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RFSA2013TR7

发布时间:2019/10/9 10:02:00 访问次数:35发布企业:深圳市创宝来科技有限公司

.PatentPendingCircuit

Architecture

.Broadband50MHzto6000MHzFrequencyRange

.30dBAttenuationRange.+50dBmIlP3Typical

.+80dBmIlP2Typical.High1dBCompressionPoint>+30dBm

.LowSupplyCurrent1mATypical.5VPowerSupply.LinearindBControlCharacteristic

GND[1

NC[2

RFIN[3]

Nc[4

ЦJLL

CONTROLBLOCK

ATTEN

5___ẞgg

FunctionalBlockDiagram

ProductDescription

2GND

INC

-[10RFOUT

NC

.InternalTemperature

Compensation

.Class1CESD(1000V)

.3.3VVersionAvailable(RFSA2023)

.CompleteSolutioninaSmall3mmx3mm,QFNPackage

Applications

.Cellular,3GInfrastructure.WiBro,WiMax,LTE

RFMD'sRFSA2013isafullymonolithicanalogvoltagecontrolledattenuator(VCA)featuringexceptionallinearityoveratypicaltemperaturecompensated30dBgaincontrolrange.Itincor-poratesarevolutionarynewcircuitarchitecturetosolvealongstandingindustryproblem:highIP3,highattenuationrange,lowDCcurrent,broadbandwidthandtemperaturecompensatedlinearindBcontrolvoltagecharacteristic.ThisvoltagecontrolledattenuatoriscontrolledbyasinglepositivecontrolvoltagewithonchipDCconditioningcircuitry.Theslopeofthecontrolvoltageversusgainisselectable.TheRFSA2013drawsaverylow1mAcurrentandispackagedinasmall3mmx3mmQFN.Thisattenuatorismatchedto50Qoveritsratedcontrolrangeandfrequencywithnoexternalmatchingcomponentsrequired.TypicalVCA'sinthisperformancecategoryhavepOOrinherentattenuationversustemperatureandpoornonlinearattenuationversuscontrolvoltagecharacteristics.Tocorrecttheseshortcomings,otherVCA'srequireexten-siveoffchipanalogsupportcircuitrythatconsumevaluablePCBareaandaddtionalDCpower.Thisgamechangingproductincorporatesthecompletesolutioninasmall3mmx3mmQFNpackagethatreducesthefootprintby20XinareaandreducestheDCpowerby10Xovercon-ventionalPINdiodeapproaches.

.MicrowaveRadio

.HighLinearityPowerControl

OrderingInformation

RFSA2013SR7"Samplereelwith100piecesRFSA2013SQSamplebagwith25piecesRFSA2013TR77"Reelwith2500pieces

QFSA2013DCK-A10_50MHzto6000MHzPCBAwith5-piecesamplebag



RFSA2013TR7

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