Isingeniso
Izikhungo zokungenisa izihambi, amakhampasi ezemfundo, izikhungo zezokwelapha kanye nabasebenzi be-CATV bomphakathi abancane bavame ukubhekana nenselele efanayo yokuthuthukisa ngezinhlelo zokusabalalisa i-TV ye-coaxial ezindala. Amadivayisi amaningi evidiyo esimanje afaka phakathi izidlali zemidiya ze-HD, izinhlelo zokuqapha ze-NVR kanye nehadiwe yemidiya yokusakaza isekela kuphela ukuphuma kwe-HDMI. Kodwa-ke, amathelevishini e-analog endabuko kanye nengqalasizinda yekhebula le-coaxial ekhona angathola kuphela amasignali e-analog e-RF ajwayelekile. Ukufakwa kwekhebula eligcwele noma ukufakwa kwebhokisi le-set-top kudinga ukutshalwa kwezimali okukhulu kwesabelomali futhi kudala izinselele zokulungisa eziqhubekayo kubaphathi bezikhungo.
I-AH1916H 16-in-1 HDMI Input Analog Fixed Channel Modulator ibhekana ngempumelelo nalezi zinselele zemboni yangempela. Yakhiwe yi-Hangzhou Softel Optic Co., Ltd., umhlinzeki wemishini ye-CATV kanye ne-fiber optic onolwazi oluse-Hangzhou High-tech Zone, le yunithi yokuguqula yonke into ibe yinye iguqula imithombo yevidiyo ye-HDMI ephezulu efinyelela ku-16 ezimele ibe iziteshi ze-analog RF ezizinzile ezinemvamisa eqinile. Zonke izimpawu ezicutshungulwayo zihlanganiswa zibe umphumela owodwa we-coaxial wokusatshalaliswa kwesignali yendawo yonke okungenamthungo.
Ngokungafani nokusethwa kwe-modulator yesiteshi esisodwa okuhlukile okuchitha isikhala sekhabhinethi futhi kudale kalula ukuphazamiseka kwesignali, lokhuI-modulator ye-CATV yemvamisa engaguquki yeziteshi ezingu-16 Ihlanganisa amamojula angu-16 azimele ngokuphelele ku-chassis ehlanganisiwe ye-rack ejwayelekile ye-4RU. Ifakwe ubuchwepheshe bokukhiya imvamisa ye-MCU RF obunembile, igcina ukunemba kwesiteshi okuhambisanayo ngaphansi kokusebenza kwesikhathi eside, okwenza kube yisisombululo sekhanda esithembekile nesingabizi kakhulu samaphrojekthi okuvuselela uhlelo lwe-analog TV emhlabeni jikelele.
Izinzuzo Eziyinhloko Zobuchwepheshe zeSoftel AH1916H Modulator
1. Umklamo Wesiteshi Esizimele Uqeda Ukungqubuzana Kwesignali
Konke okufakwayo kwe-HDMI ku-AH1916H kuxhuma esiteshini esinqunyiwe se-analog RF esinomklamo wesekethe ohlanganyelwe ongenalutho phakathi kwamamojula ngamanye. Idivayisi isekela ukusethwa kwangaphambili kwemvamisa yasefekthri kuyo yonke i-spectrum engu-47~862MHz, ihambisana nezindinganiso zokusakaza zesifunda zomhlaba wonke ezifaka phakathi i-PAL D/K, i-PAL B/G kanye ne-NTSC. Njengoba ukunemba kwemvamisa kulawulwa ngaphakathi kwe-±10KHz, igwema ngokuphelele izinkinga zokuxoxa zesiteshi esiseduze ezivame ukubonakala kuma-modulators ahlanganisiwe ashibhile.
Izihlungi zamagagasi e-acoustic surface ze-SAW ezakhelwe ngaphakathi zikhulisa isilinganiso se-carrier-to-noise esingaphakathi kwebhendi sibe ngaphezu kuka-60dB futhi ziletha isilinganiso sesignali-to-noise yevidiyo esingaphezu kuka-55dB. Lokhu kuqinisekisa ukuphuma kwevidiyo okuqinile nokuzinzile ngaphandle kokucwayiza kwesikrini, ukuphambuka kombala noma umsindo ongaguquki kuma-terminals okubonisa i-analog. Izinga lokukhipha le-RF elilungisekayo kusukela ku-0 kuya ku-20dB livumelana nezintambo ze-coaxial ezinobude obuhlukahlukene, okususa isidingo sama-amplifier esignali engeziwe ezimweni zokudlulisa ezimfushane neziphakathi.
