GWT3500 1550nm CATV tuku

GWT3500 1550nm CATV kaiwhakawhiti Whakaahua Whakaatu

Āhuatanga:

•19” 1RU whare kiato me te whakaatu.

•I whakamatao a Emcore DWDM 1550nm DFB laser.

•1002MHz/1218MHz hoahoa predistortion.

•Paoho, Narrowcasting ranei tono.

•E waatea ana te ara whakamua 1310nm.

Tono Tono Tikiake hei PDF

WHAKAMAHI HUA

Whakaahuatanga Hua

Ko te GWT3500 he kaiwhakawhiti tika 1550nm DFB mo te pouaka whakaata tairitenga, pouaka whakaata mamati me nga tohu CMTS e tohatoha ana te muka o te rohe me te QAM TV Waitohu tuku muka tawhiti. Ka whakamahia e te kaiwhakawhiti te taiaho DFB teitei, te mana RF hiko mamati tikanga tukanga aunoa, me te RF i mua i te arai-a-waahi i whakawhanakehia e Greatway Technology. Ka aro turukihia e te microprocessor te mana mahi a te kaiwhakawhiti me te whakarite aunoa i te mahi pai. He pai te GWT3500 mo te tohatoha muka TV tairitenga i roto i te 20Km me te tohu pouaka whakaata QAM te tuku tawhiti i roto i te 100Km.

I whakauruhia te muka ki te tuku CATV RF i nga tau 1990 na te iti o te ngoikoretanga me te taapiri kore mutunga. Ko te RF ki te kaitahuri muka te taputapu tino nui. Ma te whakakaha haruru iti me te microprocessor, te katoa o te mana RF i runga i te laser ka taea te whakarite tika, me whakarite kia pai ake te tohu tohu whakahurihuri (OMI). Ko te taiaho DFB kua whakamatao i roto i te kaiwhakawhiti ka whakarite kia mau te roangaru whatu DWDM mo te haapurororaa me te whakauru i nga ratonga tauwhitiwhiti whaaiti. I tenei wa kua whakamataohia te laser DFB he pai ake te RIN taiaho (te haruru o te kaha) me te mana whakaputa taiaho. Ortel-Emcore linearity tiketike matao DFB taiaho me Greatway hoahoa kua whakamatauria ki te he huinga angitu. Ko te GWT3500 te kaiwhakawhiti whatu kua whakamahia nuitia e nga kaihoko i Amerika Te Tai Tokerau, Amerika ki te Tonga me Haina me te tino pai o te mahi me te tino pono.

I te taha o te Greatway High Power Optical amplifier, ka taea e te kaiwhakawhiti GWT3500 te kawe i nga tohu TV kounga teitei ki te whare, ki te muka ranei ki te kainga.