最新FiberXon-OSA产品及零件简介教学讲义ppt.ppt

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1、FiberXon-OSA产品及零件简介Content(1)OSA簡介(2)相關元器件介紹(3)OSA製程注意事項(4)OSA的分类2(1)OSA簡介OSA的位置Transceiver的組成1.OSA2.IC3.PCB4.殼件Transceiver的成本OSA佔TRx的成本普遍>70%3PONConceptPON（PassiveOpticalNetwork无源光网络）技术是一种点对多点的光纤传输和接入技术;下行采用广播方式、上行采用时分多址方式，可以灵活地组成树型、星型、总线型等拓扑结构;在光分支点不需要节点设备，只需要安装一个简单的无源光分路器，光信号在传输过程中不再经过放大和再生，网络的分路

2、由光分路器来实现。71550DFBVoice+Data(continuous)ONUUpstream(burst)Video(analog)PDmoduleDFBLDmoduleAPDmoduleDFBLDmodulePIN-TIALDDual-bandFWDMTri-bandFWDM1x8Splitter1x4SplitterTri-bandFWDMBOSAUpstream(burst)Video(analog)Voice+Data(continuous)1490DFB1310FPPON系統示意圖OLT81550DFBVoice+Data(continuous)ONUUpstream(bur

3、st)Video(analog)PDmoduleDFBLDmodulePIN-TIALDTri-bandFWDM1x8Splitter1x4SplitterTri-bandFWDMBOSAUpstream(burst)Video(analog)Voice+Data(continuous)1490DFB1310FPPDLDBOSA91550DFBVoice+Data(continuous)ONTUpstream(burst)Video(analog)DFBLDmoduleAPDmoduleDFBLDmodulePIN-TIALDDual-bandFWDMTri-bandFWDM1x8Splitt

4、er1x4SplitterUpstream(burst)Video(analog)Voice+Data(continuous)1490DFB1310FPAnalogPDTriplexer10PON系統元件MELCOB-PONProduct11PONApplication12MediaConverter系統架構(P2P)100Mbps131550nm1310nm45filter45filterTxRxTxRxReceptacleBOSAPigtailBOSAMediaConverter系統示意圖14光路示意图LDPDFilterFiberConnector1490nmPIN-TIA1310n

5、mLaserDiode1550nmPhotodiode12356(1490nm)(1550nm)(1310nm)415BOSA基本结构LDTo-CanEngineBasePigtailHolderFilterPDTo-CanFilterHolderPigtail16(2)相關元器件介紹17器件分類ActiveComponentPassiveComponentMetal&PlasticHousing18ActiveComponent主動元件(coaxialtype)上游中游下游chipchipTO-canTOSA/ROSALDmoduleTransceiverEnduser,Sub-system

6、,System(Butterfly,Pigtail,Receptacle)主動元件(rectangulartype)(Packaging)19LDTO-canCap(Aspherical/ballLens)Header(Stem)ChipMonitorPDSubmount20TOSA基本结构SiOBLenscapwith8OfacetHeaderZ-BushingReceptacleIsolatorLensWindow-capPDChipLDChipFiberStubSplitSleevePDSubmountPDChipLDChipLDSubmountHeader+SiOB+LDChip+PD

7、Chip+Cap=To-CanTo-Can+Isolator+Z-Bushing+Receptacle=TOSATo-Can21TOSA/ROSA常见问题介绍(To-Can)镀金层划伤、缺损或粘有焊锡等管脚粘有焊锡或镀金层缺损镀金层氧化To-Can封盖开缝To-Can封盖焊带缺陷To-CanCap玻璃开裂BATo-Can玻璃封装碎裂或脱落To-Can玻璃封装碎裂或脱落22Cap’scharacte