2. Ukuzinza Kwezinga Lezimboni Kokusebenza Okungagadiwe amahora angama-24 ngosuku, izinsuku eziyi-7 ngesonto
Ama-modulator amaningi anesabelomali asebenzisa ama-power circuits alula, avame ukubangela ukuphahlazeka kwesistimu kanye nokushintshashintsha kwemvamisa ngemva kokusebenza isikhathi eside komthwalo omkhulu. Lezi zinkinga ezingazinzile ziphazamisa ngqo okuhlangenwe nakho kwe-TV yezivakashi zasehhotela kanye nezinsizakalo zokusakaza zemfundo zasekhempasini. Ngokuphambene nalokho, i-Softel ihlomisa i-AH1916H ngamamojula wamandla e-wide-voltage ahlukene ezimboni asekela ukufakwa kwamandla okujwayelekile kwe-AC220V. Iyunithi ngayinye ihlolwa ngokuqinile ukuguga okuqhubekayo kwamahora angu-72 ngaphambi kokuthunyelwa efektri ukuqinisekisa ukuzinza kokusebenza.
I-chassis ephelele ye-aluminium alloy inezakhiwo zokushisa ezilungiselelwe ukuvimbela ukuqongelela kokushisa ngesikhathi sokusebenza okungapheli. Njengoba inzuzo yokwehluka ilawulwa ngaphansi kuka-5% kanye nesigaba sokwehluka ngaphakathi kuka-5°, idivayisi igcina ukukhiqizwa kombala okunembile nokungaguquguquki kokuqukethwe okudlala i-loop njengamavidiyo okwamukela ehhotela kanye nezithombe zokuqapha zasekhempasini. Amandla ayo okusebenza athembekile amahora angama-24 ngosuku, izinsuku eziyi-7 ngesonto, anciphisa kakhulu umthwalo wokulungisa ojwayelekile wamaqembu obuchwepheshe.
3. Ukuhambisana Okubanzi kanye Nokuzivumelanisa Nesistimu Okuguquguqukayo
Njengokusebenza okuphezuluIsiguquli sesignali ye-RF ye-analog kuya ku-HDMI, i-AH1916H inezixhumi zokufaka ze-HDMI ezihambisana namadivayisi evidiyo ajwayelekile, kufaka phakathi amaseva emidiya, ama-satellite receiver, ama-surveillance NVR, amabhokisi e-smart TV kanye nezidlali ze-Blu-ray. Isilinganiso sayo se-A/V esilungisekayo esisukela ku--10dB kuya ku--30dB silinganisa ivolumu yomsindo emithonjeni ehlukene yesignali, sisusa umsindo ongahambisani phakathi kweziteshi ze-TV.
I-port ejwayelekile ye-75Ω F-type RF output port isekela ukuxhumana okuqondile nama-CATV combiner, ama-trunk amplifier kanye namanethiwekhi e-coaxial okwakha akhona, angadingi ama-adaptha engeziwe okuguqulwa. Kumaphrojekthi ehhotela lezentengiselwano, ochwepheshe bangabela iziteshi ezikhethekile ezihleliwe zamavidiyo okuphromotha ehhotela, iziteshi zemidlalo ezibukhoma, ukuqapha kwesikhathi sangempela kanye nezinhlelo zezindaba zasendaweni ngaphandle kokulungisa amaphutha okuphindaphindiwe ngemva kokufakwa.
4. Isakhiwo Sokonga Isikhala kanye Nokugunyazwa Kwendawo Okulula
Idizayinelwe ama-rack ajwayelekile angu-19 intshi anobude obungu-4RU, i-AH1916H isindisa isikhala esikhulu kakhulu sekhabhinethi uma kuqhathaniswa nezinhlanganisela ze-modulator zesiteshi esisodwa ezihlanganisiwe. Zonke izinkomba zesimo sesiteshi kanye nezilawuli zokulungisa kahle zihlelwe phakathi kwephaneli engaphambili. Ochwepheshe basensimini bangalungisa amazinga okukhipha isiteshi ngasinye kanye namapharamitha omsindo ngaphandle kokuhlakaza i-chassis, okusheshisa kakhulu ukufakwa endaweni kanye nezinqubo zokuqalwa kwamaphrojekthi obunjiniyela.
