Intshayelelo
Izibonelelo zokwamkela iindwendwe, iikhampasi zemfundo, amaziko ezonyango kunye nabasebenzi beCATV abancinci badla ngokujongana nomngeni wokuphucula oqhelekileyo kwiinkqubo zokusasazwa kweTV ye-coaxial ezindala. Uninzi lwezixhobo zevidiyo zanamhlanje kuquka abadlali beendaba ze-HD, iinkqubo zokujonga i-NVR kunye nezixhobo zeendaba zokusasaza zixhasa kuphela imveliso ye-HDMI. Nangona kunjalo, iithelevishini ze-analog zemveli kunye neziseko zekhebula ze-coaxial ezikhoyo zinokufumana kuphela imiqondiso ye-RF analog esemgangathweni. Ukutshintshwa kwekhebula elipheleleyo okanye ukufakwa kwebhokisi ye-set-top kwigumbi ngalinye kufuna utyalo-mali olukhulu kwaye kudala imingeni yokugcinwa okuqhubekayo kubaphathi beziko.
I-AH1916H 16-in-1 HDMI Input Analog Fixed Channel Modulator ijongana nale mingeni yoshishino lwehlabathi lokwenyani ngempumelelo. Yenziwe yiHangzhou Softel Optic Co., Ltd., umthengisi wezixhobo zeCATV kunye ne-fiber optic onamava okwiHangzhou High-tech Zone, le yunithi ye-rack-mount all-in-one modulation iguqula imithombo yevidiyo ye-HDMI ephezulu ezimeleyo ukuya kuthi ga kwi-16 ibe ziitshaneli ze-analog RF ezizinzileyo ezizinzileyo. Zonke iimpawu ezicutshungulwayo zidityaniswe zibe yimveliso enye ye-coaxial yokusasazwa kwesignali yesiza sonke ngaphandle komthungo.
Ngokungafaniyo neeseti zemodulator ezinetshaneli enye ezichitha indawo yekhabhinethi kwaye zivelise lula ukuphazamiseka kwesignali, okuI-modulator ye-CATV yesantya esisisigxina se-16 channel Idibanisa iimodyuli ezili-16 ezizimeleyo ngokupheleleyo kwi-chassis yerakhi edibeneyo ye-4RU. Ixhotyiswe ngetekhnoloji yokutshixa i-MCU RF frequency, igcina ukuchaneka kwetshaneli rhoqo phantsi kokusebenza ixesha elide, nto leyo eyenza ukuba ibe sisisombululo se-headend esithembekileyo nesingabizi kakhulu kwiiprojekthi zokuhlaziya inkqubo ye-analog TV ephakathi kwihlabathi liphela.
Iingenelo zobuGcisa eziPhambili zeSoftel AH1916H Modulator
1. Uyilo lweSiteshi esiZimeleyo luphelisa ukuXoxa ngeSignali
Yonke i-HDMI efakwe kwi-AH1916H iqhagamshela kwitshaneli emiselweyo ye-analog RF ezinzileyo enoyilo lwesekethe ekwabelwana ngayo phakathi kweemodyuli nganye. Esi sixhobo sixhasa ukuseta kwangaphambili kwefrikhwensi yefektri kwi-spectrum ye-47~862MHz, sithobela imigangatho yosasazo lwengingqi yehlabathi kuquka i-PAL D/K, i-PAL B/G kunye ne-NTSC. Ngokuchaneka kwefrikhwensi kulawulwa ngaphakathi kwe-±10KHz, sithintela ngokupheleleyo imiba ye-crosstalk ye-adjacent-channel ebonakala rhoqo kwiimodulators ezidibeneyo ezingabizi kakhulu.
Izihluzi ze-SAW surface acoustic wave ezakhelwe ngaphakathi zonyusa umlinganiselo we-carrier-to-noise ngaphakathi ukuya kwi-60dB kwaye zibonelela ngomlinganiselo wesignali yevidiyo-to-noise ngaphezulu kwe-55dB. Oku kuqinisekisa ukuphuma kwevidiyo okuqinileyo nokuzinzileyo ngaphandle kokufiphaza kwesikrini, ukuphazamiseka kombala okanye ingxolo engashukumiyo kwiiterminals zokubonisa i-analog. Inqanaba lokukhupha le-RF elihlengahlengiswayo ukusuka kwi-0 ukuya kwi-20dB lihambelana neentambo ze-coaxial zobude obahlukeneyo, lisusa imfuneko yee-amplifier ezongezelelweyo zesignali kwiimeko zokusasaza ezimfutshane neziphakathi.
