GLB3500M-3 Terr TV ati Ọkan wideband LNB lori okun
ọja Apejuwe
GLB3500M-3 jẹ ọna asopọ okun USB CWDM ti o pọju, gbigbe meji 290MHz ~ 2350MHz Satellite RF (ti o ṣe atilẹyin UK 290MHz ~ 2340MHz tabi Europe 300MHz ~ 2350MHz) ati ọkan 45MHz ~ 806MHz Terrestrial TV RF multivers ọkan . RF wideband wa lori 1530nm tabi 1550nm, RF ori ilẹ TV wa lori 1570nm. Nibẹ ni fiber optic CWDM mux tabi ẹrọ demux lori atagba opiti tabi gba lati mọ gbigbe okun kan.
SMTV (Satẹlaiti Titunto Antenna TV) jẹ olokiki lati pese TV satẹlaiti ati TV ori ilẹ si awọn alabapin ti ngbe ni awọn iyẹwu tabi agbegbe. SMTV ti aṣa le pin kaakiri awọn akoonu eriali titunto si nipasẹ multiswitch si awọn olugba satẹlaiti lori okun coaxial. Nitori pipadanu ti o ga julọ ni igbohunsafẹfẹ satẹlaiti ti o ga julọ, ijinna okun SMTV kere ju awọn mita 150 paapaa pẹlu IF online ampilifaya. Ko dabi eto Quattro LNB SMTV deede, eto LNB SMTV wideband ni awọn asopọ RF idaji ati awọn nọmba okun idaji, eyiti o fipamọ idiyele gbigbe. Lẹhin okun si ile, wideband SMTV opitika olugba gbọdọ ṣiṣẹ pẹlu dCSS multiswitch lati ni ọkan RF o wu pẹlu 32 ìmúdàgba userbands, ibi ti kọọkan olumulo fun oned unicable satẹlaiti STB alabapin. Okun ọkan yii si ile ati okun coaxial kan si awọn olumulo pupọ ninu ile naa jẹ ki fifi sori USB ati itọju rọrun.
GLB3500M-3 okun ọna asopọ pẹlu GLB3500M-3T opitika Atagba ati GLB3500M-3R opitika olugba. Pẹlu CWDM lasers / photodiode ati ariwo kekere RF ere iṣakoso Circuit, ọkan GLB3500M-3T le fi RF ti o ga julọ si awọn olugba opiki 32pcs GLB3500M-3R taara taara.
Awọn ẹya miiran:
• Iwapọ aluminiomu ile.
• 3 ominira àsopọmọBurọọdubandi RF lori ọkan SM okun gbigbe.
• Bandiwidi RF kọọkan: wideband LNB 290 ~ 2350MHz tabi 45 ~ 806MHz.
• High Linearity Photodiode.
• Ariwo kekere RF Gain Iṣakoso Circuit.