Izinsizakalo zokwenza ngokwezifiso kanye ne-OEM ziyatholakala ngokugcwele. I-Softel inikeza ukuphrinta kwelogo ye-chassis eyenzelwe wena, ukuhlela kusengaphambili kwesiteshi esihleliwe kanye nezesekeli ze-RF combiner ezihambisanayo ukuze kulethwe izixazululo ze-CATV headend eziphelele eziphelele, ezihlangabezana nezidingo zabahlanganisi bezinhlelo kanye nabangenisi bezinto eziningi emhlabeni jikelele.
Izimo Ezibanzi Zokusebenza ze-AH1916H 16-in-1 Analog Modulator
1. Ukuthuthukiswa Kwesistimu Yethelevishini Yegumbi Lezivakashi Lehhotela Nele-Resort
Idivayisi isebenza njengento ewusizoI-analog RF modulator ye-headend ye-TV yehhotelakumaphrojekthi okuvuselela izihambi. Amahhotela amaningi asezingeni eliphakathi nalawo asezingeni eliphansi agcina izintambo ze-coaxial zangempela kodwa adinga iziteshi ze-TV zangaphakathi ezenziwe ngokwezifiso ukuze kuthuthukiswe ulwazi lwezivakashi. Ngokuxhumanisa amaseva evidiyo enziwe ngokwezifiso, amadivayisi okusakaza kanye nokuphakelwa kokuqapha kwe-lobby kuma-port angu-16 e-HDMI edivayisi, umthombo ngamunye wokuqukethwe ozimele uhambelana nesiteshi se-TV esinqunyiwe. Izivakashi zingafinyelela izinhlelo ezizinikele ngqo ngama-TV ajwayelekile e-analog, zigweme izindleko eziphezulu zokufaka amabhokisi e-IPTV abekwe phezulu kuwo wonke amagumbi ezivakashi.
2. Izinhlelo Zokusakaza Zesikhungo Sokuqeqesha Amakhono Nekhampasi
Izikole, izikhungo zemisebenzi kanye nezikhungo zokuqeqesha izinkampani zisakaza njalo izifundo zokufundisa, izithombe zokuphepha zasekhempasini kanye nezingosi zezaziso zomphakathi kuma-TV ekilasini. NjengochwephesheImodulator yokusabalalisa i-CCTV coax yekhampasi yesikole, i-AH1916H inikeza ukusebenza okuzinzile kwesikhathi eside okufanelekela imisebenzi yokusakaza yansuku zonke yesikhathi esinqunyiwe. Ukwakheka kwayo kwemvamisa enqunyiwe kuvumela othisha nabaphathi ukuthi bathole ngokushesha iziteshi zokufundisa nokuqapha ezizinikele ngaphandle kokuskena imvamisa njalo.
3. Ukusatshalaliswa Kokuqapha Okuhlanganisiwe Kwezibhedlela, Amafektri kanye Nezikhungo
Amawadi ezokwelapha, ama-workshop ezimboni kanye nezindawo zokuphatha ezivaliwe zidinga ukusatshalaliswa kwesignali yokuqapha ngesikhathi sangempela kuzo zonke iziteshi zokubonisa eziningi. I-AH1916H iguqula ukuphuma kwe-HDMI yeziteshi eziningi kusuka kumadivayisi okurekhoda e-NVR ibe yizimpawu ze-RF ezijwayelekile, idlulise idatha yokuqapha ngamanethiwekhi e-coaxial esakhiwo akhona. Lokhu kwenza kube lula ukuhlelwa kokuqapha kwendawo yonke ngezindleko eziphansi, ngaphandle kwesidingo sokwakhiwa kabusha kwenethiwekhi ye-IP ephelele.
4. Izinhlelo Zezinhloko Ze-CATV Zomphakathi Omncane Nezindawo Zokuhlala Eziyinkimbinkimbi
Emiphakathini yokuhlala enezilinganiso zabasebenzisi ezingaphansi kwemindeni eyi-100, ama-multiplexer e-QAM edijithali amakhulu avame ukungadingeki futhi angabizi kakhulu. I-AH1916H ihlanganisa amasignali e-TV abukhoma endawo, amavidiyo wezaziso zempahla kanye nokuphakelwa kokuphepha komphakathi emgqeni owodwa we-coaxial trunk. Ihlinzeka ngezinsizakalo zokusabalalisa i-analog TV ezizinzile ngokutshalwa kwezimali okuphansi kwemishini kusengaphambili, okuhambisana kahle nezidingo zokusebenza kwemiphakathi emincane yokuhlala.
