一,Nheyo ye photoreceptor
TheOptical receiverchikamu chakakosha che optical fiber communication system. Nheyo yayo inokosha ndeyekushandura zviratidzo zvemaziso mumagetsi emagetsi. Zvikamu zvikuru zveoptical receiver zvinosanganisira photodetector, preamplifier uye postamplifier. Kana chiratidzo chemaziso chichiendeswa kune photodetector kuburikidza nefiber optical, iyo photodetector inoshandura chiratidzo chemaziso muchiratidzo chemagetsi, uye ipapo chiratidzo chinowedzerwa uye chinonatswa kuburikidza ne preamplifier, uye pakupedzisira chinowedzera kugadziriswa uye kutumirwa kuburikidza ne postamplifier.
二,Basa re photoreceptor
1. Shanduko yechiratidzo chemagetsi kune masaini emagetsi:Basa rakakosha remuoni wekugamuchira ndere kushandura anotapurirwa masaini masaini kuita masaini emagetsi kuti afambise anotevera masaini kugadzirisa uye kutapurirana. Izvi zvinoitwa uchishandisa photodetectors, iyo inoona zviratidzo zvechiedza zvisina simba uye inoshandura kuva zviratidzo zvemagetsi.
2. Kukwidziridzwa kwechiratidzo:Sezvo kusimba kwechiratidzo chemaziso kuchizopera zvishoma nezvishoma panguva ye optical fiber transmission process, simba rechiratidzo chemaziso rinogona kunge risina simba kana rasvika kune anogamuchira anogamuchira. Iyo preamplifier mune yekuona inogamuchira inogona kukwidziridza aya asina simba masaini emagetsi kuitira kuti agone kugadziriswa zvirinani uye kutapurirana.
3. Kusefa kwechiratidzo:Munguva ye optical fiber transmission process, ruzha rwakasiyana uye kukanganisa kunogona kuunzwa, izvo zvinokanganisa kunaka kwechiratidzo. Iyo preamplifier muOptical receiver inowanzo shongedzerwa nesefa yekubvisa iyi ruzha uye kukanganisa uye kugadzirisa kunaka kwechiratidzo.
4. Signal processing:Iyo post-amplifier inogona kuenderera mberi nekugadzirisa chiratidzo chemagetsi, senge decoding, demodulation, nezvimwe, kuitira kuti igone kudzoserwa kune yekutanga dhijitari kana analogi chiratidzo. Mukuwedzera, kuburikidza ne-post-amplifier, chiratidzo chemagetsi chinogonawo kugadziriswa uye kugadziriswa, zvakadai sekugadzirisa amplitude, frequency uye mamwe mapeji echiratidzo, kuitira kuti igone kusangana nezvinodiwa zvemashure ekutaurirana anotevera.
5. Kubuda kwemagetsi masaini:Iwo akagadziridzwa masaini emagetsi anogona kubuda kune mamwe maturusi kana masisitimu kuti awane kutapurirana ruzivo uye kugovana. Semuenzaniso, mune optical fiber communication system, masaini emagetsi anogadziriswa neanogamuchira anogamuchira anogona kuendeswa kumakomputa, switch kana zvimwe zvekutaurirana.
三,Nhanganyaya kuCEITATECH FTTH Optical receiver
1.FTTH Optical Receiver(CT-2001C)Overview
Ichi chigadzirwa iFTTH optical receiver. Iyo inotora yakaderera-simba yekuona yekugamuchira uye yekutarisa yekudzora AGC tekinoroji kusangana nezvinodiwa zvefiber-kumba-kumba. Shandisa katatu play optical input, dzora kugadzikana kwechiratidzo kuburikidza neAGC, neWDM, 1100-1620nm CATV chiratidzo chepikicha yekushandura uye RF inobuda tambo yeTV chirongwa.
Chigadzirwa chine hunhu hwe compact chimiro, nyore kuisirwa uye mutengo wakaderera. Icho chigadzirwa chakanakira kuvaka tambo yeTV FTTH network.
FTTH Optical Receiver(CT-2001C)
l Yepamusoro-mhando yepurasitiki shell ine yakanaka yakakwira moto chiyero.
l RF chiteshi izere GaAs yakaderera ruzha amplifier wedunhu. Iko kugashira kudiki kwemasaini edhijitari ndeye -18dBm, uye kugashira kushoma kwemasaini eanalogi ndeye -15dBm.
l AGC yekudzora huwandu ndeye -2~ -14dBm, uye inobuda haina kuchinjika. (AGC renji inogona kugadzirwa zvinoenderana nemushandisi).
l Yakaderera mashandisirwo emagetsi dhizaini, uchishandisa yakakwirira-inoshanda switching magetsi kuti ive nechokwadi chekuvimbika kwepamusoro uye kugadzikana kwakanyanya kwemagetsi. Iko kushandiswa kwesimba kwemuchina wese kushoma pane 3W, ine mwenje wekuona wedunhu.
l Yakavakwa-muWDM, ziva imwechete fiber yekupinda (1100-1620nm) application.
l SC/APC uye SC/UPC kana FC/APC optical connector, metric kana inch RF interface sarudzo.
l Iyo magetsi emagetsi maitiro eiyo 12V DC yekupinza chiteshi.
1.1Schematic diagram
2.FTTH Optical Receiver(CT-2002C)Overview
Ichi chigadzirwa iFTTH optical receiver, ichishandisa yakaderera-simba optical kugamuchira uye optical control AGC tekinoroji, iyo inogona kusangana nezvinodiwa zvefiber-to-the-imba, uye inogona kushandiswa pamwe chete neONU kana EOC kuwana kutamba katatu. Kune WDM, 1550nm CATV siginecha photoelectric kutendeuka uye RF yakabuda, 1490/1310 nm PON chiratidzo inopfuura nepapo, iyo inogona kusangana neFTTH imwe optical fiber transmission CATV + EPON.
Chigadzirwa chacho chakabatana muchimiro uye chiri nyore kuisa, uye chigadzirwa chakanakira kuvaka tambo yeTV FTTH network.
FTTH Optical Receiver(CT-2002C)
l Yepamusoro-mhando yepurasitiki shell ine yakanaka yakakwira moto chiyero.
l RF chiteshi izere GaAs yakaderera ruzha amplifier wedunhu. Iko kugashira kudiki kwemasaini edhijitari ndeye -18dBm, uye kugashira kushoma kwemasaini eanalogi ndeye -15dBm.
l AGC yekudzora huwandu ndeye -2~ -12dBm, uye inobuda haina kuchinjika. (AGC
renji inogona kugadzirwa zvinoenderana nemushandisi).
l Yakaderera mashandisirwo emagetsi dhizaini, uchishandisa yakakwirira-inoshanda switching magetsi kuti ive nechokwadi chekuvimbika kwepamusoro uye kugadzikana kwakanyanya kwemagetsi. Iko kushandiswa kwesimba kwemuchina wese kushoma pane 3W, ine mwenje wekuona wedunhu.
l Yakavakwa-muWDM, ziva imwe-fiber yekupinda (1490/1310/1550nm) katatu kutamba application.
l SC/APC kana FC/APC optical connector, metric kana inch RF interface sarudzo.
l Iyo magetsi emagetsi maitiro eiyo 12V DC yekupinza chiteshi.
2.2Schematic diagram
Nguva yekutumira: Jan-13-2024
