W頻段混合集成VCO研究.pdf

1、電子科技大學(xué)碩士學(xué)位論文W頻段混合集成VCO研究姓名：高峰申請學(xué)位級別：碩士專業(yè)：電磁場與微波技術(shù)指導(dǎo)教師：徐銳敏20040101電子科技大學(xué)碩士學(xué)位論文AbstractInthisthesis，researchonaWbandhybridintegratedVCOiSpresented，andthefirstdomesticdesignforaWbandmicrostripintegratedGunnVCOiSproposedThes

2、imulation，assemblingandtesLingoftheVCOarealSOgiyenMillimeter—waveoscillatorsareheartsofmillimeter—wavesystems，andkeycomponentsofmillimeterwavesystemsforradars，communications，electronic—warsandSOonToday，millimeter—wavesys

3、temsareexpectedtobemoreandmorecompactandlight，SOreductionofbothdimensionsandweightofthecircuitsisneededWhat’smore，excellentperformanceis缸soexpected。includinghighoutputpower]evelS，broadtuningbands，lownoisefigureandpropers

4、tructuresforeasj1yassemb]insBecauseofthecurrenttechnologyinChina，planarhybrjdjntegratedgCOsaregoodfordesignAtthebeginning，thedevelopmentsofWbandplanarhybridintegratedmillimeterwaveVCOsarereviewed，andaGunndiodeisselecteda

5、stheactivedeviceduetothecurrenttechnologyofsemiconductorinChinaAbidingbytheprinciplefornegativeresistanceoscillator，theGunndiodeismodeled，andmicrostripsarechosenastransmittinglineParallelresonatinganalysiSfortheVCOiSpres

6、entedtomakesuretheVC()Wil]OSCilJateatthestipulatedfrequencyAvaractoriSusedtotunethefrequencyoftheVCO，andoptimizationisprocessedtogetbroadtuningband，Themicrostrip—waveguidetransition，thecircuitforDCbias，andtheDe—blockedca