[毕业设计精品]高精度脉冲信号发生器

高精度脉冲信号发生器摘要A1A0A2A3A4A5A6A7A8A9A10A11A12A13A15A16A14A17A18A19A20A21A22A19A23A24A25A26A27A28A29A30A31A32A33A34A35A36A37A38A28A21A39A40A28A21A39A22A19A32A41A42A43A36A37A38A21A39A40A44A45A46A47A48A49A17A29A49A26A27A28A21A39A50A51A41A52A42A53A54A55A56A57A58A34A59A60A61A62A63A64A28A33A65A66A67A68A69A67A70A71A72A28A29A49A26A27A73A25A74A75A42A76A21A39A77A78A79A80A49A81A82A83A42A84A85A86A87A88A89A90A42A36A37A38A21A39A40A91A92A46A65A93A94A95A89A90A94A96A28A97A98A42A99A100A101A36A37A38A28A102A103A104A105A106A107A42A84A85A108A109A110A28A97A111A112A28A42A113A60A114A115A28A45A92A116A95A117A118A119A61A62A63A64A120A121A37A122A42A123A124A125A60A46A126A127A128A28A129A130A17A131A132A35A99A127A128A55A21A39A60A133A134A135A136A22A19A35关键词方波信号发生FPGA串行通信远程控制ABSTRACTWAVEFORMGENERATORSAREWIDELYAPPLIEDINALLKINDSOFMEASUREMENT,MOTIVATIONANDTIMEDOMAINRESPONSEFIELDS,ANDTHEREAREMANYWAYTOGENERATESIGNALSKEYWORDSA137A138目录1前言32方案论证与比较421A139A140A141A142A143A144422A145A146A147A148A149A150A143A144423A151A152A149A150A143A14443系统设计531A153A154A155A156A157A158532A159A160A161A158A162A163A164A165A1666321信号波形产生6322直流滤除6323压控增益放大6324峰值检测6325后级功率放大6326单片机控制64软件设计1241A167A168A153A169A170A171A1721242A173A174A169A170A175A176135系统调试方法与测试数据1851A177A178A179A1801852A177A178A181A182A164A177A178A183A1841853A177A178A185A186A165A166186参考文献217附录2071电路总图2072单片机控制电路20A187A1881前言A189A190A191A192A193A194A195A196A197A198A199A200A201A202A203A204A205A206A207A208A191A209A210A211A204A212A197A213A214A215A216A217A218A219A220A221A222A223A224A225A226A227A228A229A230A231A232A233A234A235A236A221A217A218A222A223A220A237A230A231A232A238A233A234A238A235A239A231A232A238A240A241A230A241A242A221A222A223A224A225A243A244A231A232A233A234A245A218A246A218A247A248A229A249A235A224A250A230A251A252A221A253A254A255A88A0A1A22936V,A231A232A228A2291MSA1791000MSA230A231A232A233A234A235A158A231A232A233A234A153A2A3A231A232A4A5A221A6A7A235A181A8A9A249A235A231A232A10A11A15A184A12A186A238A231A232A241A242A187A15A228A229A226A241A230A166A13A14A16A0A235A158A251A252A221A217A218A219A220A17A2A220A221A18A19A231A232A233A234A243A126A1272方案论证与比较21总体方案选择211方案一论证该方案采用正弦波振荡电路。震荡电路产生一个基波正弦波，然后通过比较器来输出脉冲信号。这一种办法可以得到不同频率的脉冲信号。但是想要达到调节占空比是很困难的，并且大多是采用模拟器件构成的不便于精度的控制G2656G14270G2172G2282控制。方案一方G7706图212方案G1120论证采用G39G39G54G14467片G36G39G28851，方波占空比可调。频率输出可调。该方案可以达到设计脉冲信号的G11458的，但是G3324G4466G19481G5224用G1025G19668要多路的信号输出，G2520路的信号参数要G2010G2047可调，采用这种方案是很难达到的。