资源描述：
《w波段变频模块-研究》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、ABSTRACTABSTRACTWiththeincreasingofmilitaryrequirementsandtherapidgrowsofcommercialwirelesscommunicationtechnology,spectrumresourcesisbecomingincreasinglyscarce.Onthissituation,lowfrequencybandmicrowavecannotmeetthedemandoferaanymore.Theresearchonhig
2、hfrequencybandofmillimeterwaveisbecomingthehotspotofattention.ItisnecessaryforustomakegreateffortsonthestudyoftheW-bandfrequencyconversionmodule,forthereasonthatW-bandisanimportantpartofmillimeterwavebandandfrequencyconversionmoduleisthekeypointwirel
3、esstransceiversystem.Inthispaper,up-conversionanddown-conversionmoduleonthefrequencyofW-bandwasbeendeeplyresearched.Havingadetailedanalysisoftheindicators,therealizationschemeoffrequencyconversionmodulealsohadbeenproposed,inwhichwedevelopthedeviceswi
4、ththehelpofW-bandMMICchips.Andthemeasurementandanalysisonthephasecoherentindexofthemodulewasalsofinishedinthepaper.Accordingtothemethodofmodularizedcircuit,theup-conversionmoduleisdividedintothreesmallermodules,thoseareW-bandquadruplerandmixermodule,
5、W-bandfinlinefilterandW-bandamplifiermodule.Onthesameway,thedown-conversionmodulecanbedesignedintotwoparts:oneofthisisW-bandquadrupleranddown-conversionmodule,theotherisfilter,amplifierandthedown-frequencyconversionmoduleonX-bandandI-band.Firstofall,
6、wetestedeveryunitindividually.Onthebasisoftheperformanceofeachdeviceinthetest,theoverallrealizationschemehadbeenmodified.Atlast,theintegrationdesignforallunitswasfinished.Themainfocusinthisprojectwasasfollows:1.Frombothmultiplierandmixerintroducessim
7、pilythebasictheoryofinvertertechnology,citedandanalyzedseveralmajorprogramsfrequencyup-conversionanddown-conversion.2.Wesettledtheneedsofeachdeviceintheselectedpreliminaryschemeandthendeterminethefinaldesignonthegroundoffullunderstandingofeachelement
8、wechoseabove.3.WedevelopedthefinlinefilterneededinWbandfrequencycomponents.AfterIIABSTRACTstudyingdeeplyonthestructureofthefiler,werealizetherebandwidthWbandband-passfiltersuccessfullywhichbandpassis92~97GHz、88.5~101GHzand93.5~94.5GHzwiththesamekindo
