I-GLB3500M-3 Terr TV kunye ne-One wideband LNB phezu kwefayibha
Ingcaciso yeMveliso
I-GLB3500M-3 yimodyuli ye-CWDM Broadband RF ifayibha link, ithumela ezimbini 290MHz ~ 2350MHz Satellite RF (ixhasa UK 290MHz ~ 2340MHz okanye iYurophu 300MHz ~ 2350MHz) kunye ne45MHz enye ~ 806MHz Terrestrial ifayibha SM rhuma ifayibha ezininzi RF kwiTV enye. I-wideband RF ikwi-1530nm okanye i-1550nm, i-terrestrial TV RF ikwi-1570nm. Kukho i-fiber optic CWDM mux okanye isixhobo sedemux kwisidluliseli samehlo okanye ukufumana ukuqonda ukuhanjiswa kwefayibha enye.
I-SMATV (iSatellite Master Antenna TV) idume ngokunikezela ngeTV yesathelayithi kunye neTV yasemhlabeni kubabhalisi abahlala kumagumbi okanye kuluntu. I-SMATV yesiNtu inokusasaza imixholo ye-eriyali eyinkosi ngokutshintshela kwisathelayithi yabamkeli ngentambo eyicoaxial. Ngenxa yelahleko ephezulu kwi-frequency ephezulu yesathelayithi, umgama wentambo ye-SMATV ungaphantsi kwe-150 yeemitha kunye ne-IF yeamplifier ye-intanethi. Ngokungafaniyo nenkqubo ye-Quattro LNB ye-SMATV eqhelekileyo, inkqubo ye-wideband ye-LNB ye-SMATV inesiqingatha seziqhagamshelo ze-RF kunye neenombolo ze-cable ezinesiqingatha, ezigcina iindleko zothumelo. Emva kwefiber kwisakhiwo, i-wideband SMATV i-optical receiver kufuneka isebenze ne-dCSS multiswitch ukuze ibe nemveliso enye ye-RF enama-userbands aguqukayo angama-32, apho ibhendi yomsebenzisi nganye yomrhumi omnye we-STB yesathelayithi engabonakaliyo. Le fiber enye kwisakhiwo kunye nentambo enye ye-coaxial kubasebenzisi abaninzi kwisakhiwo yenza ukufakwa kwentambo kunye nokugcinwa kube lula.
I-GLB3500M-3 i-fiber link iquka i-GLB3500M-3T i-optical transmitter kunye ne-GLB3500M-3R i-optical receiver. Nge-CWDM lasers / photodiode kunye nesandi esisezantsi se-RF yokulawula ukufumana isiphaluka, enye i-GLB3500M-3T inokuhambisa umgangatho ophezulu we-RF ukuya kwi-32pcs ephezulu ye-GLB3500M-3R yabamkeli be-optic ngokuthe ngqo.
Ezinye iimpawu:
• Izindlu zealuminiyam eziqinileyo.
• I-RF ye-broadband ezimeleyo emi-3 kuthumelo lwefiber enye yeSM.
• I-bandwidth nganye yeRF: i-wideband LNB 290~2350MHz okanye 45~806MHz.
• High Linearity Photodiode.
• Ingxolo ephantsi ye-RF Gain Control circuit.