2.4GHz 天线设计

2.4GHz天线设计WHITEPAPERλ/4printedmonopoleantennafor2.45GHz1.PrefaceTakingthedemandforsmallsize,easyfabricationandlowcostintoaccountinthedevelopmentoflow-powerradiodevicesforshort-range2.4GHzapplications,aquarterwavelengthmonopoleantennaimplementedonthesameprintedcircuitboardastheradiomoduleisagoodsolution.Aprintedquarterwavelengthmonopoleantennaisveryeasytodesignandcanbetunedsimplybyslightchangesinlength.Thisarticlepresentsbasicguidelinesonhowtodesignsuchanantennaforusetogetherwiththe2.4GHztransceiverandtransmitterdevicesfromNordicSemiconductor.Thedescribedantennashouldbefabricatedonstandard1.6mm,lowcostFR4printedcircuitboard(PCB).2.Basicpropertiesofaquarterwavem