【技术大神】基于125Mbps光纤收发器的设计应用及其注意事项

时间： 2018-03-16 来源：世强作者：drwyh

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光纤收发器在工业中应用越来越广泛，能够将电光纤信号转换成电信号进行传输，通常实际生活中应用电口居多，然而电口信号抗干扰能力差，而光纤抗干扰能力强，具有传输距离远的优势，故光纤收发器产品得到广泛的普及。

光纤收发器设计需要满足工业需要，考虑成本要求，光纤收发器主要由交换芯片，光纤模块，网络变压器，网口，电源，配置芯片组成，成本主要集中在光纤模块和交换芯片，当然配套的光纤也是不小的成本，光纤收发器的系统框图如图1所示。

图1 光纤收发器的系统

本文主要介绍笔者在设计光纤收发器中的光纤模块的选择。光纤模块的选型需要综合考虑成本、速率、功耗、尺寸和光纤线缆成本。在笔者的项目中选型需求速率为100Mbps。100M光纤模块常见波长为850nm，1310nm，一般光纤模块功耗在0.5W左右，体积较大，对应的光纤线缆成本较高。

正在选型瓶颈时，通过世强了解到FIRECOMMS的FB1M2KPR模块，其速率为125Mbps，实际传输距离可以达到100M，可以达到工业级温度-40℃～85℃。同时该模块体积非常小，尺寸仅15.5*13.9*11.8mm。FB1M2KPR的功耗在3.3V时仅仅80mA，是采用波长为650nm的光纤，可以大大节约光纤成本，传输距离可以达到50M，满足一般工业光纤收发器需要。了解到了上述的参数，笔者发现这款模块非常满足笔者的光纤收发器应用需求，于是当即决定选用该模块。在电路设计时交换芯片直接输出与FB1M2KPR直接采用交流耦合连接，如图2所示的FB1M2KPR收发器电路图。

图2 FB1M2KPR收发器电路图

当然，虽然参数很满足但还是需要对最终采用的效果进行测试。笔者选择光纤在通信过程中施加干扰时数据帧的丢失情况，实际拿了FB1M2KPR和国内厂家的光模块进行比对，最后测试FB1M2KPR下来，性能是非常优异的，在静电测试上面优于国内厂家的模块。

图3 FB1M2KPR收发器测试结果

从笔者的项目经验出发，总结了在工业光纤收发器设计时需要注意的以下事项：

1.设计光纤收发器，如果设计100Mbps的速率，需要能够满足测试要求，测试达到线速不丢帧，需要在PCB设计时候，差分线做等长设置；

2.光纤模块的去耦需要做好，一般推荐PI型滤波电路；

3.交换芯片配置为全双工模式，最好有LED灯指示，这样更加直观形象；

4.光纤模块在不使用的时候需要用塞子塞住，避免光纤头受到污染，影响传输距离；

整个设计出了光纤收发模块选择工业级以外，其他器件也需要选择工业级器件，满足工业级的要求。

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wch7475 Lv8. 研究员 2019-05-20

不错
yingqiming Lv7. 资深专家 2019-05-07

不错
用户85806204 Lv7. 资深专家 2019-03-21

学习
铪铪 Lv5. 技术专家 2019-03-08

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高速，厉害了

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用户38544856 Lv8. 研究员 2019-01-09

