Lub mais kawg ntawm fiber ntau-rau--lub tsev tab tom muaj kev hloov pauv ntsiag to, uas tau tsav los ntawm qhov zoo li tsis pom tseeb tab sis tseem ceeb heev rau kev tsim kho thev naus laus zis.
Ntawm 2025 Mobile World Congress hauv Barcelona, Huawei tau tshaj tawm nws F5G-Kev Sib Txuas Kho Qhov Muag thiab Kev Ntsuas Kev Ntsuas, qhia txog qhov kev lag luam tsis hloov pauv ntawm "fiber hloov tooj liab." Raws li FTTH kev pab them nqi nce mus txog qhov ua kom tiav, lub hom phiaj ntawm kev sib tw ua lag luam tau hloov pauv los ntawm kev tsim kho vaj tse rau kev txhim kho cov neeg siv kev paub thiab kev ua haujlwm zoo.
Hauv cov ntsiab lus no, Cable TV optical receivers incorporating Automatic Gain Control functionality tau dhau los ua kev lag luam nyiam. Lawv tsis tsuas yog hais txog qhov mob ntawm lub teeb liab tsis ruaj khov tab sis kuj rov hais dua cov qauv kev sib kis rau kev lom zem hauv tsev.
01 Kev Lag Luam Status thiab Kev Sib Tw
Los ntawm 2025, FTTH kev pab them nqi nyob rau hauv Tuam Tshoj tau ze saturation, tsim tshiab kev thov rau metro network hloov khoom dua tshiab, 10G optical network sim, thiab xam lub hwj chim network tsim. Txawm li cas los xij, tom qab tsim cov txheej txheem yooj yim, qhov kev sib tw zais ntau dua ntawm cov teeb liab kis tau zoo.
Traditional CATV receivers ntsib ntau yam teeb meem. Thaum cov teeb liab kho qhov muag hloov pauv vim qhov kev sib kis deb, kev sib txuas ntawm cov laus, lossis qhov kub thiab txias, cov zis RF teeb liab sib cuam tshuam, ua rau cov yeeb yaj kiab khov, pixelation, lossis txawm tias cuam tshuam.
Rau cov neeg ua haujlwm hauv lub network, qhov kev tsis ruaj khov no ncaj qha txhais mus rau cov nqi kho mob siab. Cov kws kho mob yuav tsum tau nquag ua rau ntawm - qhov chaw mus ntsib los kho lub zog kho qhov muag, tshwj xeeb tshaj yog nyob rau thaj chaw deb lossis thaj chaw sib koom ua ke.
Hauv qhov loj - teev FTTH txais yuav khoom los ntawm Anhui Provincial Xov Tooj Cua thiab TV Network Lub Tuam Txhab thaum Lub Xya Hli 2025, txhua yam khoom siv qhia meej tias yuav tsum "AGC functionality." Qhov kev hloov pauv hauv cov qauv kev yuav khoom no tau lees paub qhov kev lag luam xav tau sai rau kev siv tshuab ua haujlwm ntse.
02 Yuav Ua Li Cas AGC Technology Ua Haujlwm thiab Nws Qhov Zoo
Tus nqi tseem ceeb ntawm AGC thev naus laus zis yog nyob rau hauv nws lub peev xwm los hloov kho qhov nce, tso cai rau tus neeg txais kev tswj kom muaj qib tso zis ruaj khov txawm tias thaum lub tswv yim kho qhov muag sib txawv. Daim ntawv pov thawj tau txais los ntawm Zhejiang Provincial Xov Tooj Cua thiab TV Technology Co., Ltd. qhia txog kev tsim kho tshiab. Los ntawm multi-theem teeb liab ua modules xws li photoelectric hloov dua siab tshiab circuits, kho qhov muag AGC circuits, programmable equalization circuits, thiab programmable attenuation circuits, nws zoo txhim kho efficiency thiab stability ntawm converting optical signals rau RF signals.
Precise Signal Sensing thiab Kho
Noj Qorvo's TAT6254C ua piv txwv, qhov no video receiver tsim tshwj xeeb rau FTTP SFUs muaj AGC ntau ntawm 33 dB, yoog rau qhov kev hloov kho qhov muag los ntawm -10 txog +2 dBm. Qhov no txhais tau hais tias txawm hais tias lub tswv yim kho qhov muag lub zog hloov pauv ntau dua 10 dB, lub cuab yeej tuaj yeem tswj tau qhov tsis tu ncua +19 lossis +23 dBmV ib channel RF tso zis.