A28A20A21A160A195A22A196A23A24A199A25A26A27A29A30A38A112A31A32A42A28A33A34A35A36A37A39A40A41A43A44A34A45A46A38A207A47A48A47A49A22A50A51A94A34A52A53A54A34A55A56A57A22A58A59A38A112A60A47A61A32A62A34A63A57A28A20A64A160A195A22A65A66A67A68A55A56A199A25A69A70A40A32A71A72A26A73A27A74A65A63A195A22A32A71A72A26A73A75A76A77A78A27A74A65A110A55A56A34A29A30A40A53A79A35A36A38A112A47A80A81A82A83A84A34A38A85A86A195A22A87A28A20A89A90A32A42A28A33A34A91A92A40A93A95A63A28A20A96A97A160A98A99A42A100A34A101A102A40A74A103A34A57A22A104A105A38A226A106A195A22A28A20A64A27A107A108A109A111A113A114A34A115A116A6322可控增益放大部分方案一G11013于G68G71G28833产生的信号G3324200G80G89G5050G2503，G19668要的G7380大输出电压G103810G89，放大G7380大50G1505，G6164以G2494G19668要一级放大G2164G990一级功率放大。G11013G7242G1319G12661G2656G17828G12651放大器G4466G10628。G7424方案G11013于大G18339采用G2010G12447G1815件，G3926G989G7509G12661G12573，电路比较G3809G7446，G5049G1328G9869难于调G6984，G4600G1866增益的G4462G18339调节G19762G5132困难。但电路成G7424较G1314。方案G1120采用一级G12255控放大器G14G17828G12651放大器G4466G10628。前级G17828放G4448成G20652增益放大，后级G12255控放大器G68G71603G4466G10628G12255控功G14033，G7424方案控制G12628单，G14033G4557较大增益G14551G3272G4466G10628G12255控，前G8585G20652G1505数放G4579，G1363得G12255控G8505G17839较较大，精度G6564G20652。成G7424G1075G11468G4557G6564G20652。23功率放大部分方案一G1363用G2010G12447G1815件G14270G15904G6657G5326后级放大器。G7389不同电路G2010G2047G4557电压G2656电流G17839G15904放大，前级G11013G17828放G4557信号电压G17839G15904放大，后级G11013G2010G12447G1815件G6657成功率放大电路G4557信号G17839G15904功率放大。G1363用G2010G12447G1815件设计困难，调试G13333G10724，。方案G1120G1363用G19610成电路G14467片。G1363用G19610成电路G14467片电路G12628单G451G1363用方便G451G5627G14033G12295G4462G451G7389G16826G13466的文G7735G16840G7138。可G17885G6333G4497G5114的G20652波G6682率的电流G2465G20316G17828放G87G75G863001，该G17828放可G6564G1391A117A118250G80G36的电流，G4466G10628G20076G11458要G8726的输出10G57G7389G6940值，G511450的G17139G17745G26560G1610G48G43G93的G5114G4497。3系统设计31总体设计思路G7693据G20076G11458的要G8726，G13479G2524考G15397过的G2520种方案，G1817G2010G2045用模拟G2656数G4395系统G2520G14270的G1260G9869，G2469G6393G1866G1260G2195，采用单片机G20056G13634G2656控制放大器增益的方法，大大G6564G20652了系统的精度G2656可控G5627；后级放大器G1363用G4557G12661推挽互补输出驱G2172，G6564G20652了输出电压G7389G6940值。我们G1363信号都G3324单片机的数G4395G12651法控制下得到G7380G2524理的前级放大，G1363G1866放大G1505数精确。图3G161G6164示即G1038G7424系统G7706图。图3G161G36G71G28833产生信号后通过前级可控增益放大，放大G1505数G11013单片机通过G39/G36转换G6564G1391的电压控制。G68G71603增益G36GC模式下，此控制电压G57GG7389单片机G39G36输出，经过前级放大后的信号G7380后经过后级放大得到G19668要的输出信号，前级G2656后级增益的G6657配，都是经过精确的测G18339G2656计G12651的。同时单片机控制LCG3912864显示。A131A119A120A121A122A123D/AA229A124A125A231A128LCDA233A129MSP430A133A130A132A134A120A121A176A177A135A13632主要电路原理与分析321信号波形产生G36G39G28833无G19668外接G1815件,输出频率G2656G11468位都可通过软件编G12255,易于调节,频率寄存器是28位的,主频时钟G103825G48G43G93时,精度G103801G43G93,主频时钟G10381G48G43G93时,精度可以达到0004G43G93,无G19668外界G1815件。