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SERIES,RSX201L-30,BD42530EFJ-C,BD18362EFV-M,EDZVFHT2R2.0B,RSJ400N10,SML-D12D8W,RB058LAM-30,SML-D14VWA,BU92T101,BD4XXM2FP3-C,RUQ050N02,RF305BM6S,2SB1197K,SML-D14YW(A),BD9S000NUX-C,DTA115TX,BD2069FJ-M,RBQ10NS100A,RB451UM,RF201L2S,RBR3LAM60B,RBR3LAM60A,BD450M5WFP2-C,BSS670,DTB114GX,BD48EXXG-M SERIES,RSJ400N06,BD7XXL2FP3-C,BD9035AEFV-C,BD33GC0MEFJ-M,RB238NS100,SML-811VT,2SB1198K,RB068L-60 81,RR268MM-600,BAS40-05HM,BD1HC500FVM-C,RHK003N06,DTD123YX,BD42500G-C,RB500SM-30,RB228T100,RB168LAM-30,RFUH25TB3S,BD22641G-M,MMBZ24VAL,SCT3017ALHR,RGS00TS65EHR,SML-811UT,BD78326EFJ-M,VS22VUA1LAM,SML-Z14YT(A),BD42540FJ-C,RF201L4S,RFNL5TJ6S,DTB114EX,AG009DGQ3,VS28VUA1LAM,YDZV SERIES,SML-Z14PT(A),BD33C0AFP2-C,BU92RTF82,RB168LAM-40,RSS065N06,SML-D13WWA,UMZ8.2NUM,SML-D13FW,2SCR372P,BD45EXX5G-M SERIES,SSTA06,RFNL20TJ6S,RBR3L30B,UM6K31N,RBR3L30A,BD00C0AWFP2-C,ML9092-03,ML9092-02,BR93H,ML9092-04,RF01VM2S,UMH10NFHATN,BD46EXX5G-M SERIES,FMY1A,RBQ30NS45B,BD82004FVJ-M,RBQ30NS45A,SML-811WT,SMLMN2SB1AW,RBR10BM30AFHTL,RBR40NS60A,BD9060F-C,MR45V064B,RB058LAM-60,RFUH20NS6S,RB168LAM-60,SML-D13DW,BZX84C SERIES,RESD1CAN,US6K41,BD35395FJ-M,BD80C0A,SP8M41,BD81A44MUV-M,EMH25FHAT2R,BD16938EFV-C,BD2266G-M,BM6101FV-C,MMBZ20VAL,BD80C0AFP-C,BD50C0AHFP-C,BDJ0GA3MEFJ-M,RFN10BM6S,RB511SM-40,VS11VUA1LAM,ML9092-01,BD50C0AFP-C,RBQ10NS45A,RFN10T2D,RF101LAM2S,BM61S41RFV-C,RB088T-60,SML-D14DW,RB501VM-40,RB168L100,BD1HC500HFN-C,BAS40-06HM,2SAR553P,RF2001NS3D,BV1LC150EFJ-C,ML86V8401,RJK005N03,BD9SXXX,EMB4FHAT2R,SML-Y18U2TC,SMLM22BN1T,BD33C0AFP,BD15HA3MEFJ-M,BD90302NUF-C,BD46EXX5G-M SERIES,RB551VM-40,BD4XXM5WFP2-C,ML9098B,RF2001NS2D,2SAR574D3,SP8M51,RGS80TSX2DHR,BU30JA2DG-C,SML-D12P8W,UMB10NFHATN,RB088BM150,RB088LAM100,KDZV,RGPZ10BM40FH,2SAR552P,RR601BM4S,RB088T-40,SML-D15系列,QS8K2,SML-D15U2W,EMB2FHAT2R,RFNL15TJ6S,RD3H080SP,BD733L2FP-C,SML-Z14PTA,RSX201LAM30,BM60056FV-C,SMLMN2BCT,RB088T-30,DA228WM,RB160LAM-90,BD90C0AFP2-C,QS8J4,DTD114EX,RB168MM-60,RF1001T2D,BD50C0AWFP-C,RSJ250P10,BV1LC105FJ-C,2SAR554P,BA2902YF-C,BD9060HFP-C,RB168L150,UMZ1N,YDZV SERIES,BA2902YF-M,RGS50TSX2DHR,RBR1L30A,RF301BM2S,BSS5130,RBR15BM30A,RB168MM-30,SCS208AGHR,SML-D14DWA,BD48E23G-M,RGPR30BM40HR,CSL1001YT,MSM56V16160NP,EMH10FHAT2R,ML9488,ML9489,BA4558YF-M,BU91600FV-M,ML9484,DA228UM,BD41000FJ-C,ML9480,DTD114GX,BD90C0AWHFP-C,RB168MM-40,BD433M2FP3-C,BU97550KV-M,RBR10BM40A,RHP020N06,ML9477,RF101LAM4S,BDXXHA5MEFJ-M,ML9475,BA3474YFV-C,ML9476,BD733L2FP3-C,ML9473,ML9471,ML9472,2SARA41C,EMD3FHAT2R,ML9470,BA4560YFVM-M,RBR1MM40A,RB078BM30S,BU30JA2VG-C,BD15HA5MEFJ-M,RHU003N03,R8008ANJ,UCR100,SCT3060ALHR,RB541SM-40,BD30GA3MEFJ-M,RB088LAM150,RSS100N03,UMZ30NUM,RD3L220SN,MD56V82161A-XXTALQ2X,KDZLV,BD25HA5MEFJ-M,RB531VM-40,1SS390SMFHT2R,RB168LAM100,BD90GC0MEFJ-M,DTC143TX,SCS215AJHR,RFN2LAM6S,RB238NS-60,ML9059E,RBR5LAM30A,BD9SXXX系列,BV1HJ045EFJ-C,BD50C0AW,2SAR513P,MMBZ9V1AL,RBR20BM60A,BD50GA3MEFJ-M,ML9445,RB088T150,2SC4102U3,BD80GC0MEFJ-M,RB558WM,BU33SD2MG-M,RBQ15BM45A,ML9058E,RTQ025P02,BU91R63CH-M,RBQ30T65A,2SAR512P,2SA1579U3,SMLMN2WB1CW,BDJ0GA5MEFJ-M,RTQ035N03,RBR30T40A,RFN2LAM4S,RBR5LAM30B,BU91795MUF-M,DTD123EX,BAV99HM,DTC143ZX,RTR025N03,SCS215KGHR,BD49EXXG-M,BD3575YFP-M,RFN2L4S,SML-D13WW,RB168MM150,SML-Z14UT(A),BD30IC0MEFJ-M,MD60Y1G160A-XXLALQ3L,BD60GC0MEFJ-M,SMLMN2BCT(C),BA2903YFV-M,RBR2VWM40A,2SCR544P,RB075BM40S 84,BU18JA2VG-C,BD37068FV-M,2S

