PowerPoint Presentation

Bo Co Thc Tp Vin Thng Chuyn SuNhm 2: Trn Vn Lu Phm Vn Chng

NI DUNGII. IU CH GIN TIPIV. THIT KI. GII THIUNi DungIII. IU CH TRC TIP

I. GII THIUCu trc c bn ca mt h thng quang gm 3 phn:B pht quang B thu quangMi trng truyn dn

u - Nhc im ca h thng thng tin quang:u im:Suy hao thp. Di thng rng.Trng lng nh. Kch thc nh.Khng b can nhiu sng in t v in cng nghip.Tnh bo mt.Nhc im:Vn bin i in quang. Dn, d gy.Vn sa cha. Vn an ton lao ng.ng dng trong vin thng:- Mng ng trc quc gia.- ng trung k.- ng cp th bin lin quc gia.ng Dng:ng dng trong dch v tng hp:- Truyn s liu.- Truyn hnh cp.

II. IU CH TRC TIP

Hnh. M phng h thng quang dng iu ch trc tip

Hnh. Gin MtIII. IU CH GIN TIP

M phng h thng quang dng iu ch gin tip

Gin Mt dng Photodiode PINGin Mt dng Photodiode APD

M phng h thng quang dng iu ch gin tip

Gin Mt dng Photodiode APDGin Mt dng Photodiode PINTRC TIPGIN TIPTn s Max Q facterMin BER Max Q facterMin BER500MHZ

17,03011,83e-65239,8201GHZ

173,1901759,6803GHZ25,615,83e-145795,7806GHZ

6,951,82e-12237,24010GHZ

3,110,00092100,35020GHZ

0119,753,79.e-87ng truyn cp: 10Km P = 10dBmTRC TIPGIN TIPTn s Max Q facterMin BER Max Q facterMin BER500MHZ76,690237,7801GHZ154,230229,7803GHZ14,082,325e-45152,4306GHZ2,2670,011540,11010GHZ017,686,85e-1520GHZ0101ng truyn cp: 50Km P = 10dBmIV. THIT K H THNG WDM 4 KNH

CM N THY V CC BN LNG NGHE!!!