一、Ihame rya Photoreceptor
Uwitekaimashini yakirani igice cyingenzi cya sisitemu yo gutumanaho ya fibre optique. Ihame ryibanze ryayo nuguhindura ibimenyetso bya optique mubimenyetso byamashanyarazi. Ibice byingenzi bigize optique yakira harimo fotodetector, preamplifier na postamplifier. Iyo ibimenyetso bya optique byoherejwe kuri fotodetekeri binyuze muri fibre optique, fotodetector ihindura ibimenyetso bya optique mubimenyetso byamashanyarazi, hanyuma ibimenyetso byongerwaho kandi bikayungururwa binyuze muri preamplifier, amaherezo bikarushaho gutunganywa no koherezwa binyuze muri postamplifier.
二、Imikorere ya Photoreceptor
1. Guhindura ibimenyetso bya optique kubimenyetso byamashanyarazi:Igikorwa cyibanze cyakira optique ni uguhindura ibimenyetso bya optique byoherejwe mubimenyetso byamashanyarazi kugirango byoroherezwe gutunganya no kohereza. Ibi bikorwa hifashishijwe Photodetector, igaragaza ibimenyetso byumucyo bidakomeye kandi ikabihindura mubyuma byamashanyarazi.
2. Kwiyongera kw'ibimenyetso:Kubera ko ubukana bwibimenyetso bya optique bizagenda bigabanuka buhoro buhoro mugihe cyo kohereza fibre optique, ubukana bwikimenyetso cya optique burashobora kuba intege nke cyane iyo bigeze kubakira. Preamplifier muri optique yakira irashobora kongera ibyo bimenyetso byamashanyarazi bidakomeye kugirango bishoboke gutunganywa no kwanduzwa.
3. Akayunguruzo k'ibimenyetso:Mugihe cyo gukwirakwiza fibre optique, urusaku rwinshi nimbogamizi birashobora gutangizwa, bizagira ingaruka kumiterere yikimenyetso. Preamplifier muri optique yakira mubisanzwe ifite akayunguruzo kugirango ikureho urusaku no kwivanga no kuzamura ubwiza bwikimenyetso.
4. Gutunganya ibimenyetso:Inyuma ya amplifier irashobora gukomeza gutunganya ibimenyetso byamashanyarazi, nka decoding, demodulation, nibindi, kugirango bisubizwe mubimenyetso byumwimerere cyangwa bigereranya. Mubyongeyeho, binyuze muri post-amplifier, ikimenyetso cyamashanyarazi nacyo gishobora guhinduka no gutezimbere, nko guhindura amplitude, inshuro nibindi bipimo byerekana ibimenyetso, kugirango bishobore kuzuza ibisabwa na sisitemu yitumanaho nyuma.
5. Ibisohoka by'amashanyarazi:Ibimenyetso byamashanyarazi byatunganijwe birashobora gusohoka mubindi bikoresho cyangwa sisitemu kugirango ugere ku makuru no gusangira. Kurugero, muri sisitemu yo gutumanaho ya fibre optique, ibimenyetso byamashanyarazi bitunganywa na optique yakira bishobora koherezwa kuri mudasobwa, guhinduranya cyangwa ibindi bikoresho byitumanaho.
三、Intangiriro kuri CEITATECH FTTH yakira optique
1.Icyakirwa cya optique (CT-2001C)Incamake
Iki gicuruzwa ni FTTH yakira neza. Ifata imbaraga nkeya optique yakira hamwe na optique igenzura tekinoroji ya AGC kugirango ihuze ibikenewe bya fibre-murugo. Koresha inshuro eshatu gukina optique yinjiza, kugenzura ibimenyetso bihamye binyuze muri AGC, hamwe na WDM, 1100-1620nm CATV yerekana ifoto yerekana amashanyarazi hamwe na progaramu ya tereviziyo ya RF isohoka.
Igicuruzwa gifite ibiranga imiterere yoroheje, kwishyiriraho byoroshye nigiciro gito. Nibicuruzwa byiza byubaka insinga ya TV FTTH umuyoboro.
l Igikoresho cyiza cya plastike cyiza kandi gifite umuriro mwinshi wo hejuru.
Umuyoboro wa RF wuzuye GaAs urusaku ruke rwumuzunguruko. Kwakira byibuze ibimenyetso bya digitale ni -18dBm, naho kwakira byibuze ibimenyetso bisa ni -15dBm.
l Igenzura rya AGC ni -2 ~ -14dBm, kandi ibisohoka ntabwo byahindutse. (Urutonde rwa AGC rushobora gutegurwa ukurikije umukoresha).
l Igishushanyo mbonera cyo gukoresha amashanyarazi make, ukoresheje uburyo bwiza bwo guhinduranya amashanyarazi kugirango wizere neza kandi uhamye kumashanyarazi. Imbaraga zikoreshwa mumashini yose ntiziri munsi ya 3W, hamwe numuzunguruko.
l Yubatswe muri WDM, menya porogaramu imwe ya fibre (1100-1620nm).
l SC / APC na SC / UPC cyangwa FC / APC ihuza optique, metric cyangwa santimetero RF irahitamo.
l Uburyo bwo gutanga amashanyarazi ya 12V DC yinjira.
1.1Igishushanyo mbonera
2.FTTH yakira neza (CT-2002C)Incamake
Iki gicuruzwa ni FTTH yakira optique, ikoresheje imbaraga nkeya optique yakira hamwe na optique igenzura tekinoroji ya AGC, ishobora guhaza ibikenerwa bya fibre kugeza murugo, kandi irashobora gukoreshwa ifatanije na ONU cyangwa EOC kugirango igere kumikino itatu. Hano hari WDM, 1550nm ya CATV yerekana ifoto yerekana amashanyarazi hamwe nibisohoka bya RF, 1490/1310 nm Ikimenyetso cya PON kinyura mu buryo butaziguye, gishobora guhura na FTTH imwe ya fibre optique yohereza CATV + EPON.
Ibicuruzwa byegeranye muburyo bworoshye kandi byoroshye kubishyiraho, kandi nibicuruzwa byiza byo kubaka umuyoboro wa kabili TV FTTH.
l Igikoresho cyiza cya plastike cyiza kandi gifite umuriro mwinshi wo hejuru.
Umuyoboro wa RF wuzuye GaAs urusaku ruke rwumuzunguruko. Kwakira byibuze ibimenyetso bya digitale ni -18dBm, naho kwakira byibuze ibimenyetso bisa ni -15dBm.
l Igenzura rya AGC ni -2 ~ -12dBm, kandi ibisohoka ntabwo byahindutse. (AGC
urwego rushobora gutegurwa ukurikije umukoresha).
l Igishushanyo mbonera cyo gukoresha amashanyarazi make, ukoresheje uburyo bwiza bwo guhinduranya amashanyarazi kugirango wizere neza kandi uhamye kumashanyarazi. Imbaraga zikoreshwa mumashini yose ntiziri munsi ya 3W, hamwe numuzunguruko.
l Yubatswe muri WDM, menya ubwinjiriro bwa fibre imwe (1490/1310 / 1550nm) gukina gatatu.
l SC / APC cyangwa FC / APC ihuza optique, metric cyangwa santimetero ya RF itabishaka.
l Uburyo bwo gutanga amashanyarazi ya 12V DC yinjira.
2.2Igishushanyo mbonera
Igihe cyo kohereza: Mutarama-13-2024