A137A138A1391A140A141A142A143A144A145A146A1471A140A148A149A150A151A152A154A155A156A140A157A159A151A161A154A162A163A164A165A167A168125MHZA169A170A171A172A173A174A175A164A165A178A180A182A183A141,A185A151A188A189A190A191A192A141A193A194A197A198A200A157A198A201A202A173A203A204A201A202A205A206A208A209A210A211A212A213,A214A208DSPA215A216A163A217A218A219A220A169A198A200A157A198A221A222A223A224,A225A227A228A230A232A234A235A236A237图3G162G161G36G39G28833的主要特G9869G3926下频率G2656G11468位可数G4395编G12255；G5049G1328电压G10383G57时,功耗仅G103820G80W；输出频率G14551G3272G10380G48G43G93125G48G43G93；频率寄存器G103828位（G332425G48G43G93的参考时钟下,精度G103801G43G93）；可G17885G6333正弦波G451G989角波G451方波输出；3线G54PI接口；A235A236A237图3G162G161A238A239322直流滤除A240A241A242A243A244A245A246A246A247A248A249A250A251A252A253A254A249A255A27A0A1A38A245A2A3A4A255A27A5A6A38A210A7A8A9A10A11A12A249A13A27A14A15A38A252A16A17A18A38A133A19A14A15A20A33A4A21A158A255A27A252A22A23A24A25A33A83A26A28A29A30A31A32A8A158A255A27A29A21A33A34A52A35A24A30A36A41A37A28A31A39A40A96A42A14A43A5A13A27A44A45A31A32A38A112A46A47A48A49A247A50A51A53A54A82A55A50A98A56A57A58A54A129A59A50A60A61A62A155A63A64A65A66A67A60A61A68A145A239A69A70A69A70A145A239A69A70A69A70A126A127323压控增益放大A60A71A129A72A73A74A75A76A77A78A79A80A145A81A145A239A69A70A69A239A84A234A54A75A76A77A129A72A131A85A86A129A72A73A74A60A71A87A88A67A103A89A90A91A229A230A77A92A93A63A73A74A60A71A87A88A92A93A176A87A88A94A54A95A97A99A100A101A250A102A66A129A72A73A74A67A145A239A69A70A69A239A60A71A129A72A73A74A75A76A77A78A79A80A145A235A104A105A106A239A107A108A104A109A102A66A97A110A129A72A73A74A75A76A77A63A240A111A106A196A113A114A109A115A67A104A235A105A106A239A160A97A110A129A72A75A76A77A116A240A111A106A196A113A114A117A166A118A240A119A106A106A87A90A120A121A71A122A123A116A97A124A125A128A130A60A132A77A134A69A240A106A104A109A212A240A87A90A87A135A136A239A106A104A109A212A240A106A106A87A90A87A135A63A137A138A139A140A130A141A76A129A72A116A134A104A109A90A87A192A87A90A87A63A102A66A129A72A142A143A144A146A147A116A148A149A150A98A151A235A104A105A106A239A152A97A153A154A156A157A75A76A176A149A150A63A239A159A153A161A67A81A145A239A69A70A69A239A145A239A69A70A69A239A126A127324峰值检测A134A162A98A56A108AD603A99A100A71A73A75A76A163A92A93A63A60A71A97A164A118A165A150A92A93A63A60A71A108A98A65A63A167A168A54A81A169A167A168A170A76A171A170A163A56A172A65A129A72A173A123A75A76A174A175A63A177A167A178A179A129A76A67A84A153A149A150A134AD603A180A181A182A183A184A185A186A187A188A189A190A191A189A190A193A187A188A194A195A191A197A198ADA180A199A200A201A202A185A186A204A203A205A206A207A208DAA182A180A181A191A209A206A211A213AD603A182A214A215A191A216A217A218A219A211A213A182A220A182A191A221A180A181A222A223A224A225A194A226A227A228A228A231A232A233A232A236A225A228A231A232A233A232A236A237A238325后级功率放大A241A242A243A180A181A244A214A246A248A249A251A253A254A255A191A42A0A1A182A43A2A3A78A76A4A5A138A6A225A79A10A9A7A251A253A131THS3001A81A8A2A3A11A12A78A76A241250MAA191A180A181A176