MAX19993设计的1.2-1.7GHz下变换混频方案

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MAX19993主要特性：
S1200MHzto1700MHzRFFrequencyRange
S1000MHzto1560MHzLOFrequencyRange
S50MHzto500MHzIFFrequencyRange
S6.4dBTypicalConversionGain
S9.8dBTypicalNoiseFigure
S+27dBmTypicalInputIP3
S15.4dBmTypicalInput1dBCompressionPoint
S72dBcTypical2RF-2LOSpuriousRejectionatPRF=-10dBm
SDualChannelsIdealforDiversityReceiverApplications
S47dBTypicalChannel-to-ChannelIsolation
SLow-6dBmto+3dBmLODrive
SIntegratedLOBuffer
SInternalRFandLOBalunsforSingle-EndedInputs
SBuilt-InSPDTLOSwitchwith57dBLO-to-LOIsolationand50nsSwitchingTime
SPinCompatiblewiththeMAX9985/19985A/MAX9995/MAX19993A/MAX19994/
MAX19994A/MAX19995/MAX19995ASeriesof700MHzto2200MHzMixers
SPinSimilartotheMAX19997A/MAX19999Seriesof1850MHzto4000MHzMixers
SSingle+5Vor+3.3VSupply
SExternalCurrent-SettingResistorsProvideOptionforOperatingDeviceinReduced-Power/Reduced-PerformanceMode
MAX19993应用：
WCDMA/LTEBaseStations
WirelessLocalLoop
FixedBroadbandWirelessAccess
PrivateMobileRadios
MilitarySystems



图1。MAX19993方框图



图2。MAX19993典型应用电路图
元件数值列表：