Ka全頻段四倍頻器的研制.pdf

1、電子科技大學(xué)碩士學(xué)位論文Ka全頻段四倍頻器的研制姓名：關(guān)華平申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：無(wú)線(xiàn)電物理指導(dǎo)教師：徐軍20070101ABSTRACTThispaperpresentsthetechnologyofbroadbandmultipliers，includingthenonlinearcharacteristicofthenonlineardevice＼theharmonicsbalancedmethodsofthemultiplie

2、fltheprincipleofthemultiple＼thebalunanditscharacteristicetcThentheKabandquadruplerisdesignedanddeveloped，whichcomprisestwodoublersTheinput6625～10GHzbandsignalisdoubledinthefirstdoublertothe1325～20GHzband，thentheoutputfre

3、quencyistiltedteducethefundamentalcomponentandthehigherorderharmonicsandamplifiedtocompensatethepowerofthesecondharmonicfrequencyatlastthe1325。20GHzsignalisdoubledintheseconddoublerandputouttheKabandfrequencyTestraintheu

4、selessharmonicsandexpandthebandwidth，twodoublersaredesignedasthebalancedstructureConsideringthefrequency、requestedperformanceandthesizeofthecircuit，thefirstdoubleremploysthesmallsizedMarchandbalun，theseconddoubleradoptst

5、hetinlinecircuitforits’goodperformanceIntheprocessofthestudyinganddesigningofthisprojecttwodoublersaleexperimented，whenwe枷thefeasibilityoftheirconfiguration，thewholepracticalcircuitisdevisedSomesoftwaressuchasADS＼：HFSS＼C

6、STetcareusedtosimulatingandoptimizingthedesigningofcircuitsWhenthesimulatingresultsaregood，thewholepracticalcircuitisfabricatedandtestedThetestingresultiscoincidentwiththeexpectedresultWhentheinputpoweris10dBm，theoutputp

7、owerofthisquadruplerisabove5dBm，theharmonicsuppressishigherthan30dBcThisresulttellsusthatthedesigningissuccessfulAtlasttheconfigurationoftheMarchandbalunusedinthefirstdoublerisimprovedbasedonittheexperimentaldoublerisdes