I-FTTH i-Optical Receiver(CT-2002C)
Isishwankathelo
Le mveliso i-FTTH i-optical receiver, isebenzisa i-low-power optical receiver kunye ne-optical control ye-AGC iteknoloji, enokuthi ihlangabezane neemfuno ze-fiber-to-the-home, kwaye ingasetyenziselwa kunye ne-ONU okanye i-EOC ukuphumeza umdlalo kathathu. Kukho i-WDM, i-1550nm i-CATV yokuguqulwa kwe-photoelectric signal kunye ne-RF output, i-1490/1310 nm i-PON yesiginali idlula ngokuthe ngqo, enokuthi ihlangabezane ne-FTTH enye ye-fiber optical transmission CATV + XPON.
Imveliso ihlangene kwisakhiwo kwaye kulula ukuyifaka, kwaye iyimveliso efanelekileyo yokwakha inethiwekhi ye-TV ye-FTTH.
Uphawu
> Iqokobhe leplastiki elikumgangatho ophezulu kunye nomgangatho olungileyo womlilo ophezulu.
> Ijelo le-RF eligcweleyo le-GaAs yesekethe yesandisi sesandi esiphantsi. Ubuncinci bokwamkelwa kwemiqondiso yedijithali yi-18dBm, kwaye ubuncinci bokwamkelwa kweempawu ze-analog yi-15dBm.
> Uluhlu lolawulo lwe-AGC luyi -2 ~ -14dBm, kwaye imveliso ayitshintshi. (Uluhlu lwe-AGC lunokwenziwa ngokwezifiso ngokuhambelana nomsebenzisi).
> Uyilo lokusetyenziswa kwamandla aphantsi, usebenzisa umbane ophezulu wokutshintsha umbane ukuqinisekisa ukuthembeka okuphezulu kunye nokuzinza okuphezulu kokunikezelwa kwamandla. Ukusetyenziswa kwamandla omatshini wonke kungaphantsi kwe-3W, kunye nesekethe yokubona ukukhanya.
> I-WDM eyakhelwe-ngaphakathi, qonda ukungena kwefayibha enye (1490/1310/1550nm) isicelo sokudlala kathathu.
> I-SC/APC okanye iFC/APC isiqhagamshelo sokukhanya, i-metric okanye i-intshi yojongano lwe-RF ngokuzikhethela.
> Imowudi yonikezelo lwamandla ye-12V DC yokufaka i-port.
Iimpawu zobugcisa
| Inombolo yesiriyeli | iprojekthi | Iiparamitha zokusebenza | |
| Iiparamitha zamehlo | |||
| 1 | Uhlobo lweLaser | Ifotodiode | |
| 2 | Imodeli yeAmplifaya yaMandla | I-MMIC | |
| 3 | igalelo lobude bokukhanya (nm) | 1310, 1490, 1550 | |
| 4 | Intambo yobude beTV (nm) | 1550 ± 10 | |
| 5 | Isiphumo sokukhanya kwamaza (nm) | 1310, 1490 | |
| 6 | Ukwahlulwa kwejelo (dB) | ≥ 40 (phakathi kwe-1310/1490nm kunye ne-1550nm) | |
| 7 | igalelo lamandla okukhanya (dBm) | -18 ~ +2 | |
| 8 | Ilahleko yokubonakalisa imbonakalo (dB) | ＞55 | |
| 9 | Ifom yokudibanisa i-Optical | SC/APC | |
| Iiparamitha zeRF | |||
| 1 | Uluhlu lwefrikhwensi ye-RF (MHz) | 45-1002MHz | |
| 2 | umgangatho wemveliso (dBmV) | ＞20 Izibuko lemveliso nganye (igalelo lokukhanya: -12 ~ -2 dBm) | |
| 3 | ukucaba (dB) | ≤ ± 0.75 | |
| 4 | Buyisela ilahleko (dB) | ≥18dB | |
| 5 | I-impedance ye-RF yemveliso | 75Ω | |
| 6 | Inani lamazibuko emveliso | 1＆2 | |
| ukusebenza kwekhonkco | |||
| 1 |
77 NTSC / 59 PAL amajelo analog | CNR≥50 dB (0 dBm igalelo lokukhanya) | |
| 2 | CNR≥49Db (-1 dBm igalelo lokukhanya) | ||
| 3 | CNR≥48dB (-2 dBm igalelo lokukhanya) | ||
| 4 | I-CSO ≥ 60 dB, CTB ≥ 60 dB | ||
| Iimpawu zeTV zeDijithali | |||
| 1 | I-MER (dB) | ≥31 | -15dBm igalelo lamandla okukhanya |
| 2 | OMI (%) | 4.3 | |
| 3 | IBER (dB) | <1.0E-9 | |
| enye | |||
| 1 | amandla ombane (AC/V) | 100～240 (ukufakwa kweAdapter) | |
| 2 | Igalelo lamandla ombane (DC/V) | +5V (igalelo leFTTH, imveliso yeadaptha) | |
| 3 | Ubushushu bokusebenza | -0℃~+40℃ | |
Umzobo weSchematic
Umfanekiso weMveliso
FAQ
I-FTTH i-Optical Receiver Imibuzo ebuzwa rhoqo
Q1. Yintoni FTTH umamkeli optical?