Ib daim ntawv pov thawj tsis ntev los no tau los ntawm Zhimingda, "Txuas ntxiv AGC Dynamic Circuit Court nrog Dual-Threshold Anti-Jitter Fast Response," ntxiv rau kev ua haujlwm ciam teb ntawm AGC thev naus laus zis. Cov thev naus laus zis no siv dual - qhov pib sib piv tsim qauv kom tsis txhob muaj teeb meem amplitude jitter, thaum tseem ua kom lub sij hawm ruaj khov ntawm AGC los ntawm cov logic circuits.
Tsawg suab nrov thiab siab linearity
Niaj hnub nimno FTTH AGC CATV receivers ua tau zoo nyob rau hauv qhov tseem ceeb kev ntsuas ntsuas. Siv TAT6254C ua piv txwv, nws cov suab nrov sib npaug yog qis li 3.9 pA / √Hz, thiab linearity zoo dua -63 dBc rau CSO thiab CTB. Qhov no tsis tshua muaj suab nrov thiab siab linearity xyuas kom meej qhov tseeb ntawm high-txhais video teeb liab kis tau tus mob.
Cov khoom siv kho qhov muag sab nraum zoov, zoo li Boda's BD-OR series, siv high- zoo modularized PIN raj thiab Gallium Arsenide dual{2}} lub zog tso zis modules, ua ke nrog qis- tsim hluav taws xob (tag nrho chav tsev siv hluav taws xob tsuas yog 2W), tswj kev ua haujlwm ruaj khov txawm tias nyob hauv ib puag ncig sab nraum zoov.
03 Daim Ntawv Thov Scenarios thiab Cases
Cov zej zog nyob thiab tsev so
Hauv cov zej zog hauv zej zog thiab tsev so ib puag ncig, FTTH AGC CATV cov neeg txais kev pom zoo ua tau zoo. WS-OR18 series optical receivers yog tsim los rau FTTH tes hauj lwm, kev sib ntsib xav tau rau analog lossis digital signal 入户. Cov qauv zoo li OR18B thiab OR18D feature optical tswj AGC kev ua haujlwm, nrog cov teeb liab digital tau txais kev nkag siab tsawg li -18dBm.
Cov receivers no txhawb ntau - neeg siv sib koom. Piv txwv li, Boda's sab nraum zoov optical receivers muab 2 RF outputs, muaj peev xwm pab tau ntau tus neeg siv ib txhij. Cov yam ntxwv no ua rau lawv zoo tagnrho rau ntau- cov neeg siv ib puag ncig xws li cov tsev nyob thiab tsev so, txo qis ib qho nqi ntawm cov khoom siv ib tus neeg.
Sab nraum zoov thiab hnyav ib puag ncig
Sab nraum zoov optical receiver nodes siv siab - zoo aluminium alloy casings, muab cov cua kub dissipation zoo thiab shielding los. Cov cuab yeej no feem ntau muaj cov qauv kev tiv thaiv dej tsis zoo thiab kev tiv thaiv xob laim, xws li ntau- theem tiv thaiv kev tiv thaiv xob laim thiab cov txheej txheem tiv thaiv xob laim, ua kom muaj kev nyab xeeb nyob rau hauv ib puag ncig hnyav.
Kev tswj chaw taws teeb thiab ntse O&M
Ib daim ntawv pov thawj rau kev tswj xyuas qhov muag tau txais los ntawm Zhejiang Xov Tooj Cua thiab TV Technology siv cov microprocessors los pab saib xyuas thiab tswj cov chaw taws teeb, txo cov nqi tu. Cov neeg ua haujlwm tuaj yeem saib xyuas cov xwm txheej ua haujlwm ntawm ntau txhiab lub davhlau ya nyob twg los ntawm chav nruab nrab, nrog rau qhov tsis xws li cov khoom siv hluav taws xob hluav taws xob, qib tso zis, thiab tau txais lub zog kho qhov muag.
Lub peev xwm tswj xyuas tej thaj chaw deb no yog qhov tseem ceeb rau kev sib faib FTTH cov tes hauj lwm dav dav, tso cai rau cov tswv lag luam kom sai nrhiav qhov tsis raug thiab tiv thaiv cov teeb meem muaj feem cuam tshuam, hloov cov qauv O&M ib txwm los ntawm "reactive teb" mus rau "kev tiv thaiv zoo."