2019年09月 - ROHM - 选型指南 - Ver.2.5 代理服务技术支持现货查询批量订货

晶振生产流程：选材至成品，创捷18道工艺全揭秘

晶振是一种能够产生稳定频率振荡信号的元器件。它广泛应用于电子设备中，如计算机、汽车电子、通信设备、消费电子产品等。晶振的质量和性能对设备的正常运行和精确计时至关重要。本文将介绍晶振的生产流程，从原材料的选择到最终成品的制造过程，为读者提供一个全面的了解。

2024-11-15 - 技术探讨代理服务技术支持现货查询批量订货

5G通讯有机硅解决方案，为您的通信设备保驾护航

有机硅材料因其独特的物理和化学性质，在这些5G通讯产品组件中发挥着不可替代的作用。由此润禾推出了一系列为5G通讯设备设计的有机硅材料解决方案，为您的通信设备保驾护航。

2024-10-09 - 产品代理服务技术支持现货查询批量订货

电子元件热点跟踪丨2023-2028年，全球电感器的市场规模的年均增幅约为6.0%

近日，电子元器件市场研究机构智多星顾问发布了《2024年版中国电感器市场竞争研究报告》。报告显示，2023年，受经济环境严峻影响，计算机、高端装备、通信设备、工业设备和医疗电子等领域用电感器市场都出现了不同程度的下滑。但新能源车市场、光伏、储能和新能源充电桩建设等领域需求火爆，拉动了汽车电子和电力与能源领域继续保持高速增长。

2024-07-23 - 行业资讯代理服务技术支持现货查询批量订货

优译（UIY）微波通信器件选型指南

描述- UIY was established in 2003 in Shenzhen, China, It is an integrated enterprise, which includes research, production, marketing and service for the civilian and military microwave communications device.

