應(yīng)用于無線傳感器網(wǎng)絡(luò)節(jié)點(diǎn)的低噪聲放大器設(shè)計(jì).pdf

1、東南大學(xué)碩士學(xué)位論文應(yīng)用于無線傳感器網(wǎng)絡(luò)節(jié)點(diǎn)的低噪聲放大器設(shè)計(jì)姓名：余振興申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：軟件工程集成電路方向指導(dǎo)教師：李智群李祖華20110413ABSTRACTWirelessSensorNetwork(wsN)isawirelessnetworkcomposedofplentyofsensornodesitsapplicationisverywidesuchasenvironmentalscience，trafficcon

2、trol，disasterprediction，municipalinformationinfrastructure，ereLowNoiseAmplifier(LNA)isoneofthemostkeyRFfrontendmodules，anditscapabilityhasastrictlyeffectonthewholeRFfrontendandtheWSNsubstantiallyThethesisgivesasurveyofto

3、pologiesforLNAandoptimizationtechnique，andanalysesoneofthemostwidelytopologiesfornarrowbandLNA，thecomlTlOnsourceamplifierwithinductiveSOurCedegenerationSomedesignaspectsonLNAwhichisappliedtoWSNarediscussedindetail，includ

4、ingtopologies，bias，matching，noiseoptimizationandvariablegainThearticlegivessimulationresultsandanflysisofthecircuitInthetypicalcomerandroomtemperatureconditionthepostsimulationresultsofthethreemodeLNAachieves187，112，11dB

5、powergain18，40，91dBnoisefigure，and一76，02，37dBmIIP3，respectivelywiththefullydifferentialLNAconsumingabout5mWThesimulationresultsshowthatthedesignfulfillstheperformancerequiremententirelyPⅥvariationsarealsoanalyzedindetail

6、，sincetheyhaveasignificanteffectontheperformanceoftheRFcircuitsThisthesisproposesaresolutionthatintheiIlputusinganovelbiascircuitwhichCanmakethetransconductanceofcircuitconstantandoutputmatchingwithsomeadjustablecapacito

7、rarraythusavoidthedegenerationoftheperformanceofLNASimulationresultsshowthattheeffectofthisLNAagainstPVTvariationbetterthantheconventional，thedeteriorationofgainsmallerabout10dB，whilenoisefigureabout2dBThisLNAdesignedint