基于dds%2bpll技术的线性调频信号发生器的实现

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1、ᑖ.UDC᪺᪍ᵯᢈᜧắᦻ⚪DDS+PLLᢈḄឋ⚣ᘤḄ(ᦻ)_____ImplementationofLFMWaveform-Generator_______________BasedonDDS+PLLTechnology________研指究生姓姓名务张帅_师名职、Ml：ắ：ᜐᳮᦻ：20114ᨴᦻ：20116ᨴᨴ万方数据ឋ（ᡈឋ）ᡠᕈḄᦻ!ᡃ#ᙠ%&ᢣ%()*ḄẆ,-./01ḄẆ,ᡂ3。5ᡃᡠ6，◀9ᦻ:ᱯ<=>᪗@ABC:ᡠDᑡḄᑁG>

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3、ºḄᦻᙠº⍳¼½）ᦻºᙠ—¿º〉ᵨᣴᩗ_。：:%&::万方数据᤺⌕᤺⌕ÄÅÆÇPᘤ!ÉÊᵯËÌḄÍ⌕Îᡂ°ᑖ，ÏDDS+PLLᢈÕḄÄÅPᘤÖ×ØᵨÙÆ、ÚÛ、%Ü、ÝÞ、ßᶭá⚞ã。ᦻ✌ᐜ▊çÄÅÆÇPᢈÕḄPèᔊê，iëìᦪî⚣᳛ᔠᡂᢈÕDDSᐺóḄËᑡôᱏ)*9ÏឋöḄ÷ø，g ùi┝⚣᳛ᔠᡂᢈÕ:ḄADF4360Ëᑡ┝ôᱏ)*ç；Ẇ,DDS+PLLḄÄÅᘤᢈÕḄÏᳮ/ᐸ；ᨬ⌱DDSËᑡ:AD9852ôᱏAPLLôᱏADF4360-7.WᦻḄÄÅÆÇPᘤḄ᪶ôᱏ。ᐸ，9ÏAD9852eADF

4、4360-7ḄÄÅÆÇPᘤḄP。ᐹẆ,9AD9852AADF4360-7Ḅᑁ°᪀、-.ᳮá，r▊çᐸ᜜!ᵯ"Ḅ，᝞：$Ù%Äᵯ"，DAC'ᢙᓛ*>/"%Äᘤá，r+,z▭:ᡠ.⌕Ḅ@t/⚗。ᙠ1§234，ᑖ<>FPGAAADF4360SoftwareiDDSAPLL)*=êÛᑴ，ᦻ:5▊ç9>ὅḄì@A=ê，AB9ᐹḄì@AêÛCD。ᨬ，ᔠz▭EFOᔊ，ᦻ9ËÌEFḄᐵGHIA3，iEF:⍗ᑮḄL⌕M⚪ABOPQ，riRSÆÇ)*9T⌕ḄUVᑖ᪆。zX⊤，ÏDDS+PLLᢈÕḄY⚣ÆÇPᘤ，ZBZB⚣[

5、、]⚣^_`>/⚣᳛ᑖa᳛bḄY⚣ÆÇ；ᵨᡝØᵨêde☢gh，i.Tj，ËÌk*l。ᐵGm：ÄÅPᘤDDSPLLFPGAI万方数据AbstractAbstractWaveformgeneratorremainsasanimportantcomponentintheelectronicsystemsnowadays.DDS+PLLplatformbasedwaveform-generatoriswidelyappliedinthefieldsoftelecommunication，monitoring,navigation,radarandmed

6、icalcareetc..Thispaperbeginswithanoverviewonthedevelopmentofwaveformtechnology,whichcompareswiththefeaturesofaseriesDDSchips.Besides,theADF4360phase-lockedloopchipappliedinPLLtechnologywasalsoexplicitlydiscussed.Thestudyonthebasicprinciplesandadvantages/disadvantagesofDDSandP

7、LLwerededuced,analysedanddiscussedtherein,thentheAD9852chipinDDSandADF4360-7chipinPLLwereeventualychosenasthethecorechipsfordesigningthewaveform-generatorSecondly,thepaperintroducesthedevelopmentanddesignoftheAD9852andADF4360-7basedwaveform-generatorDetailedinnerstructuresand

8、workingprinciplesoftheAD9852andADF4360-7wereunderintensivestudies.In