标签: epitaxial

BothelectromechanicalandsemiconductorswitchesareproventechnologiesusedinthecontrolandroutingofRFsignals.Whiletheuseofmechanicalswitchescanbejustifiedinprecisiontestequipmentsuchasvectornetworkanalyzers,size-andcost-constrainedmass-producedconsumerproductssuchascableorsatellitetelevision(CATV/SATV)deliverysystemscallforelectronicswitchesbasedoneithertransistorsorPINdiodes.Theabsenceofmovingpartsalsogivessemiconductorswitchestheadvantagesbothoffasterresponsetimesandlongerlifespansthantheirmechanicalcounterparts.AcomparisonofBulkandEpitaxialPINdiodesinlowcostwidebandRFswitchingWhitePaperI.INTRODUCTIONII.APPLICATIONBACKGROUNDBothelectromechanicalandsemiconductorswitchesRFswitchescapableofmulti-octaveoperationwithoutareproventechnologiesusedinthecontrolandsignificantsignallossarerequiredinbothtestroutingofRFsignals.WhiletheuseofmechanicalinstrumentsandCATV/SATVequipment.Amulti-carrierswitchescanbejustifiedinprecisiontestequipmentenvironmentlikeCATV/SATVimposesastringentsuchasvectornetworkanalyzers,size-andcost-linearitydemandontheswitch:itmustnotintroduceconstrainedmass-producedconsu……