2. Uzinzo lweMigangatho yoShishino kwiMisebenzi engajongwanga iiyure ezingama-24/7
Uninzi lwee-modulators ze-multichannel ezingabizi kakhulu zisebenzisa iisekethe zamandla ezilula, ezihlala zibangela ukuqhekeka kwenkqubo kunye nokuhamba rhoqo emva kokusebenza ixesha elide komthwalo omninzi. Ezi ngxaki zingazinzanga ziphazamisa ngokuthe ngqo amava eTV yeendwendwe zasehotele kunye neenkonzo zokusasaza zemfundo zasekhampasini. Ngokwahlukileyo koko, iSoftel ixhobisa i-AH1916H ngeemodyuli zamandla e-wide-voltage ezizimeleyo ezixhasa igalelo lombane eliqhelekileyo le-AC220V. Iyunithi nganye ivavanywa ngokungqongqo iiyure ezingama-72 ngaphambi kokuba ithunyelwe efektri ukuqinisekisa uzinzo lokusebenza.
Itshasi epheleleyo ye-aluminium alloy inezakhiwo ezilungisiweyo zokusasaza ubushushu ukuthintela ukuqokelelana kobushushu ngexesha lokusebenza ngokungayekiyo. Ngokwanda komahluko okulawulwayo ngaphantsi kwe-5% kunye nesigaba somahluko ngaphakathi kwe-5°, esi sixhobo sigcina ukuveliswa kombala ngokuchanekileyo nangokuhambelanayo komxholo wokudlala i-loop njengeevidiyo zokwamkela iindwendwe zasehotele kunye nevidiyo yokujonga ikhampasi. Ubuchule baso bokusebenza obuthembekileyo iiyure ezingama-24/7 kunciphisa kakhulu umthwalo womsebenzi wokulungisa rhoqo kumaqela obuchwephesha.
3. Ukuhambelana Okubanzi kunye noLungiso lweNkqubo eguquguqukayo
Njengomsebenzi ophezuluIsiguquli sesignali ye-analog RF ye-HDMI, i-AH1916H inee-interfaces zokufaka ze-HDMI ezihambelana nezixhobo zevidiyo eziqhelekileyo, kubandakanya iiseva zemidiya, ii-receiver zesathelayithi, ii-NVR zokujonga, ii-smart TV boxes kunye ne-Blu-ray players. Umlinganiselo wayo we-A/V ohlengahlengiswayo oqala kwi--10dB ukuya kwi--30dB ulinganisela ivolumu yesandi kwimithombo eyahlukeneyo yesignali, ukuphelisa isandi esingahambelaniyo phakathi kweetshaneli zeTV.
Izibuko eliqhelekileyo le-75Ω F-type RF output port lixhasa uqhagamshelo oluthe ngqo nee-CATV combiners, ii-trunk amplifier kunye neenethiwekhi ze-coaxial ezikhoyo zokwakha, ezingafuni zi-adaptha zotshintsho ezongezelelweyo. Kwiiprojekthi zeehotele zorhwebo, iingcali zinokwabela iitshaneli ezizinzileyo ezikhethekileyo zeevidiyo zokukhuthaza iihotele, iitshaneli zemidlalo ezibukhoma, ukujonga ngexesha langempela kunye neenkqubo zeendaba zasekuhlaleni ngaphandle kokulungisa rhoqo emva kokufakwa.
4. Ulwakhiwo olugcina indawo kunye nokuqaliswa okulula kwendawo
Yenzelwe iirakhi zezixhobo eziqhelekileyo ze-intshi ezili-19 ezinobude be-4RU, i-AH1916H igcina indawo enkulu yekhabhinethi xa ithelekiswa neendibaniselwano zemodulator yesitishi esinye esihlanganisiweyo. Zonke izalathisi zesimo sesitishi kunye nolawulo lokulungisa kakuhle zicwangciswe kakuhle kwiphaneli engaphambili. Iingcali zasentsimini zinokulungisa amanqanaba okukhupha isitishi ngasinye kunye neeparamitha zomsindo ngaphandle kokuchitha itshasi, oku kukhawulezisa kakhulu ukufakwa kwindawo kunye neenkqubo zokugunyazisa iiprojekthi zobunjineli.
