SR812ST Bidirectional Outdoor 2-Fitar Fiber Optical Receiver
Lambar Samfura: Saukewa: SR812ST
Alamar: Mai laushi
MOQ: 1
Kyakkyawan Ayyukan AGC
Sarrafa Microprocessor, Nuni na Dijital
Tsarin SMT Yana Inganta watsa siginar Hoto
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Bayanin Samfura
Takaitaccen Bayani
SR812ST(R) shine sabon babban sa biyu na fitarwa CATV mai karɓar gani na gani na cibiyar sadarwa.The pre-amplifier yana ɗaukar cikakken-GaAs MMIC, bayan-amplifier yana ɗaukar tsarin GaAs.Ingantacciyar ƙirar da'ira tare da shekaru 10 na ƙwarewar ƙira na ƙwararru, sa kayan aikin su sami maƙasudin ayyuka masu kyau.Ikon Microprocessor, nuni na dijital na sigogi, gyara aikin injiniya yana da sauƙi musamman.Yana da babban kayan aiki don gina cibiyar sadarwar CATV.
Halayen Aiki
- High amsa PIN photoelectric tuba tube.
- Ingantaccen ƙirar kewayawa, samar da tsarin SMT, da ingantacciyar hanyar sigina ta sa siginar siginar hoto ya fi santsi.
- guntu na musamman na RF attenuation, tare da kyakkyawan RF attenuation da madaidaiciyar madaidaiciya, babban daidaito.
- GaAs amplifier na'urar, ƙarfin fitarwa sau biyu, tare da babban riba da ƙarancin murdiya.
- Single Chip Microcomputer (SCM) kayan sarrafa kayan aiki, LCD yana nuna sigogi, dacewa da aiki mai hankali, da kwanciyar hankali.
- Kyakkyawan aikin AGC, lokacin shigar da kewayon ikon gani ya kasance -9 ~ 2dBm, matakin fitarwa yana ci gaba da canzawa, kuma CTB da CSO ba su canzawa.
- Keɓaɓɓen hanyar sadarwar sadarwar bayanai, na iya haɗawa tare da mai amsawa mai amsawa mai sarrafa cibiyar sadarwa na aji Ⅱ, da samun dama ga tsarin gudanarwar cibiyar sadarwa.
- Komawa na iya zaɓar yanayin fashewa don rage yawan hayaniyar da rage lambar mai karɓar gaba.
Yanayin Gwajin Link
Siffofin fasaha na wannan jagorar bisa ga hanyar aunawa na GY/T 194-2003, kuma an gwada shi a cikin yanayi masu zuwa.
1. Gaban gani na karba sashi: tare da 10km daidaitaccen fiber na gani, m na gani attenuator, da daidaitaccen mai watsawa na gani ya hada hanyar haɗin gwaji.Saita siginar tashar TV ta analog na 59 PAL-D a kewayon 45/87MHz～550MHz ƙarƙashin ƙayyadadden asarar hanyar haɗin gwiwa.Isar da siginar daidaitawa na dijital a kewayon 550MHz ~ 862/1003MHz, matakin siginar ƙirar dijital (a cikin bandwidth na 8 MHz) yana 10dB ƙasa da matakin siginar analog.Lokacin shigar da ƙarfin gani na mai karɓar mai gani shine -2dBm, matakin fitarwa na RF shine 108dBμV, tare da karkatar da fitarwa na 9dB, auna C/CTB, C/CSO, da C/N.
2. Bangaren watsawa na gani na baya: Haɗin haɗin gwiwa da kewayon kuzarin NPR sune ma'aunin mahaɗin da suka ƙunshi mai watsawa na gani na baya da mai karɓar gani na baya.
Lura: Lokacin da aka ƙididdige matakin fitarwa shine cikakken tsarin tsarin kuma karɓar ikon gani shine -2dBm, kayan aiki sun haɗu da matsakaicin matakin fitarwa na ma'aunin mahaɗin.Lokacin da tsarin tsarin ya rage (wato, ainihin tashoshi na watsawa suna raguwa), za a ƙara yawan kayan aiki na kayan aiki.