Kungani Kufanele Ukhethe i-Softel AH1916H Kunama-Modulators Ajwayelekile Eziteshi Eziningi
Yasungulwa ngo-2005, i-Hangzhou Softel Optic inesipiliyoni sobuchwepheshe seminyaka engaphezu kwengu-16 socwaningo nokuthuthukiswa kanye nokukhiqiza emishinini yokudlulisa i-CATV HFC. Le nkampani inezindawo zokusebenzela zokukhiqiza ezizimele kanye nezinhlelo zokuhlola ikhwalithi ezijwayelekile zenqubo ephelele. Yonke iyunithi yalokhuImishini yokuguqula i-analog ye-Softel CATVidlula ezivivinyweni ezinzima zokuqina kwesignali, ukumelana nokushisa kanye nokuhambisana ngaphambi kokulethwa. Yonke imikhiqizo inesitifiketi se-CE, esekela ukuthunyelwa ngaphandle okuzinzile kanye nokusetshenziswa kwayo eNingizimu-mpumalanga ye-Asia, eLatin America, eMpumalanga Yurophu nakwezinye izimakethe zomhlaba.
Ama-modulator amaningi e-analog aneziteshi eziningi ashibhile emakethe anciphisa izindleko zokukhiqiza ngokushiya amamojula azimele okukhiya imvamisa. Lokhu kuholela ekushintsheni okusobala kwemvamisa kanye nokungazinzi kwesignali ngemva kwezinyanga ezi-3 kuya kwezi-6 zokusetshenziswa okusemthethweni, okudinga ukulungiswa njalo endaweni kanye nokulungisa amaphutha. Uma kuqhathaniswa, i-AH1916H isebenzisa ama-chip azimele okulawula imvamisa ye-MCU yesiteshi ngasinye, ngempilo yesevisi esebenzayo engaphezu kweminyaka eyi-8 ngaphansi kwezimo zokusebenza ezijwayelekile. Inciphisa ngempumelelo izindleko zokugcinwa kwesikhathi eside ngemuva kokuthengisa zabahlanganisi bobunjiniyela.
Ngaphandle kwemikhiqizo ye-modulator ezimele, i-Softel inikeza uhla oluphelele lwemishini esekelayo kufaka phakathi ama-RF combiner, ama-EDFA optical transmitters anamandla aphezulu kanye nama-terminal e-FTTH ONT. Uhlelo oluphelele lomkhiqizo osekelayo lwakha isisombululo se-headend se-analog CATV esivuthiwe, esiza amakhasimende omhlaba wonke ukugwema ukwehluleka kokuhambisana kwesignali okubangelwa ukufaniswa kwemishini yomkhiqizo oxubile.
Isiphetho
Njengoba imboni yethelevishini yomhlaba wonke ishintsha kancane kancane kusukela ezinhlelweni ze-analog kuya kwezedijithali, ama-modulators e-analog e-HDMI amaningi aneziteshi ezihleliwe ahlala eyimishini ebalulekile yekhanda eliyinhloko yezindawo ezincane neziphakathi ezingabizi kakhulu. I-AH1916H 16-in-1 HDMI Input Analog Fixed Channel Modulator ishaya ibhalansi ephelele phakathi kokusebenza kwesignali okuzinzile, ukuthembeka kokusebenza kwesikhathi eside kanye nokulawulwa kwezindleko zephrojekthi, ixazulula ngempumelelo inkinga yokuhambisana kwesignali phakathi kwemithombo yesimanje ye-HDMI ephezulu kanye namanethiwekhi e-TV e-analog yendabuko ye-coaxial.
Kungakhathaliseki ukuthi ungumhlanganisi wezinhlelo ze-CATV ochwepheshe, usonkontileka wobunjiniyela behhotela, umthengi wemishini yokulalelwayo neyokubukwayo yasekhempasini noma umthengisi wemishini yokuxhumana ye-optical, le divayisi yokuguqula yonke into ihlinzeka ngesisombululo sokuguqula isignali ye-analog esivuthiwe, esinganakekelwa kahle futhi esingabizi kakhulu. Zizwe ukhululekile ukuxhumana ne-Hangzhou Softel Optic ukuze uthole amashidi edatha obuchwepheshe anemininingwane, izinsizakalo zokusetha kabusha imvamisa ezenziwe ngokwezifiso kanye namanani amaningi ancintisanayo e-AH1916H modulator.
Isikhathi sokuthunyelwe: Agasti-03-2026