Iinkonzo zokwenza ngokwezifiso kunye neenkonzo ze-OEM zifumaneka ngokupheleleyo. I-Softel ibonelela ngokuprintwa kwelogo ye-chassis eyenzelwe wena, ucwangciso lwangaphambi kwetshaneli olusisigxina kunye nezixhobo ze-RF combiner ezihambelanayo ukuze zinikeze izisombululo ze-CATV headend ezipheleleyo, ezihlangabezana neemfuno zabahlanganisi beenkqubo kunye nabangenisi behlabathi.
Imizekelo ebanzi yesicelo se-AH1916H 16-in-1 Analog Modulator
1. Ukuphuculwa kweNkqubo yeTV yeHotele kunye neGumbi leeNdwendwe
Esi sixhobo sisebenza njengento eluncedoI-analog RF modulator ye-headend ye-TV yehotelekwiiprojekthi zokuhlaziya iindwendwe. Uninzi lweehotele eziphakathi kunye nezoqoqosho zigcina iingcingo ze-coaxial zokuqala kodwa zifuna iziteshi zeTV zangaphakathi ezenzelwe wena ukuphucula amava eendwendwe. Ngokudibanisa iiseva zevidiyo ezenziwe ngokwezifiso, izixhobo zokusasaza kunye nee-feeds zokujonga i-lobby kwii-ports ze-HDMI ezili-16 zesixhobo, umthombo ngamnye womxholo ozimeleyo uhambelana nesitishi seTV esimiselweyo. Iindwendwe zinokufikelela kwiinkqubo ezizinikeleyo ngokuthe ngqo ngeeTV ze-analog eziqhelekileyo, ziphepha iindleko eziphezulu zokufaka iibhokisi ze-IPTV ezilungiselelweyo kwigumbi ngalinye leendwendwe.
2. Iinkqubo zoSasazo lweZiko loQeqesho lwezeMfundo kwiKhampasi nakwiZiko loQeqesho loBugcisa
Izikolo, amaziko oqeqesho kunye namaziko oqeqesho lweenkampani zihlala zisasaza iikhosi zokufundisa, imifanekiso yokhuseleko lwekhampasi kunye neengxelo zoluntu kwiiTV zeklasi.Imodyula yokusasazwa kwe-CCTV coax kwikhampasi yesikolo, i-AH1916H inika ukusebenza okuzinzileyo kwexesha elide okufanelekileyo kwimisebenzi yokusasaza yemihla ngemihla yexesha elimiselweyo. Uyilo lwayo lwexesha elimiselweyo luvumela ootitshala nabalawuli ukuba bafumane ngokukhawuleza iindlela zokufundisa nezokubeka esweni ngaphandle kokuskena rhoqo.
3. Ukusasazwa koBeko-liso oluQhelekileyo kwiziBhedlele, kwiiFektri nakwiZiko
Iiwadi zonyango, iiworkshop zoshishino kunye nezibonelelo zolawulo oluvaliweyo zifuna ukusasazwa kwesignali yokujonga ngexesha langempela kwiindawo ezininzi zokubonisa. I-AH1916H iguqula imveliso ye-HDMI yeziteshi ezininzi ukusuka kwizixhobo zokurekhoda ze-NVR ibe ziimpawu zeRF eziqhelekileyo, ithumela idatha yokujonga ngokusebenzisa iinethiwekhi ze-coaxial zesakhiwo ezikhoyo. Oku kwenza kube lula ukubekwa kweliso kwindawo epheleleyo ngexabiso eliphantsi, ngaphandle kwesidingo sokwakhiwa kwakhona kwenethiwekhi ye-IP epheleleyo.
4. Iinkqubo zeCATV Headend zoLuntu oluNcinci kunye neeFlethi eziNcinci
Kwiindawo zokuhlala ezinezikali zabasebenzisi ezingaphantsi kwe-100 zeentsapho, izixhobo zokudibanisa zedijithali ezinkulu ze-QAM zihlala zingabalulekanga kwaye azibizi mali. I-AH1916H idibanisa imiqondiso yeTV ephilayo yasekuhlaleni, iividiyo zesaziso sepropathi kunye nokutya kokhuseleko loluntu kumgca omnye we-coaxial trunk. Ibonelela ngeenkonzo zokusasazwa kweTV ye-analog ezizinzileyo kunye notyalo-mali oluphantsi lwezixhobo, oluhambelana ngokugqibeleleyo neemfuno zokusebenza kweendawo zokuhlala ezincinci.