Sanarwa na Abota: Ba da shawarar saita siginar RF zuwa 6 ~ 9dB karkatar da fitarwa a cikin aikace-aikacen injiniya mai amfani don haɓaka fihirisar da ba ta dace ba (ƙarƙashin kumburi) na tsarin kebul.
| SR812ST Bidirectional Outdoor 2-Fitar Fiber Optical Receiver | |||||
| Abu | Naúrar | Ma'aunin Fasaha | |||
| Gabatar da sashin karɓa na gani | |||||
| Ma'aunin gani | |||||
| Karbar Wutar gani | dBm | -9 ~ +2 | |||
| Asarar Komawar gani | dB | >45 | |||
| Tsawon Tsawon gani na gani | nm | 1100 ~ 1600 | |||
| Nau'in Haɗa Na gani |
| FC/APC, SC/APC ko aka ayyana ta mai amfani | |||
| Nau'in Fiber |
| Yanayin Single | |||
| mahadaAyyuka | |||||
| C/N | dB | ≥ 51 (-2dBm shigarwa) | |||
| C/CTB | dB | ≥ 65 | Matsayin fitarwa 108 dBμV Daidaitaccen 6dB | ||
| C/CSO | dB | ≥ 60 | |||
| Ma'aunin RF | |||||
| Yawan Mitar | MHz | 45 ~ 862 | 45 ~ 1003 | ||
| Flatness a cikin Band | dB | ± 0.75 | ± 0.75 | ||
| Matsakaicin Matsayin Fitowa | dBμV | ≥ 108 | ≥ 108 | ||
| Matsakaicin Matsayin Fitowa | dBμV | ≥ 114 | ≥ 112 | ||
| Asarar Komawa Fitowa | dB | (45 ~ 550MHz）≥16/(550~1000MHz)≥14 | |||
| Ƙaddamar da fitarwa | Ω | 75 | 75 | ||
| Lantarki Control EQ Range | dB | 0 ~ 10 | 0 ~ 10 | ||
| Lantarki Control ATT Range | dBμV | 0 ~ 20 | 0 ~ 20 | ||
| Komawar ganiEmanufaPfasaha | |||||
| Ma'aunin gani | |||||
| Tsawon Wave Na gani | nm | 1310 ± 10, 1550 ± 10 ko kayyade ta mai amfani | |||
| Fitar Ƙarfin gani | mW | 0.5, 1, 2 | |||
| Nau'in Haɗa Na gani |
| FC/APC, SC/APC ko aka ayyana ta mai amfani | |||
| Ma'aunin RF | |||||
| Yawan Mitar | MHz | 5 ~ 65 (ko mai amfani ya ƙayyade) | |||
| Flatness a cikin Band | dB | ±1 | |||
| Matsayin shigarwa | dBμV | 72 ~ 85 | |||
| Ƙaddamar da fitarwa | Ω | 75 | |||
| NPR mai ƙarfi kewayon | dB | ≥15（NPR≥30dB） Yi amfani da DFB Laser | ≥10（NPR≥30dB） Yi amfani da FP Laser | ||
| Gabaɗaya Ayyuka | |||||
| Samar da Wutar Lantarki | V | A: AC (150 ~ 265) V; B: AC (35 ~ 90) V | |||
| Yanayin Aiki | ℃ | -40-60 | |||
| Ajiya Zazzabi | ℃ | -40-65 | |||
| Danshi na Dangi | % | Max 95% babu condensation | |||
| Amfani | VA | ≤ 30 | |||
| Girma | mm | 260 (L) ╳ 200 (W) ╳ 130 (H) | |||
SR812ST Bidirectional Waje 2-Fit ɗin Fiber Optical Mai karɓar Takaddun Takaddun Shaida.pdf
Samfura