A253A194A19510VA191A2A350A85A191A47A254A255A13A14A15A43A16A60A183A17A249A182A194A65A86A87A18A9A251THS3001A228A231A232A233A232A38A25A234A191A19A198A84A20A190A21A191A89A162A194A226A180A181A49A22A23A1030A85A24A191A197A58A43A253A1010MHZ,A180A181A244A9350A85A24A2A3A26A191A94A27A28A176A253A180A181A45A29A183A194A195A187A187A188A253A1010VA225A228A231A232A233A232A38A237A238326单片机控制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软件设计41系统总程序框图A12241A123A124A125A128A130A132A133A125A128A130A132A134A135A136A139A135A140A141A142A143A144A146A147A148A149A151A144A146A144A146A152A153A154A156A152A153A233A157A158A159DA/ADA144A146A161A16342核心程序代码INCLUDE“MSP430X16XH“DEFINEUCHARUNSIGNEDCHARDEFINEUINTUNSIGNEDINTDEFINEAD9833_FSYNC_HP3OUT|BIT3DEFINEAD9833_FSYNC_LP3OUTVOIDWAVE_GENERATEUNSIGNEDLONGFREQ,UNSIGNEDCHARSHAPE/A164A165A166A167A168DELAYMSA186A169A170A171A172A165A168INTTIMEA177A171A172A165A168A174/VOIDDELAYMSINTTIMEINTIFORTIME0TIMEFORI0I0IQ0/A205A184,A206A207XT2A208A195WHILEIFG1/A210A211XT2A212A213A208A195BCSCTL2|SELM_1/A214A215A184A185A216A218XT2A219A220A221A222BCSCTL1/A199A223XT2VOIDMAINVOIDWDTCTLWDTPWWDTHOLDP3DIR0XFFP2DIR0XFFP3OUT0XFFP2OUT0XFFAD9833_FSYNC_HAD9833_SCLK_LWAVE_GENERATE800000,1A175A178WHILE1VOIDSEND_WORDUNSIGNEDINTDATA_INUNSIGNEDINTI,JAD9833_SCLK_HAD9833_FSYNC_LFORI0I15J0X01WHILEJAD9833_SCLK_LDATA_INDATA_IN10000000FREQ10000000SWITCHSHAPECASE0CONFIG_DATA00X2108CONFIG_DATA70X2008BREAKCASE1CONFIG_DATA00X210ACONFIG_DATA70X200ABREAKCASE2CONFIG_DATA00X2128CONFIG_DATA70X2028BREAKDEFAULTCONFIG_DATA00X2108CONFIG_DATA70X2008BREAK/20M134218/196608M136533/16M167772/24M111848TEMPFREQ1118477A175A178CONFIG_DATA1TEMPCONFIG_DATA3CONFIG_DATA1CONFIG_DATA2TEMPCONFIG_DATA4CONFIG_DATA2CONFIG_DATA1CONFIG_DATA1|0X4000CONFIG_DATA2CONFIG_DATA2|0X4000CONFIG_DATA3CONFIG_DATA3|0X8000CONFIG_DATA4CONFIG_DATA4|0X8000CONFIG_DATA50XC000CONFIG_DATA60XE000FORK0K8KSEND_WORDCONFIG_DATAKA175A1785系统测试方法与测试数据51测试仪器A243A244A245A197A245A197A166A167A246A248A249A251A165A252A253A194A254VC9800A255A109A0A165A252A74A224A197TDS100260M1GS52测试方法与测试数据53开关电源的调试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测试结果分析A243A244A13A3A221A4A168A96A5A13A3A212A6A141A30A43A7A8A193A142A107A56A243A9A193A219A176A177A13A3A10A11A12A143A218A219A144A14A212A222A228A33A146A61A147A15A187A51A219A43A96100A85A193A7A8A115A176A177A16A17A30A25A56A18A33A232A235A224A193A176A177A222A228A1910M,A238A224A20A236A237A224A193A222A228A21A187A22A242M,A201A95A11A12A91A33A62A26A221A4A168A103A27A150A218A151A165A152A6A62A26A219A183A28A71A29A31A32A224A38A155A167A34A52A156A36A37A39A38A40A41A42A36A44A75A45A46A140A47A48A80A253A38A207A49A50A53A54A55A57A58A40A41A59A157A60A61A63A64A65A66A46A76A67A68A69A705A72A73A77A89A162A78A79A81A82A