Kutheni Ukhetha iSoftel AH1916H Ngaphezu kweeModulators eziqhelekileyo zeZiteshi ezininzi
Yasekwa ngo-2005, iHangzhou Softel Optic inamava angaphezu kweminyaka eli-16 obuchwephesha kwi-R&D kunye namava okuvelisa izixhobo zothumelo lwe-CATV HFC. Le nkampani ineeworkshops zokuvelisa ezizimeleyo kunye neenkqubo zokuhlola umgangatho ezisemgangathweni ezisemgangathweni. Yonke iyunithi yaleIzixhobo zokuguqula i-analog zeSoftel CATVivavanywa ngokuqatha ukuze ikwazi ukuzinza kwesignali, ukumelana nobushushu kunye nokuhambelana ngaphambi kokuba ifike. Zonke iimveliso zinesatifikethi se-CE, esixhasa ukuthunyelwa ngaphandle okuzinzileyo kunye nokusetyenziswa kuMzantsi-mpuma we-Asia, eLatin America, eMpuma Yurophu nakwezinye iimarike zehlabathi.
Uninzi lwee-analog modulators ezingabizi kakhulu kwimarike zinciphisa iindleko zemveliso ngokushiya iimodyuli ezizimeleyo zokutshixa ii-frequency. Oku kukhokelela ekutshintsheni okucacileyo kwee-frequency kunye nokungazinzi kwesignali emva kweenyanga ezi-3 ukuya kwezi-6 zokusetyenziswa ngokusesikweni, okufuna ukugcinwa rhoqo kwindawo kunye nokulungisa iimpazamo. Xa kuthelekiswa, i-AH1916H isebenzisa ii-MCU frequency control chips ezizimeleyo kwitshaneli nganye, kunye nobomi benkonzo obusebenzayo obungaphezulu kweminyaka esi-8 phantsi kweemeko zokusebenza eziqhelekileyo. Inciphisa ngokufanelekileyo iindleko zokugcinwa kwexesha elide emva kokuthengisa kwabahlanganisi bobunjineli.
Ngaphandle kweemveliso ze-modulator ezizimeleyo, iSoftel inikezela ngoluhlu olupheleleyo lwezixhobo ezixhasayo kuquka ii-RF combiners, ii-high-power EDFA optical transmitters kunye nee-FTTH ONT terminals. Inkqubo epheleleyo yemveliso exhasayo yenza isisombululo se-analog CATV headend esivuthiweyo, esinceda abathengi behlabathi ukuba baphephe ukungaphumeleli kokuhambelana kwesignali okubangelwa kukufaniswa kwezixhobo ezixutyiweyo.
Isiphelo
Njengoko ishishini likamabonwakude lehlabathi liphela litshintsha kancinci ukusuka kwiinkqubo ze-analog ukuya zedijithali, ii-modulators ze-analog ze-HDMI ze-analog ezininzi ezisisigxina zihlala zizixhobo ezibalulekileyo zentloko kwiindawo ezincinci neziphakathi ezinobunzima obuphantsi. I-AH1916H 16-in-1 HDMI Input Analog Fixed Channel Modulator ifumana ulungelelwaniso olupheleleyo phakathi kokusebenza kwesignali okuzinzileyo, ukuthembeka kokusebenza kwexesha elide kunye nolawulo lweendleko zeprojekthi, isombulula ngempumelelo ingxaki yokuhambelana kwesignali phakathi kwemithombo yanamhlanje ye-HDMI ephezulu kunye neenethiwekhi zeTV ze-coaxial analog zemveli.
Nokuba ungumdibanisi weenkqubo zeCATV oqeqeshiweyo, umthengisi wobunjineli behotele, umthengi wezixhobo zeaudio-visual zekhampasi okanye umthengisi wezixhobo zonxibelelwano lwe-optical, esi sixhobo se-modulation esisebenza kuzo zonke izinto sinika isisombululo se-analog signal modulation esivuthiweyo, esingabizi kakhulu kwaye esingabizi kakhulu. Zive ukhululekile ukuqhagamshelana neHangzhou Softel Optic ukuze ufumane amaphepha edatha obuchwephesha aneenkcukacha, iinkonzo zokuseta iifrikhwensi ezenziwe ngokwezifiso kunye namaxabiso amakhulu akhuphisanayo kwi-AH1916H modulator.
Ixesha lokuthumela: Agasti-03-2026