型号- UIYBPF8844A,UIYBCC6466A,UIY4PD12071A,UIYDI4249A,UIYDX9580B,UIYDX9580A,UIYHPF3426A,UIYCDI9678A,UIYBCC5049A,UIYDX6733A,UIYBCC5049B,UIYWI2836A,UIYCC4550A,UIYCI1522A,UIYBSF29567A,UIYDDI12075A,UIYCDI7038A,UIYBDI5049B,UIYCA500A,UIYWI4242A,UIYBPF12021A,UIYBPF8648A,UIYBPF10060A,UIYDC3538A,UIYWI1636A,UIYBDI5049A,UIYTX120120A,UIYCA100AN18,UIYWTCWR90A,UIYBCI3434G,UIYBCI3434F,UIYWTCWR90E,UIYCT150AN3,UIYCA50AS18,UIYCT150AN6,UIYDI1925A,UIYCA300AN124,UIYDX12276A,UIYBSF202152A,UIY6RS1UB,UIYWC1027A,UIYLPF19048A,UIYDX170125A,UIY8PD199106A,UIYBCI3434D,UIYBCI3434C,UIYWI1940A,UIYBCI3434B,UIYBCI3434A,UIYMI1416A,UIYWC2225A,UIYDI5663A,UIYWC2225B,UIYBPF250166A,UIYBDC5972A,UIYMC55B,UIY8PD10875A,UIYCT5AN124,UIYHPF3733A,UIY4PD5650A,UIYLPF15830A,UIYLPF3325A,UIYDDC16080A4P,UIYDX62112A,UIYWTCWR112A,UIY8PD245174A,UIYBPF205205A,UIYWTCWR112E,UIYSI15A,UIYBPF7070A,UIYWC4444A,UIYCA300AN3,UIYBDC6434A4P,UIYCA300AN6,UIYCA300AN8,UIYHPF3734A,UIYBPF5313A,UIYBPF9033A,UIYBCC2618A,UIYCT50AN6,UIYBCC2618B,UIYCA2AS18,UIYCT50AS18,UIY8PD144103B,UIY8PD144103A,UIYWTCWR159A,UIYCT50AN3,UIYBPF6535A,UIYWTCWR159E,UIYDX121159A,UIYCA200AN8,UIYCT5AN3,UIYCT5AN18,UIYDI2020A,UIYDX260190A,UIYDDC12060A4P,UIYCA200AN6,UIYCA200AN3,UIYBDC10149A,UIYCT5AN6,UIYCT25AS8,UIYBDC10149B,UIY2T1HC422165A,UIYCI5356A,UIYCA25AS18,UIYMC33Y,UIYBPF338151A,UIYCC5356A,UIYDMC108B,UIYDMC108A,UIYBCI10149B,UIYLPF9426A,UIYBDI6466A,UIYBCC1920A,UIYBCI10149A,UIYBCC1920B,UIYDX340210A,UIYLPF4630A,UIYCA2AS124,UIYCDC7038A4P,UIY4T8RTR3UB2C,UIYBDI5028A,UIYBPF100104A,UIYSC7A,UIYDDI7046A,UIYDI5356A,UIYBCC5028A,UIYDX185155A,UIYSI12A,UIYCDC16080A,UIYWTCWR137A,UIYBDC7272A,UIYWTCWR137E,UIYSI36A,UIYDMC109A,UIYDMC109B,UIYWTCWR28E,UIYCT100AN18,UIYBCC4550A,UIYBPF4814A,UIYCT25AS18,UIYCA150AN3,UIYCDI12060A,UIYDDC3819A,UIYBCI4040B,UIYBCI4040A,UIYBPF12028A,UIYCA10AS3,UIYBPF11022A,UIYBPF4814B,UIYDC815A,UIYDDCP21424A,UIYDI4242A,UIYBPF12026A,UIYSC9B,UIYBPF4815B,UIYLPF3322A,UIYBSF12069A,UIYWI4444A,UIYSI10A,UIYLPF4520A,UIYWI2025A,UIYBDC1920A,UIYWI2025B,UIYMC77A,UIYBSF16168A,UIYBDC1920B,UIYBDI1326A,UIYBDI1326B,UIYHPF5033A,UIYBPF10068A,UIYCA2AS3,UIYCA2AS6,UIYBDC4222A,UIYCA2AS8,UIYBSF4012A,UIYCA10AS8,UIY6TC1UA,UIYCDC12060A4P,UIY6TC1UB,UIYBCC4222A,UIY2PD2828F,UIYCA10AS6,UIY2PD2828G,UIYWC3842A,UIY2PD2828A,UIY16PD22393A,UIY2PD2828B,UIYBPF10069A,UIY2PD2828D,UIYDDCP10025A,UIYCT25AN3,UIYBCI1326A,UIYCA150AN6,UIYBCI1326B,UIYCA5AS18,UIYCT25AN6,UIYBCI5049B,UIYBCI5049A,UIYCT25AN8,UIYWI1925A,UIYBSF11968A,UIYBPF9090A,UIYBPF6464A,UIYLPF8863A,UIYCC4337A,UIYHPF2822A,UIY4PD5230A,UIYBPF17384A,UIY2PD158122A,UIYBPF100145A,UIY4PD136119A,UIYDC1220A,UIYCT500AN18,UIYBPF5026A,UIYBSF17235A,UIYDDC3819A4P,UIY4PD8562A,UIYDX9976A,UIYWI2262A,UIYCT200AN3,UIYCT1000A,UIYCT200AN8,UIYCT200AN6,UIY2T1HC14244A,UIYWTCWR284E,UIYWTCWR284F,UIYCC120140A,UIYBPF5353A,UIYMI1212A,UIYDCP5525A,UIYBCC14272A4P,UIYCA10AS124,UIYDI1219A,UIYBDI2528B,UIYDX8862A,UIYBDI2528A,UIYDDC5025A,UIYDX140110A,UIYWTCWR284A,UIYBDI4040A,UIYWI2260A,UIYLPF16525A,UIYCT10AN124,UIYCA5AN124,UIYBDI4040B,UIYBCI2528A,UIYBDI2525C,UIYBDI2525B,UIYBDI2525A,UIYBCI2528B,UIY2T1HC16445A,UIYWTCWR1150A,UIYDDC1716A4P,UIYCI2528A,UIYBPF3020B,UIYCI100166A,UIYCDC6834A4P,UIYLPF4125A,UIYBSF11060A,UIYCDC6432A,UIYCA2AN6,UIYCA2AN8,UIYBCC2618B4P,UIYBPF12553A,UIYCA2AN3,UIYHPF3934A,UIYDX18484A,UIYBPF4025A,UIYCA30AS3,UIYDX14073A,UIYCA30AS5,UIYDX11880A,UIY2PD2835A,UIYCI4337A,UIYBDI1025A,UIYLPF3022A,UIYCT80AN6,UIYMI45B,UIYCT80AN3,UIYBDI6075F,UIYBPF3414B,UIYBPF3414A,UIYWI2238A,UIYCT2000A,UIYBPF11890A,UIYBPF4721A,UIY2T2RTR350158A,UIYDI80140B,UIY3PD122158A,UIYMI44B,UIYMI44A,UIYBPF7022A,UIYBPF7373B,UIYMI44C,UIYBPF7373A,UIYTX11676A,UIYBCI2618B,UIYWI4876A,UIYBDC2528A,UIYBDC2528B,UIYCT2AB3,UIYBPF10016A,UIYBCI2618A,UIYMI45A,UIYBPF15065A,UIYBDC1716B4P,UIYBPF8550A,UIYCT2AB6,UIYCDC9648A4P,UIYTX7164A,UIYDC2020A,UIYTX7164B,UIYCT500AN124,UIYWTCWR34A,UIY3T1HC30480B,UIY3T1HC30480A,UIYWTCWR10A,UIY4TC420420B,UIYWTCWR34E,UIYWTCWR10E,UIYMC1414A,UIY4TC420420A,UIYDC100100A,UIYBCC3434F,UIYBCC3434C,UIYBCC3434D,UIYBCC3434A,UIYBCC3434B,UIYBPF6817A,UIYCA100AN8,UIYCA100AN6,UIYBDC1325B,UIYBCC3434G,UIYCA50AS124,UIYDI3538A,UIYBDC1325A,UIYCA100AN3,UIYBCI4222A,UIYBSF12070A,UIYCC2525A,UIYBCC6060G,UIYCA25AS124,UIYBCC6060H,UIYBCC6060E,UIYBCC6060F,UIYLPF9923A,UIYBCC6060C,UIYBCC6060D,UIYBCC6060A,UIYBCC6060B,UIYWC3030A,UIYTX100140A,UIYWC3030B,UIYHPF3818A,UIYWI2128A,UIYLPF6420A,UIYLPF17227A,UIYBPF6020A,UIYCA10AN3,UIYCA10AN6,UIYBPF5815A,UIYWTCWR12A,UIYWTCWR12E,UIYCA10AN8,UIY2T2HC23040A,UIYCI6075A,UIYDX166125A,UIY2PD48157A,UIYDX482192A,UIYDDI4027A,UIYBPF6023A,UIYDX118118A,UIYBPF10673E,UIYBPF10673G,UIYBPF10673F,UIYDX102200A,UIYCI4550A,UIYDDI3819A,UIYBPF10673C,UIYBPF10673B,UIYWI2259A,UIYBDC5049B,UIYCDC7038A,UIYBDC5049A,UIYBSF3525A,UIYDX320420A,UIY8TC1UB,UIY2PD3728A,UIY8TC1UA,UIYBCI6466A,UIYBPF8663A,UIY2T2HC40030A,UIYBPF5817A,UIYBSF12970A,UIY2PD2619A,UIY4PD220162A,UIYBCI5028A,UIYDCP8220A,UIYBDC5028A,UIYSC15A,UIYBDC5028B,UIY4TC330330A,UIYCA500AN124,UIYDC4242A,UIYWTCWR15A,UIYBDC6466A,UIYHPF3025A,UIYHPF3025B,UIYWTCWR15E,UIYWTCWR15F,UIYBPF12080A,UIYDC5356A,UIYCT5AS124,UIYCT200AN124,

