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RFDirectionalCouplersand3dBHybridsOverviewApplicationNoteRFDirectionalCouplersand3dBHybridsOverviewDirectionalCouplersForprovidingasampleofthepowerpropagatinginonedirectiononatransmissionline.M560V2.003dBHybridsFordividingasignalintotwosignalsofequalamplitudeandaconstant90°or180°phasedifferential.Forquadraturecombiningorperformingsummation/differentialcombining.coupler”,“90°hybrid”,and“180°hybrid”isbasedonconvention.However,the90°and180°hybridscouldbethoughtofas3dBdirectionalcouplers.Despitethesesimilarities,theparametersusedtodescribesignalflowindirectionalcouplersandtheapplication,inactualuse,issufficientlydifferenttowarrantseparateconsiderations.180°HybridsFunctionalDescriptionA180°hybridisareciprocalfour-……