Kakaretso ea Sehlahisoa
K'hamphani ea rona ea morao-rao e nang le lisebelisoa tse 'nè tsa CATV network optical receiver SR814ST, pre-amplifier e sebelisa li-GaAs MMIC tse feletseng,' me poso ea amplifier e sebelisa li-module tsa GaAs. Ka moralo o ntlafalitsoeng oa potoloho le lilemo tse 10 tsa boiphihlelo ba boqapi ba litsebi, sesebelisoa se fihletse matšoao a ts'ebetso e ntle haholo. Ntle le moo, taolo ea microprocessor le ponts'o ea paramethara ea dijithale li etsa hore bothata ba boenjiniere bo be bonolo haholo. Ke thepa e ka sehloohong e hlokahalang bakeng sa ho haha marang-rang a CATV.
Litšobotsi tsa Ts'ebetso
Motlakase oa rona o tsoetseng pele oa CATV network optical receiver SR814ST o amohela tšupu e fetolang photoelectric ea PIN e nang le likarabo tse phahameng, e ntlafatsa moralo oa potoloho le tlhahiso ea ts'ebetso ea SMT, 'me e hlokomela phetiso e bonolo le e sebetsang ea matšoao a photoelectric.
Li-chips tse inehetseng tsa RF li fana ka phokotso e nepahetseng, ha lisebelisoa tsa rona tsa amplifier tsa GaAs li fana ka phaello e phahameng le khopamiso e tlase. Sistimi e laoloa ke "single-chip" microcomputer (SCM), e nang le likarolo tsa ponts'o ea LCD, ts'ebetso e bonolo le e hlakileng, le ts'ebetso e tsitsitseng.
Sistimi ea AGC e etsa bonnete ba hore boemo ba tlhahiso bo lula bo sa fetohe ho feta mefuta ea matla a mahlo a -9 ho ea ho +2 dBm ka tšitiso e fokolang ho tsoa ho CTB le CSO. Tsamaiso e boetse e kenyelletsa sebopeho sa puisano ea data e boloketsoeng, e ka kopanngoang le mofuta oa II oa tsamaiso ea tsamaiso ea marang-rang 'me e kopantsoe le tsamaiso ea tsamaiso ea marang-rang.Mekhahlelo eohle ea tekheniki e lekantsoe ho latela GY/T 194-2003, tlas'a maemo a tloaelehileng a teko.
Hobaneng ho se joaloetela leqephe la rona la ho ikopanya, re ka thabela ho qoqa le uena!
SR814ST Series Outdoor Bidirectional Fiber Optical Node 4 Ports | ||||
Ntho | Yuniti | Tekheniki Parameters | ||
Mekhahlelo ea Optical | ||||
Ho Fumana Matla a Optical | dBm | -9 ~ +2 | ||
Tahlehelo ea ho Khutlisa Optical | dB | > 45 | ||
Optical Receiving Wavelength | nm | 1100 ~ 1600 | ||
Mofuta oa Sehokelo sa Optical |
| FC/APC, SC/APC kapa e boletsoeng ke mosebelisi | ||
Mofuta oa Fiber |
| Mokhoa o le Mong | ||
SehokeloTshebetso | ||||
C/N | dB | ≥ 51(-2dBm ho kenya) | ||
C/CTB | dB | ≥65 | Boemo ba Sephetho 108 dBμV E leka-lekaneng 6dB | |
C/CSO | dB | ≥60 | ||
RF Parameters | ||||
Maqhubu a Range | MHz | 45 ~ 862 | ||
Flatness in Band | dB | ± 0.75 | ||
Lebelo la Sephetho | dBμV | ≥ 108 | ||
Boemo bo Phahameng ba Sephetho | dBμV | ≥ 112 | ||
Sephetho sa ho Khutlisa Tahlehelo | dB | ≥16(45-550MHz) | ≥14(550-862MHz) | |
Sephetho se Impedans | Ω | 75 | ||
Electronic Control EQ Range | dB | 0~10 | ||
Taolo ea Elektronike ATT Range | dBμV | 0~20 | ||
Khutlisa karolo ea Optical Transmit | ||||
Mekhahlelo ea Optical | ||||
Optical Transmit Wavelength | nm | 1310±10, 1550±10 kapa e boletsoeng ke mosebelisi | ||
Matla a Output Optical | mW | 0.5, 1, 2(boikhethelo) | ||
Mofuta oa Sehokelo sa Optical |
| FC/APC, SC/APC kapa e boletsoeng ke mosebelisi | ||
RF Parameters | ||||
Maqhubu a Range | MHz | 5 ~ 42(kapa e hlalositsoe ke mosebelisi) | ||
Flatness in Band | dB | ±1 | ||
Boemo ba ho Kena | dBμV | Lilemo tse 72-85 | ||
Sephetho se Impedans | Ω | 75 | ||
Kakaretso ya Tshebetso | ||||
Ho fana ka Voltage | V | A: AC(150~265)V;B: AC(35~90)V | ||
Mocheso oa ho sebetsa | ℃ | - 40-60 | ||
Mocheso oa polokelo | ℃ | - 40-65 | ||
Mongobo o Batlang | % | Max 95% NoCondensation | ||
Tshebediso | VA | ≤30 | ||
Boemo | mm | 320(L)╳ 200(W)╳ 140(H) |
SR814ST Series Outdoor Bidirectional Fiber Optical Node 4 Ports Spec Sheet.pdf