29th Mar., 2024 - 优译 - 选型指南代理服务技术支持现货查询批量订货

标称稳压值33V的稳压二极管MMBZ5257B，额定功率350mW，适用于汽车电子、工业自动化和通信设备等

在半导体分立器件领域，稳压二极管以其独特的稳压性能广泛应用于各类电子系统中。本文SLKOR将重点关注一款具有出色技术特性的稳压二极管——MMBZ5257B，深入探讨其稳压值、功率、反向电流等关键参数，并展望其应用前景。

2024-09-28 - 产品代理服务技术支持现货查询批量订货

FIRECOMMS（飞尔康）OptoLock®收发器、RedLink®接收器、光纤配件全系列产品选型表

Firecomms是提供光纤解决方案和光收发器的全球领导者，率先推出了高效 RCLED、 Optolock ®收发器以及innovative technologies创新技术，这些技术可改善客户在电力和能源、工业、交通、医疗、游戏、航空航天和消费等多学科市场领域的通信网络。此选型表可帮助客户对Firecomms 全系列产品进行一个综合选型。产品系列包含OptoLock®、RedLink®、SMI收发器、LC收发器、媒体转换器、电缆和插头、光纤配件等。

产品型号	品类	Data Rate	Polarity/Type	Orientation	Colour	Life Status
FT50MHNR	RedLink Transmitter	DC-50 MBd	Non-Inverting	Horizontal	Grey	Recommended for new designs

选型表 - FIRECOMMS 立即选型

【产品】这款PoE PD芯片让您的以太网系统省去独立输电线

Si3402是Silicon Labs针对PoE受电端设备推出的一款可支持IEEE 802.3标准的PoE受电端芯片，其可支持最大功耗可达12.95W。

2017-03-14 - 新产品代理服务技术支持现货查询批量订货

探索电子未来，东莞溪榜电子引领行业创新

溪榜电子有限公司，坐落于我国广东省东莞市，是一家专注于电子产品研发、生产和销售的专业企业，主要产品涵盖电子元器件、电子配件和电子设备等领域。作为一家技术驱动的电子公司，溪榜电子注重产品品质与创新，拥有一支经验丰富的研发团队，能为客户提供定制化的产品解决方案。在生产环节，公司依托先进的设备及严格的质量控制体系，确保产品稳定可靠。溪榜电子的产品广泛应用于消费电子、通信、汽车电子、工业控制等领域。