A: I-FTTH i-optical receiver sisixhobo esisetyenziswa kwi-fiber-to-the-home network (FTTH). Yenzelwe ukufumana imiqondiso ye-optical evela kuthungelwano lwefiber optic kwaye iguqulelwe kwimiqondiso yombane ukuze iqhubeke nokusebenza.
Q2. Isebenza njani i-FTTH umamkeli obonakalayo?
A: I-FTTH i-optical receiver ithatha i-low-power optical reception kunye ne-optical automatic gain control (AGC) iteknoloji. I-teknoloji ye-AGC iqinisekisa ukuba amandla optical afunyenweyo ahlala phakathi koluhlu oluthile ngokulungelelanisa inzuzo yomamkeli. Oku kuqinisekisa ukwamkelwa komqondiso othembekileyo kunye nokusebenza kakuhle.
Q3. Ziziphi iingenelo zokusebenzisa i-FTTH i-optical receiver?
A: Ukusebenzisa i-FTTH i-optical receiver kuzisa iinzuzo ezininzi kuthungelwano lwe-FTTH. Ivumela ulwamkelo lwefiber optic olusebenzayo kunye noguqulo, ivumela i-Intanethi enesantya esiphezulu, iTV yedijithali ekumgangatho ophezulu, kunye neenkonzo zelizwi ezicacileyo. Ukongezelela, inokudibaniswa ne-Optical Network Unit (ONU) okanye i-Ethernet phezu kwe-Coax (EOC) kwiinkonzo zokudlala kathathu.
Q4. Zeziphi izicelo ze-FTTH zabamkeli bamehlo?
A: I-FTTH i-optical receivers isetyenziswa ikakhulu kuthungelwano lwe-FTTH ukudibanisa indawo yokuhlala okanye yorhwebo kunye ne-fiber optic infrastructure. Isebenza njengesixhobo sesiphelo esithatha imiqondiso ye-optical ehamba ngeentambo zefiber optic kwaye iziguqulele kwiimpawu zombane ezifanelekileyo kwiinkonzo ezahlukeneyo, kubandakanya i-Intanethi, umabonakude, kunye nelizwi.
Q5. Ngaba i-FTTH i-optical receiver ingasetyenziswa kunye nezinye izixhobo?
A: Ewe, i-FTTH i-optical receiver ingasetyenziswa kunye ne-ONU okanye i-EOC ukufumana inkonzo yokudlala kathathu. I-ONU isebenza njenge-hub ephakathi yokusabalalisa i-Intanethi, i-TV kunye neempawu zezwi ngaphakathi kwendawo, ngelixa i-FTTH i-optical receivers iqinisekisa ukwamkelwa okuthembekileyo kunye nokutshintshwa kwezi zibonakaliso. Ngokudibeneyo, baxhasa unxibelelwano olungenamthungo kunye neenkonzo zemultimedia kwiinethiwekhi ze-FTTH.