04 Kev Txhim Kho Yav Tom Ntej
Nrog rau kev nce qib ntawm F5G-Ib lub thev naus laus zis, FTTH AGC CATV txais tau npaj rau kev hloov kho tshiab. Yang Xi, Thawj Tswj Hwm ntawm Huawei's Enterprise Optical Business Domain, tau taw qhia tias "fiber hloov pauv tooj liab" qauv tau nthuav dav los ntawm kev sib txuas hauv tsev thiab hauv tsev kawm ntawv mus rau cov chaw tsim khoom lag luam thiab cov chaw taws teeb pom kev zoo. Qhov no txhais tau hais tias daim ntawv thov scenarios rau AGC CATV txais yuav nthuav dav ntxiv.
Cov ntaub ntawv patent los ntawm Zhimingda qhia tias tom ntej - tiam AGC circuits yuav tsom ntau dua rau kev ntsuas cov lus teb ceev thiab ruaj khov. Qhov no yog qhov tseem ceeb tshwj xeeb hauv 5G / 6G era, raws li cov neeg siv siab ntev rau cov teeb liab hloov pauv sai sai.
Artificial txawj ntse thev naus laus zis kuj tseem yuav muab tso rau hauv AGC systems. Ib daim ntawv pov thawj los ntawm Zhejiang Xov Tooj Cua thiab TV Technology hais tias kev sib txuas AI duab ua tshuab tuaj yeem ua kom zoo dua TV teeb liab duab zoo; Kev sib txuas AI hais lus paub tshuab tuaj yeem muab cov neeg siv nrog cov kev paub sib tham sib tham. Huawei txoj kev daws teeb meem twb tau siv AI-raws li kev teeb tsa tsis siv neeg, txo lub sijhawm tsim network los ntawm ob hnub mus rau ib teev.
05 Cov Lus Qhia Txog Kev Muag Khoom thiab Kev Ua Lag Luam
Tau ntsib nrog ntau yam ntawm FTTH AGC CATV txais cov khoom lag luam hauv khw, cov neeg yuav khoom yuav tsum tau paub txog kev xaiv raws li qhov xav tau tiag tiag. Kev txiav txim los ntawm 2025 kev yuav los ntawm Tuam Tshoj Xov Tooj Cua thiab TV lub tuam txhab Anhui, cov khoom siv hauv tsev me feem ntau muab faib ua ob hom: USB-powered thiab 220V AC-powered.
Cov Kev Xaiv Ntsiab Cai
AGC Ntau:Yuav tsum txhawb tsawg kawg ib qho kev tawm tswv yim kho qhov muag ntawm -8dBm rau +2dBm.
Cov zis theem:Feem ntau yuav tsum ncav cuag 19-23 dBmV ib channel.
Noise Daim duab:Zoo dua hauv qab 4 pA / √Hz.
Txoj kev muab hluav taws xob:Xaiv raws li qhov chaw teeb tsa: 220V AC, 60V AC, lossis DC fais fab mov.
Kev xav txawv
Rau cov tswv lag luam loj, kev tswj hwm kev ua haujlwm hauv network yuav tsum yog qhov tseem ceeb rau kev txiav txim siab. Cov tswj kho qhov muag tau txais los ntawm Zhejiang Provincial Xov Tooj Cua thiab TV Technology Co., Ltd. txhawb kev saib xyuas thiab tswj cov chaw taws teeb, uas tuaj yeem txo cov nqi O&M.
Rau cov neeg siv zoo tib yam, cov cuab yeej siv tau thiab yooj yim ntawm kev teeb tsa yuav tsum tau tsom rau. WS-OR18 series muaj ntau hom kev sib txuas kho qhov muag thiab metric lossis imperial RF interfaces kom tau raws li qhov xav tau ntawm ib puag ncig sib txawv.
Raws li FTTH kev ua lag luam hloov pauv los ntawm kev tsim kho vaj tse mus rau kev txhim kho kom zoo, qhov kev xa tawm ntawm AGC CATV txais tau nthuav dav. Kev lag luam thoob ntiaj teb kho qhov muag fiber ntau cable yuav tsum ncav cuag $ 20 nphom hauv 2025 thiab tshaj $ 30 nphom los ntawm 2030. Cov ntaub ntawv no AGC CATV txais kev siv thev naus laus zis yuav ua pov thawj rau kev thov dav dav.
Lub mais kawg ntawm FTTH tsis yog qhov kawg ntawm qhov kev ncua deb, tab sis qhov pib ntawm kev paub zoo. Nrog rau kev siv dav dav ntawm FTTH AGC CATV receivers thoob plaws ntau qhov chaw, cov neeg siv yuav txaus siab rau cov cim ruaj khov dua, thiab cov neeg ua haujlwm yuav ua tiav cov haujlwm tau zoo dua -qhov kev yeej no- yeej qhov xwm txheej yog qhov muaj txiaj ntsig ntawm kev tsim kho thev naus laus zis.
