I-Universal Serial Bus (i-USB) cishe ingenye yezindlela zokusebenzelana ezihlukahlukene kakhulu emhlabeni.Ekuqaleni yaqalwa yi-Intel ne-Microsoft futhi ifaka njengepulaki eshisayo futhi idlala ngangokunokwenzeka.Kusukela kwethulwa isixhumi esibonakalayo se-USB ngo-1994, ngemva kweminyaka engu-26 yokuthuthuka, nge-USB 1.0/1.1, USB2.0, USB 3.x, yagcina ithuthukiswe ibe yi-USB4 yamanje;Izinga lokudlulisela liphinde lenyuka lisuka ku-1.5Mbps laya ku-40Gbps yakamuva.Okwamanje, akuwona kuphela omakhalekhukhwini abasanda kwethulwa abasekela isixhumi esibonakalayo sohlobo C, kodwa namakhompyutha ezincwadi, amakhamera edijithali, izipikha ezihlakaniphile, izinsiza zikagesi eziphathwayo kanye namanye amadivaysi aseqalile ukusebenzisa isixhumi esibonakalayo se-TYPE-C se-USB, esethulwe ngempumelelo. emkhakheni wezimoto.Esikhundleni se-USB-A, i-Model 3 entsha kaTesla inamachweba we-usB-C, futhi i-Apple iguqule ngokuphelele ama-macBooks ayo kanye ne-AirPods Pro kumachweba ahlanzekile we-USB Type-C ukuze kudluliswe idatha nokushaja.Ngaphezu kwalokho, ngokwezidingo ze-eu, i-apula izophinde isebenzise i-USB Type-c interface esikhathini esizayo se-iPhone15, futhi akungabazeki ukuthi i-USB4 izoba isikhombimsebenzisi esiyinhloko somkhiqizo emakethe yesikhathi esizayo.
Izidingo zezintambo ze-USB4
Ushintsho olukhulu ku-USB4 entsha ukwethulwa kokucaciswa kwephrothokholi ye-Thunderbolt i-Intel eyabelana ngayo ne-usb-uma.Igijima phezu kwezixhumanisi ezimbili, umkhawulokudonsa uphindwe kabili ku-40Gbps, futhi i-Tunneling isekela idatha eminingi kanye nezivumelwano zokubonisa.Izibonelo zifaka i-PCI Express ne-DisplayPort.Ngaphezu kwalokho, i-USB4 igcina ukuhambisana okuhle nokwethulwa kwephrothokholi entsha eyisisekelo, ibuyela emuva ihambisana ne-USB3.2/3.1/3.0/2.0, kanye ne-Thunderbolt 3. Ngenxa yalokho, i-USB4 isibe izinga le-USB eliyinkimbinkimbi kakhulu kuze kube manje. , edinga abaklami ukuthi baqonde i-USB4, USB3.2, USB2.0, USB Type-C kanye ne-USB Power Delivery izicaciso.Ngaphezu kwalokho, abaklami kufanele baqonde ukucaciswa kwe-PCI Express kanye ne-DisplayPort, kanye nobuchwepheshe bokuvikela okuqukethwe yi-HIGH-DEFINITION (HDCP) obuhambisana nemodi ye-USB4 DisplayPort, futhi amakhebuli nezixhumi esizijwayele zinezidingo eziphakeme zokuhlangabezana izidingo zokusebenza zikagesi zekhebula le-USB4 imikhiqizo eqediwe.
