标签: cellular

本附录着重描述了CellularRAM器件不遵循数据手册规范的几种情况3Q04设计的细微变动将消除对所有32Mb/64MbCellularRAM器件的限制……

Abstract:ThefollowingarticleprovidesaninsightintothefeaturesandfunctionalityofMaxim'snewLObuffer/splitterfamilyMAX9987andMAX9990.Thepapercoversspecifiedparametersandtheirimportanceandimpactonsystemapplicationssuchascellularbasestationsandconcludeswithpracticalapplicationscircuits,whichconfigurethebuffer/splittercircuitstoadjustoutputpowerlevelsanaloganddigitalaswellascompensatefortemperaturefluctuations.Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSBASESTATIONS/WIRELESSINFRASTRUCTURECOMMUNICATIONSCIRCUITSHIGH-SPEEDSIGNALPROCESSINGWIRELESS,RF,ANDCABLEKeywords:localoscillator,buffer,splitter,LO,amplifier,cellular,basestation,UMTS,GSM,DCS,PCS,RFMar06,2003outputpower,mixer,temperaturecontrol,temperaturecompensation,WilkinsonsplitterAPPLICATIONNOTE1917SimplifyingTomorrow'sLODriveDesignswiththeMAX9987-90FamilyofLOBuffers/SplittersAbstract:ThefollowingarticleprovidesaninsightintothefeaturesandfunctionalityofMaxim'snewLObuffer/splitterfamilyMAX9987andMAX9990.Thepapercoversspecifiedparametersandtheirimportanceandimpactonsystemapplicationssuchascellularbasestationsandconcludeswithpr……

摘要：MAX2550是一个完整的单芯片UMTS波段1femtocell应用的无线电收发器。RD2550参考设计是基于MAX2550包含所有必要的相关组件，设计和建设具有竞争力的无线解决方案，以支持基站收发器（BTS）频段：1920MHz至1980MHz（RX）和2110MHz至2170MHz（TX）。RD2550也支持下行周围宏蜂窝的监测。这使系统能够选择最合适的工作条件（功率，编码，频率，容量等）。Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>Automotive>APP5346Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>Power-SupplyCircuits>APP5346Keywords:automotive,powercontrol,infotainment,bodyelectronics,enginecontrol,powertrain,ISO9000,TS16949Apr02,2012APPLICATIONNOTE5346PowerControlforAutomotiveApplicationsBy:MasayukiNakagawaApr02,2012Abstract:Thisarticlediscussestherequirementsanddesignconsiderationsforautomotiveapplications,includingthoseforenginecontrol,infotainment,andbodyelectronics.ItalsodiscussesseveralMaximdevicesthatareidealforautomotivepowerapplica……

摘要：本应用笔记讨论3G蜂窝femtocell基站的开发和部署。最后一公里“住宅连接在人口密集的城市环境和增加系统容量的技术难题进行了讨论，与3G毫微微蜂窝基站具有成本效益的解决方案。Maxim的兼容3GPPTS25.104的收发器解决方案，提出完整的无线电参考，如RD2550设计。有关的RD2550的详细信息，请参阅参考设计5364“，Femtocell的无线电参考设计采用MAX2550-MAX2553收发器。”Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>Basestations/WirelessInfrastructure>APP5331Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>WirelessandRF>APP5331Keywords:femto,femtocell,basestation,basestation,smallcell,macrocell,transceiver,3G,UMTS,WCDMA,cdma2000,cellular,TS25.104,EVM,transmitter,receiverApr11,2012APPLICATIONNOTE5331EmployingaSingle-ChipTransceiverinFemtocellBase-StationApplicationsBy:JerryWeiApr11,2012Abstract:Thisapplicationnotediscussesthedevelopmentanddeploymentof3Gcellularfemtocellbasestations.Thetechnicalchallengesforlast-……

摘要：MAX2550是一个完整的单芯片UMTS波段1femtocell应用的无线电收发器。RD2550参考设计是基于MAX2550包含所有必要的相关组件，设计和建设具有竞争力的无线解决方案，以支持基站收发器（BTS）频段：1920MHz至1980MHz（RX）和2110MHz至2170MHz（TX）。RD2550也支持下行周围宏蜂窝的监测。这使系统能够选择最合适的工作条件（功率，编码，频率，容量等）。Maxim>DesignSupport>TechnicalDocuments>ReferenceDesigns>Basestations/WirelessInfrastructure>APP5364Maxim>DesignSupport>TechnicalDocuments>ReferenceDesigns>WirelessandRF>APP5364Keywords:femto,UMTS,band1,GSM,WCDMA-FDD,downlink,uplink,femtocell,basestation,basestation,smallcell,macrocell,transceiver,3G,WCDMA,cdma2000,cellular,TS25.104,EVM,transmitter,receiverApr11,2012REFERENCEDESIGN5364INCLUDES:TestedCircuitSchematicBOMDescriptionFemtocellRadioReferenceDesignsUsingtheMAX2550……

摘要：本应用笔记讨论3G蜂窝femtocell基站的开发和部署。最后一公里“住宅连接在人口密集的城市环境和增加系统容量的技术难题进行了讨论，与3G毫微微蜂窝基站具有成本效益的解决方案。Maxim的兼容3GPPTS25.104的收发器解决方案，提出完整的无线电参考，如RD2550设计。有关的RD2550的详细信息，请参阅参考设计5364“，Femtocell的无线电参考设计采用MAX2550-MAX2553收发器。”Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>Basestations/WirelessInfrastructure>APP5331Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>WirelessandRF>APP5331Keywords:femto,femtocell,basestation,basestation,smallcell,macrocell,transceiver,3G,UMTS,WCDMA,cdma2000,cellular,TS25.104,EVM,transmitter,receiverApr11,2012APPLICATIONNOTE5331EmployingaSingle-ChipTransceiverinFemtocellBase-StationApplicationsBy:JerryWeiApr11,2012Abstract:Thisapplicationnotediscussesthedevelopmentanddeploymentof3Gcellularfemtocellbasestations.Thetechnicalchallengesforlast-……

