基于dds%2bpll技术的线性调频信号发生器的实现论文

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1、ឋ（ᡈឋ）ᡠᕈḄᦻ!ᡃ#ᙠ%&ᢣ%()*ḄẆ,-./01ḄẆ,ᡂ3。5ᡃᡠ6，◀9ᦻ:ᱯ<=>᪗@ABC:ᡠDᑡḄᑁG>᜜，ᦻ:IᒹKᐸMNOP⊤ᡈRᑏTḄẆ,ᡂ3；VIᒹKWX1᪺᪍ᵯᢈᜧᡈᐸYᦟ[᪀Ḅᡈ^_`aᵨTḄᩞᧇ。eᡃfg-.ḄghiẆ,ᡠjḄklmnᙳNᙠᦻ:j9pḄqr⊤s9Ct。ᵭvᦻewᧇxᨵIz{ᜐ，}~fᑗᐵk。：：ᐵᦻaᵨᣴᩗḄqᐰ9᪺᪍ᵯᢈᜧᨵᐵᶇAaᵨᦻḄ，ᓽ：Ẇ,ᙠ᪥ᦻ-.Ḅ6ᩗᓫ᪺᪍ᵯᢈᜧ。^᪥，P⊤ᦻᡈaᵨᦻ-.ᡂ3 ¡ᓫ

2、¢ᯠW᪺᪍ᵯᢈᜧ。᪥ᨵᩗᶇ〈ᦻḄ¥ᓺ§，ᐕ©ª▅A¬▅ᦻ；᪥>®¯ᦻḄᐰ°ᡈ°ᑖᑁG，>ᐕ©²ᵨ³ᓺ、µᓺᡈᐸY¥ᑴ·¸¹ᦻ。（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

3、；ᨬ⌱DDSËᑡ:AD9852ôᱏAPLLôᱏADF4360-7.WᦻḄÄÅÆÇPᘤḄ᪶ôᱏ。ᐸ，9ÏAD9852eADF4360-7ḄÄÅÆÇPᘤḄP。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，ᦻ9ËÌEFḄᐵGHI

4、A3，iEF:⍗ᑮḄL⌕M⚪ABOPQ，riRSÆÇ)*9T⌕ḄUVᑖ᪆。zX⊤，ÏDDS+PLLᢈÕḄY⚣ÆÇPᘤ，ZBZB⚣[、]⚣^_`>/⚣᳛ᑖa᳛bḄY⚣ÆÇ；ᵨᡝØᵨêde☢gh，i.Tj，ËÌk*l。ᐵGm：ÄÅPᘤDDSPLLFPGAI万方数据AbstractAbstractWaveformgeneratorremainsasanimportantcomponentintheelectronicsystemsnowadays.DDS+PLLplatformbasedwaveform-generatoriswidelyapplie

5、dinthefieldsoftelecommunication，monitoring,navigation,radarandmedicalcareetc..Thispaperbeginswithanoverviewonthedevelopmentofwaveformtechnology,whichcompareswiththefeaturesofaseriesDDSchips.Besides,theADF4360phase-lockedloopchipappliedinPLLtechnologywasalsoexplicitlydiscussed.T

6、hestudyonthebasicprinciplesandadvantages/disadvantagesofDDSandPLLwerededuced,analysedanddiscussedtherein,thentheAD9852chipinDDSandADF4360-7chipinPLLwereeventualychosenasthethecorechipsfordesigningthewaveform-generatorSecondly,thepaperintroducesthedevelopmentanddesignoftheAD9852

7、andADF4360-7basedwaveform-generatorDetailedinnerstructuresandworkingprinciplesoftheAD9852andADF4360-7wereunderintensivestudies.Inthemaintime,theperipheralcircuitdesignswerealsoelaboratedsuchasthelowpassfiltercircuit,DACimpedancematchingandloopfilter,summarisingthenecessarypreca

8、uitionsinperformingrealpricticaldesigns.UsingtheFPGAan