215A215A139A216A217A208A218A216A217A142A165A219A165A219A142A220A221A221A166A161A172A207A209A170A222A222A189A164A165A166A223A168A224A225A174A209A170A168A224A225A174A225A174A142A142A226A227A228A229A164A230A219A231A232A228A229A231A232A231A232A161A161A233A234A142A208A155A172A235A236A208A218A179A180A217A151A164A237A238A170A178A139A208A155A239A240A241A208A147A139A242A235A236A237A238A139A208A241A208A243A244A244A142A142A151A152A245A139A234A246A208A155A247A248A249A234A139A250A251A151A152A234A246A247A248A250A251A250A251A142A142A252A253A254A208A139A255A126A253A254A161A131A172A152A245A170A178A179A180A131A132A167A169A172A152A180A131A132A167A132A0A1A2A221A221A3A0A1A137A186A161A131A165A131A132A167A139A140A141A165A131A139A140A142A170A255A43A4A5A6A185A186A7A4A5A185A186A131A8A144A142A144A180A139A185A186A9A235A10A191A11A185A186A142A196A197A70A155A134A12A13A196A197A155A134A12A13A161A131A225A14A15A16A245A14A15A245A142A142A170A178A17A131A132A167A169A18A19A132A167A157A20A185A186A241A185A186A21A22A23A24A185A186A21A22A185A186A21A22A23A24A185A186A21A22A161A163A25A229A26A139A217A196A197A27A134A12A13A28A29A30A163A25A139A217A196A197A12A13A1A134A31A13A164A164A142A142A170A255A43A217A91A164A32A33A165A34A16A153A224A27A187A24A225A174A16A153A225A174A161A131A172A144A170A164A175A23A167A169A164A196A197A198A189A144A170A196A197A132A0A1A137A186A161A163A163A35A36A203A143A241A163A37A38A191A39A139A140A40A11A164A35A36A203A143A163A37A164A142A142A183A41A217A234A246A208A155A164A155A164A161A185A42A1A134A31A28A29A30A13A206A234A246A191A11A142A233A107A157A160A44A45A157A160A142A142A162A46A47A217A48A164A191A11A162A161A161A210A170A84A143A49A49A139A205A50A18A19A48A191A11A139A188A51A24A52A210A139A188A51A24A198A53A54A139A140A141A139A140A142A173A55A56A57A4A58A56A57A4A58A142A172A59A170A60A217A61A62A241A63A64A63A64A161A170A205A65A66A18A19A67A68A164A69A212A46A71A72A65A66A218A140A219A73A74A74A74A222A75A76A164A161A210A170A77A78A205A24A52A198A53A54A140A170A143A144A79A217A146A147A148A149A52A198A142A228A79A146A80A81A80A81A142A162A46A47A154A146A142A172A59A170A60A217A131A143A143A161A161A131A82A30A134A135A136A137A138A160A152A245A135A136A137A138A142A170A167A83A164A196A197A66A85A181A134A135A185A186A196A197A185A186A185A186A142A142A167A169A164A198A189A132A0A1A0A1A137A186A186A142A142A237A238A164A18A19A139A36A26A112A153A142A235A83A206A164A18A19A36A26A19A36A66A48A165A166A212A86A191A11A139A30A41A87A212A86A161A161A167A83A164A165A88A89A90A112A167A89A90A171A71A170A178A191A66A92A83A60A146A93A94A161A161A161A161A18A19A36A26A19A36A142A245A95A96A97A213A245A95A96A97A161A161A161A161A161虚焊、开路、短路检测A98A99A100A101A102A103A104A105A106A108A109A110A106A108A111A113A102A109A114A111A115A116A117A118A117A119A120A121A122A123A124A125A127A119A128A129A130A133A135A136A138A139A140A141A142A143A145A142A146A145A147A148A149A150A140A141A141A151A121A141A152A154A119A155A156A158A159A160A119A161A162A164A165A166A167A168A121A150A169A170A171A120A172A173A174A135A141A151A173A121A175A176A177A135A178A175A179A180A181A182A184A141A152A173A135A156A158A159A160A154A141A152A179A180A162A164A186A150A140A141A165A187A116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