摘要：介绍了影响噪声性能的移动电话手机问题。电源供应布局改善显示以减少噪音的问题。减少噪音低频率下的受雇线性稳压器。功率放大器偏压调节到射频输出上的噪音。低压差稳压器输出噪声被解释。Maxim>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:cellulartelephones,noise,powersupply,conducted,radiated,layout,GSM,TDMAJan24,2001APPLICATIONNOTE668ManagingNoiseinCell-PhoneHandsetsAbstract:Presentscellulartelephonehandsetissuesimpactingnoiseperformance.Powersupplylayoutimprovementsareshowntoreducenoiseproblems.Linearregulatorsareemployedtoreducenoiseatlowfrequencies.PoweramplifierbiasmodulatesnoiseontotheRFoutput.Lowdropoutregulatoroutputnoiseisexplained.Tobesthandletheproblemofcell-phonenoise,youshouldapplyanunderstandingofthephone'snoise-couplingmechanisms,noise-sensitivecircuitnodes,andnoise-generatingcircuits.Figure1.Switch-modeandlinearregu……

摘要：下面的文章提供了Maxim的新LO缓冲器/分配器系列MAX9987和MAX9990的特点和功能的洞察力。本文涵盖了指定的参数，其重要性和影响系统的应用，如蜂窝基站，并得出结论与实际应用电路，配置缓冲/分路器电路模拟和数字来调整输出功率水平以及补偿温度波动。Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSBASESTATIONS/WIRELESSINFRASTRUCTURECOMMUNICATIONSCIRCUITSHIGH-SPEEDSIGNALPROCESSINGWIRELESS,RF,ANDCABLEKeywords:localoscillator,buffer,splitter,LO,amplifier,cellular,basestation,UMTS,GSM,DCS,PCS,RFMar06,2003outputpower,mixer,temperaturecontrol,temperaturecompensation,WilkinsonsplitterAPPLICATIONNOTE1917SimplifyingTomorrow'sLODriveDesignswiththeMAX9987-90FamilyofLOBuffers/SplittersAbstract:ThefollowingarticleprovidesaninsightintothefeaturesandfunctionalityofMaxim'snewLObuffer/splitterfamilyMAX9987andMAX9990.Thepapercoversspecifiedparametersandtheirimportanceandimpactonsystemapplicationssuchascellularbasestationsandconcludeswithpr……

HI-FIAUDIOANDBLUETOOTHAUDIOINCELLULARCONVERGENCEDEVICESwHi-FiAudioandBluetoothAudioinCellularConvergenceDevicesDudySinaiAssistantVPofNewProductDefinitionINTRODUCTIONToday'ssmartphonesessentiallyrepresentacrossbetweentraditionalmobilephonesandsmall,hand-heldcomputersororganisers.Assuch,theyperformcommunicationsfunctionsaswellasrunningapplicationsrangingfromrelativelysimpleelectronicdiariesandgamestoword-processingandmulti-media.Thisdualuseisusuallymirroredinadualprocessorarchitecture:acommunications(“comms”)processorperformsthesignalprocessingassociatedwithcellularvoicecalls,whileapplicationprogramsarerunonageneral-purpose“appsprocessor”moresimilartothosefoundinPDAsornotebookcomputers.Thisseparationofdifferentfunctionshelpsmaintainvoice……

CellularHandsetAntennaEfficiencyMeasurementUsingtheWheelerCapWHITEPAPERCellularHandsetAntennaEfficiencyMeasurementUsingtheWheelerCapInthedesignofwirelessportabledevices,thevariabilityofantennaefficiencycanhaveagreateffectonoverallsystemperformance.RFengineersmustmakefrequentandcriticaldesigntradeoffstoimprovesensitivitybyfractionsofadecibel.However,poorantennaefficiencycaneasilycauseadegradationofseveraldecibels.AGSMsystemmighteasilypasstestinginwhichacableconnectiontotheantennaportisusedbutlosesignificantefficiencybyitsantennainthefield.ThisWhitePaperdescribestheimportanceofantennaefficiencyandprovidesameasurementtechniquethatcanbeusedtoquantifyit.Antenna“efficiency”isdifferentthanantenna“gain.”Antennaefficiencyquantifiestheresi……

(1997wiley)cellularmobileradiosystems：designsystemsforcapacityoptimizationCellularMobileRadioSystems:DesigningSystemsforCapacityOptimizationHusniHammudaCopyright1997byJohnWiley&SonsLtdPrintISBN0-471-95641-4ElectronicISBN0-470-84254-9CellularMobileRadioSystems:DesigningSystemsforCapacityOptimizationHusniHammudaCopyright#1997byJohnWiley&SonsLtdPrintISBN0±471±95641±4ElectronicISBN0±470±84254±91IntroductionThepotentialofcommunicatingwithmovingvehicleswithouttheuseofwirewassoonrecognizedfollowingtheinventionofradioequipmentbytheendofthenineteenthcenturyanditsdevelopmentinthebeginningofthetwentiethcentury[1.1,1.2].However,itisonlytheavailabilityofcompactandrelativelycheapradioequipmentwhichhasledtotherapidexpansionintheuseoflandmobilerad……

Kluwer,Kluwer-CMOScellularreceiverfront-ends……

SharpCellularPhones解决方案……