Qhov kev kuaj ntsuas twg los xyuas kom meej qhov zoo ntawm optical transceiver?
Nyob rau ntau kauj ruam kev kuaj ua ntej ua zaub mov xa tuaj, ob peb lub ntsuas tseem ceeb heev. Tsuas yog thaum cov ntsuas no ua tau raws li cov qauv tsim nyog, kev ua haujlwm kho qhov muag tau tuaj yeem tsim kho tau. No tsis suav nrog:
kis lub zog kho qhov muag, txais qhov tsis hnov tseeb, kev tsis ncaj ncees tam sim no, lub zog kho qhov muag, qhov tsis sib luag, thiab kev ua haujlwm kub.
Yuav ua li cas los ntsuas lub zog kho qhov muag ntawm lub ntsej muag kho qhov muag?
Ua ntej peb yuav tsum to taub dab tsi yog qhov kis tau kho qhov muag hluav taws xob.
Cov khoom xa tawm kho qhov muag hluav taws xob hais txog qhov tawm ntawm lub zog kho qhov muag ntawm lub qhov txuas hluav taws xob ntawm qhov kev xa cov khoom siv kawg ntawm qhov ntsuas ntawm lub ntsuas hluav taws xob, nws noj dBm raws li chav ntsuas. Nws yog qhov tseem ceeb ntawm qhov ntsuas ntawm cov kho qhov muag thiab yuav cuam tshuam ncaj qha rau qhov zoo ntawm kev sib txuas lus network.
Dab tsi yog qhov ua rau lub zog tsis zoo ntawm optical transceiver?
(1). Lub hwj chim tsis phim nrog kev tawm tsam
(2). Muaj qhov tsis zoo lossis lub cev tsis zoo ntawm tsav nti
(3). Cov khoom tsis zoo xa tawm TOSA lossis PD + tus pin sib koom tes tsis muaj tseeb
(4). Cov hlau nplaum hlaws rau ntawm LD + thiab LD- cov cim kab yog qhov tsis xws lossis ploj lawm
(5). Lub Cheebtsam (lub zog tsis kam, tsis kam, ua tsis taus lossis sib nqus hlaws) ntawm tus taw ntawm lub nti cia yog cov tsis xws luag lossis ploj lawm
Yuav ua li cas los ntsuas lub zog kho qhov muag ntawm lub ntsej muag kho qhov muag?
Cov cuab yeej dav dav muaj lub hwj huam kho qhov muag siv hluav taws xob thiab cov yeeb yaj kiab kho qhov muag. Cov kauj ruam xeem yog raws li nram no:
(1). Lub ntsuas hluav taws xob tau siv los ntsuas qhov tawm ntawm lub zog tawm ntawm lub tshuab hluav taws xob optical fiber transmitter.Industry cov qauv txhais cov hluav taws xob nkag ntawm lub zog hluav taws xob tshwj xeeb cov qauv network rau cov khoom xa thiab cov txais khoom.Qhov kev txais thiab cov xa tawm yuav tsum sib phim, thiab cov hluav taws xob tso tawm ntawm lub transmitter yuav tsum yuav tsum nyob hauv qhov kev cai tswjhwm;
(2). Txuas lub twj xa mus rau qhov txais, xyuas seb nws puas tuaj yeem ua haujlwm tau raws li qhov siab tshaj plaws qhov ntsuas hluav taws xob tau muab los ntawm lub tshuab xa tawm, thiab mam li ntsuas cov khoom txais nrog qhov tsawg kawg nkaus optical input zog uas tuaj yeem tau txais los ntawm tus txais kom pom tias tus txais tseem tuaj yeem muab kev ua tau zoo tshaj plaws;
(3). Xam cov qib qib uas yuav tsum tau ua kom tiav rau hauv txoj kev kuaj.Calculation: yog tias cov khoom siv hluav taws xob tsim tawm ntawm lub qhov hluav taws xob yog -15 dBm, thiab qhov tsawg kawg nkaus rau cov khoom siv hluav taws xob tsawg kawg ntawm lub txais khoom yog -32 dBm, qhov sib txawv ntawm ob yog 17dB. Lub 17 dB optical fiber attenuator tuaj yeem siv tau thiab tus txais yuav rov ua tiav.
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