Inguqulo ye-coaxial ye-USB4 yaphuma ndawo
Esikhathini se-USB3.1 10G, abakhiqizi abaningi bamukele isakhiwo se-coaxial ukuze bahlangabezane nezidingo zokusebenza kwefrikhwensi ephezulu.Inguqulo ye-coaxial ayizange isetshenziswe ochungechungeni lwe-USB ngaphambili, izimo zokusetshenziswa kwayo ikakhulukazi i-Notebook, umakhalekhukhwini, i-GPS, insimbi yokulinganisa, ubuchwepheshe be-Bluetooth, njll. Ukusetshenziswa okujwayelekile kwencazelo yekhebula ulayini we-coaxial wezokwelapha, ulayini we-teflon coaxial electronic, iRadio frequency coaxial wire, njll., ngezidingo zokulawula izindleko zenqwaba yemakethe, enkathini ye-USB3.1 yokumiswa ukuze kuhlangatshezwane nokusebenza komkhiqizo kutholakala ngokushesha emakethe, kodwa ngemakethe ye-USB4 yezidingo zokudlulisa imvamisa ephezulu ziya ngokuya ziqinile, futhi ziphezulu- I-speed transmission idinga intambo inekhono eliqinile lokulwa nokuphazamiseka kanye nokuzinza kokusebenza kukagesi, Ukuze kuqinisekiswe ukuzinza kokudluliswa kwemvamisa ephezulu, i-USB4 evamile yamanje iseyinguqulo eyinhloko ye-coaxial, ukukhiqizwa kwe-coaxial kanye nenqubo yokukhiqiza kuyinqubo eyinkimbinkimbi, ukuxazulula isicelo semvamisa ephezulu kanye nesivinini esikhulu sidinga imishini yokukhiqiza efanele kanye nenqubo yokukhiqiza evuthiwe nezinzile.Ekukhiqizeni umkhiqizo, ukukhethwa kwezinto ezibonakalayo, imingcele yenqubo kanye nokulawulwa kwenqubo, imingcele kagesi yokuhlolwa kwelabhorethri okukhethekile idlala indima ebalulekile, kulo lonke ibhodlela lentuthuko yesakhiwo se-coaxial, ngaphezu kwakho (izindleko zezinto ezibonakalayo, izindleko zokucubungula zibiza kakhulu) zinhle, kodwa ukuthuthukiswa kwemakethe kuhlale kuzungeza indlela yokufinyelela inani elikhulu lenqwaba, Inguqulo ye-Pair of twist ibilokhu isegebeni locwaningo lokuthuthukiswa kwe-coaxial kanye nentuthuko kanye nempumelelo.
Ingabonakala kusukela ekwakhiweni komugqa we-coaxial, kusukela ngaphakathi kuya ngaphandle, ngokulandelana: umqhubi ophakathi, ungqimba oluvikelayo, ungqimba olungaphandle lwe-coaxial (mesh yensimbi), isikhumba socingo.Intambo ye-coaxial iyinhlanganisela eyakhiwe ngama-conductor amabili.Intambo emaphakathi yentambo ye-coaxial isetshenziselwa ukudlulisa amasignali.Inetha elivikela insimbi lidlala izindima ezimbili: eyodwa eyokuhlinzeka ngeluphu yamanje yesiginali njengendawo evamile, kanti enye iwukucindezela ukuphazamiseka komsindo kazibuthe esignali njengenethi elivikelayo.Intambo emaphakathi kanye nenethiwekhi evikelayo phakathi kongqimba lwe-polypropylene insulation semi-foaming, isendlalelo se-insulation sinquma izici zokudlulisela zekhebula, futhi sivikele ngempumelelo intambo ephakathi, enesizathu esibizayo.
Inguqulo ye-USB4 esontekile iyeza?
Njengoba amasekhethi e-elekthronikhi esebenza kumaza aphezulu, izici zikagesi zezingxenye ze-elekthronikhi ziba nzima kakhulu ukuzazi.Lapho usayizi wengxenye noma usayizi wesifunda wonke uma kuqhathaniswa nobude beza beza bemvamisa yokusebenza bukhulu kuneyodwa, inani le-circuit inductance capacitance, noma izingxenye umphumela we-parasitic wezakhiwo zezinto ezibonakalayo nokunye, ngisho nalapho sisebenzisa isakhiwo sokubhangqa intambo, Ukuhlolwa kwamapharamitha ayisisekelo akukwazi ukuhlangabezana nezidingo zamakhasimende, futhi kuyavumelana nezimo kunenguqulo ye-coaxial yesakhiwo kanye nobubanzi bayo bukude, Kungani ngingakwazi ukusebenzisa i-USB ehambisanayo ngamaqoqo?Ngokuvamile, ukuphakama kwemvamisa yokusetshenziswa kwekhebula, ubude beza beza besignali bube bufushane, futhi iphimbo le-skew lincane, kuba ngcono umphumela webhalansi.Kodwa-ke, i-splicing pitch encane kakhulu izoletha ukusebenza kahle kokukhiqiza okuphansi kanye ne-sprain ye-insulated core wire.I-pitch ye-line pair incane kakhulu, inani le-torsion liningi, futhi ukucindezelwa kwe-torsion esigabeni kugxilwe kakhulu, okuholela ekuguquguqukeni okukhulu kanye nokulimala kongqimba lwe-insulation, futhi ekugcineni kubangele ukuhlanekezelwa kwenkundla ye-electromagnetic, okuthinta ezinye. izinkomba zikagesi ezifana nenani le-SRL kanye nokunciphisa.Uma kukhona ukuqondana kwe-insulation, ibanga eliphakathi kwamakhondatha liyashintsha ngezikhathi ezithile ngenxa yokushintshashintsha nokuzungezisa kokuvikela umugqa owodwa, okuletha ukuguquguquka ngezikhathi ezithile kwe-impedance.Isikhathi sokuguquguquka side kakhulu.Ekudluliselweni kwefrikhwensi ephezulu, lolu shintsho olunensayo lungatholwa ngamaza kagesi futhi luthinte inani lokulahlekelwa okubuyayo.Inguqulo yokubhanqa ye-USB4 ayikwazi ukusetshenziswa kumaqoqwana.
