Kebul na Coaxial (wanda ake kira "coaxial") kebul ne wanda ya ƙunshi nau'i-nau'i na coaxial guda biyu da masu sanyawa na cylindrical don samar da na'ura mai mahimmanci (coaxial pair), sa'an nan kuma guda ɗaya ko mahara coaxial nau'i-nau'i.An yi amfani da shi don watsa bayanai da siginar bidiyo na dogon lokaci.Yana daya daga cikin kafofin watsa labaru na farko don tallafawa 10BASE2 da 10BASE5 Ethernet, kuma zai iya cimma 10 Mb / s watsa mita 185 ko mita 500 bi da bi.Kalmar "coaxial" tana nufin cewa tsakiyar madugu na USB da Layer na garkuwa suna da axis iri ɗaya ko tsakiya.Wasu igiyoyi na coaxial na iya samun matakan kariya da yawa, kamar igiyoyin coaxial masu garkuwa huɗu.Kebul ɗin ya ƙunshi nau'i biyu na garkuwa, kuma kowane Layer na garkuwa yana kunshe da foil na aluminum wanda aka naɗe da ragamar waya.Wannan sifa ta kariya ta kebul na coaxial yana sa ta sami ƙarfin tsoma baki mai ƙarfi na lantarki kuma yana iya watsa sigina mai tsayi a nesa mai nisa.Akwai nau'ikan igiyoyi daban-daban na coaxial waɗanda ke tallafawa nau'ikan aikace-aikacen ƙwararru, kamar sadarwar tauraron dan adam, masana'antu, soja da aikace-aikacen ruwa.Nau'ikan igiyoyin coaxial guda uku da ba masana'antu ba sune RG6, RG11 da RG59, wanda RG6 galibi ana amfani da su a aikace-aikacen CCTV da CATV a cikin mahallin kasuwanci.Babban madugun RG11 ya fi RG6 kauri, wanda ke nufin cewa asarar shigarsa tayi ƙasa kuma nisan watsa siginar shima ya fi tsayi.Koyaya, kebul na RG11 mai kauri ya fi tsada kuma yana da rauni sosai, wanda ya sa bai dace da turawa a cikin aikace-aikacen ciki ba, amma ya fi dacewa da shigarwa na waje mai nisa ko madaidaiciyar hanyoyin haɗin gwiwa.Sassaucin RG59 ya fi na RG6, amma asararsa yana da yawa, kuma ba kasafai ake amfani da shi a wasu aikace-aikacen ba sai don ƙananan bandwidth, ƙananan aikace-aikacen bidiyo na analog mai ƙaranci (kyamarorin duba baya a cikin motoci) tare da ɗan gajeren nesa da iyaka. sarari sarari.Matsakaicin igiyoyin coaxial shima ya bambanta - yawanci 50, 75, da 93 Ω.Kebul na coaxial 50 Ω yana da babban ƙarfin sarrafa wutar lantarki kuma ana amfani dashi galibi don masu watsa rediyo, kamar kayan aikin rediyo mai son, rediyon ƙungiyoyin jama'a (CB) da Walkie-talkie.Kebul na 75 Ω zai iya kula da ƙarfin siginar mafi kyau kuma ana amfani da shi don haɗa nau'ikan kayan aiki daban-daban, kamar masu karɓar talabijin na USB (CATV), manyan ma'anar talabijin da masu rikodin bidiyo na dijital.An yi amfani da kebul na coaxial 93 Ω a babban cibiyar sadarwa ta IBM a cikin 1970s da farkon 1980s, tare da ƙalilan da aikace-aikace masu tsada.Kodayake 75 Ω haɗin kebul na coaxial an fi haɗuwa da shi a yawancin aikace-aikace a yau, ya kamata a lura cewa duk abubuwan da ke cikin tsarin kebul na coaxial ya kamata su sami matsala iri ɗaya don kauce wa tunani na ciki a wurin haɗin gwiwa wanda zai iya haifar da asarar sigina kuma rage ingancin bidiyo.Sigina na dijital 3 (DS3) da aka yi amfani da shi don sabis na watsawa na ofishin tsakiya (wanda kuma aka sani da layin T3) kuma yana amfani da igiyoyi na coaxial, ciki har da 75 Ω 735 da 734. Nisan ɗaukar hoto na 735 na USB ya kai mita 69, yayin da cewa na 734 na USB ya kai mita 137.Hakanan ana iya amfani da kebul na RG6 don watsa siginar DS3, amma nisan ɗaukar hoto gajeru ne.
Tsarin DB yana da cikakkun saiti na kebul na coaxial da taro, wanda zai iya taimakawa abokin ciniki don haɗa tsarin nasu.Da fatan za a danna mahaɗin ƙasa don zaɓar samfuran.Ƙungiyar tallace-tallacenmu tana nan a gare ku koyaushe.
Lokacin aikawa: Janairu-17-2023