Hhayi phansi, kodwa ungafuni ukusebenzisa i-coaxial yakho yokufa, ngakho-ke abantu baqala ukuqinisekisa umehluko we-USB4 izindlela zokuvikela zokwenza umkhiqizo, ukugoqa isihlengo esikhulu kunazo zonke kungumqhubi osontekile kalula, futhi umehluko ngephakethe elihambisanayo ngqo lomsebenzi wesikole, gwema i-conductor sprain, njengoba sonke sazi, okwamanje ISEBENZISA umehluko we-SAS, i-SFP + njll isetshenziswa emgqeni wejubane eliphezulu, Kwanele ukukhombisa ukuthi ukusebenza kwayo kufanele kube kuphakeme kunenguqulo enezintambo, indima ebalulekile yomugqa wedatha wemvamisa ephezulu ukudlulisa amasignali edatha, kodwa uma siyisebenzisa nxazonke zingavela zonke izinhlobo zolwazi oluphazamisayo.Ake sicabange uma lezi zimpawu zokuphazamiseka zingena kumqhubi wangaphakathi womugqa wedatha futhi zibeke phezulu kusiginali edlulisiwe yasekuqaleni, kungenzeka yini ukuphazamisa noma ukuguqula isignali yasekuqaleni edlulisiwe, ngaleyo ndlela kubangele ukulahleka kwesignali ewusizo noma izinkinga?Futhi umehluko we-aluminium foil layer uwukudlulisa ulwazi kithi ukuze sidlale indima yokuvikela nokuvikela, esetshenziselwa ukunciphisa ukuphazamiseka kwamasignali angaphandle azimele ukuze adluliselwe, impahla yebhande lephakheji eliyinhloko kanye nokudonsa kwe-aluminium foil ukusebenzisa ukuvala uphawu kwe-aluminium foil nokuvikela. , i-coating ehlangothini olulodwa noma enezinhlangothi ezimbili kwifilimu yepulasitiki, lu: i-su composite foil esetshenziswa njengesihlangu sekhebula.Ucwecwe lwekhebula ludinga uwoyela omncane ngaphezulu, azikho izimbobo kanye nezakhiwo eziphezulu zemishini.Inqubo yokugoqa iwukuqoqa izintambo ezimbili ezivalekile eziwumgogodla kanye nezintambo eziphansi ndawonye ngomshini wokusonga.Ngesikhathi esifanayo, ungqimba lwe-aluminium foil kanye nongqimba lwetheyiphu ye-polyester enamathelayo esinkwa sangaphandle kusetshenziselwa ukuvikela ukubhanqwa kocingo nokusimamisa ukwakheka kwezintambo eziwumgogodla wokugoqa.Le nqubo inomthelela obalulekile empahleni yocingo, ehlanganisa ukuthintana, umehluko wokulibaziseka, ukuncishiswa, ngoba lokhu kufanele kukhiqizwe ngokuqinile ngemfuneko yemisebenzi yezandla, ukuhlola impahla kagesi, ukuze kuqinisekiswe ukuthi intambo ewumgogodla wokugoqa ihambisana nemfuneko.Yiqiniso, akuwona wonke imigqa yedatha enezingqimba ezimbili zokuvikela.Ezinye zinezingqimba eziningi, ezinye zinesendlalelo esisodwa kuphela, noma azikho nhlobo.I-Shielding iwukuhlukaniswa kwensimbi phakathi kwezifunda ezimbili zendawo ukuze kulawulwe ukungeniswa kanye nemisebe yamagagasi kagesi, kazibuthe kanye nozibuthe kagesi ukusuka kwesinye isifunda ukuya kwesinye.Ukucacisa, i-conductor core izungezwe indikimba evikelayo ukuze ivinjwe ukuthi ingathinteki inkambu/isiginali yokuphazamiseka kagesi yangaphandle, kanye nokuvikela inkambu/isiginali ye-electromagnetic yokuphazamiseka ekusakazekeni ngaphandle.Ipheya ye-USB ehlukanisayo yokuhlola isignali ephezulu ingaqhathaniswa ne-coaxial, ikhebula elihlukile le-USB4 liyeza.
Isikhathi sokuthumela: Aug-16-2022
