Universal Serial Bus (USB) mhlawumbi lolona jongano lusebenza ngeendlela ezininzi ehlabathini.Yaqalwa ekuqaleni yi-Intel kunye neMicrosoft kunye neempawu njengeplagi eshushu kunye nokudlala ngokusemandleni.Ukususela ekuqalisweni kojongano lwe-USB ngo-1994, emva kweminyaka engama-26 yophuhliso, nge-USB 1.0/1.1, USB2.0, USB 3.x, ekugqibeleni yaphuhliswa kwi-USB4 yangoku;Izinga lokuhambisa liye landa ukusuka kwi-1.5Mbps ukuya kwi-40Gbps yakutshanje.Okwangoku, ayisiyiyo kuphela iifowuni ezisandula ukuphehlelelwa ngokusisiseko ezixhasa ujongano lwe-Type-C, kodwa kunye neekhompyuter ze-notebook, iikhamera zedijithali, izithethi ezilumkileyo, izixhobo zombane eziphathwayo kunye nezinye izixhobo sele ziqalisile ukwamkela i-TYPE-C yojongano lwe-USB, ethe yaziswa ngempumelelo. kwindawo yeemoto.Esikhundleni se-USB-A, i-Model 3 entsha kaTesla ineechweba ze-usB-C, kwaye i-Apple iguqule ngokupheleleyo ii-macBooks zayo kunye ne-AirPods Pro kwiizibuko ezicocekileyo ze-USB Type-C zokudlulisa idatha kunye nokutshaja.Ukongeza, ngokweemfuno ze-eu, i-apile iya kusebenzisa ujongano lwe-USB uhlobo-c kwixesha elizayo le-iPhone15, kwaye alithandabuzeki elokuba i-USB4 iya kuba lujongano oluphambili lwemveliso kwimarike yexesha elizayo.
Iimfuno zeentambo ze-USB4
Olona tshintsho lukhulu kwi-USB4 entsha kukungeniswa kwenkqubo yeThunderbolt ekwabelwana ngayo ne-Intel kunye ne-usb-ukuba.Ukuqhubela phambili kwiikhonkco ezimbini, i-bandwidth iphindwe kabini kwi-40Gbps, kwaye i-Tunneling isekela idatha eninzi kunye neeprotocol zokubonisa.Imizekelo ibandakanya i-PCI Express kunye ne-DisplayPort.Ukongeza, i-USB4 igcina ukuhambelana okuhle kunye nokuqaliswa kweprothokholi entsha esisiseko, ibuyela ngasemva ihambelana ne-USB3.2/3.1/3.0/2.0, kunye neThunderbolt 3. Ngenxa yoko, i-USB4 iye yaba yeyona migangatho inzima ye-USB ukuza kuthi ga ngoku. , ifuna abaqulunqi baqonde i-USB4, i-USB3.2, i-USB2.0, i-USB Type-C kunye ne-USB Power Delivery specifications.Ukongeza, abaqulunqi kufuneka baqonde iinkcukacha ze-PCI Express kunye ne-DisplayPort, kunye ne-HIGH-DEFINITION yokhuselo lomxholo (HDCP) itekhnoloji ehambelana nemowudi ye-USB4 DisplayPort, kwaye iintambo kunye nezihlanganisi esiziqhelileyo zineemfuno eziphezulu zokuhlangabezana nemowudi ye-USB4. Iimfuno zokusebenza zombane ze-USB4 cable ezigqityiweyo iimveliso.
Inguqulelo ye-coaxial ye-USB4 yaphuma ndawo
Kwixesha le-USB3.1 10G, abaninzi abavelisi bamkela isakhiwo se-coaxial ukuhlangabezana neemfuno zokusebenza okuphezulu.Uguqulelo lweCoaxial aluzange lusetyenziswe kuthotho lwe-USB ngaphambili, iimeko zosetyenziso lwayo ubukhulu becala i-Notebook, ifowuni ephathwayo, i-GPS, isixhobo sokulinganisa, iteknoloji yeBluetooth, njl. njl., kunye neemfuno zolawulo lwexabiso lemarike isambuku, kwixesha le-USB3.1 lokuxinana ukuhlangabezana nokusebenza kwemveliso ngokukhawuleza kuthathe indawo yentengiso, kodwa nge-USB4 yemarike yeemfuno zothumelo lwe-frequency ephezulu ngakumbi nangakumbi, kwaye iphezulu- isantya transmission iimfuno ucingo lunamandla anti-ukuphazamiseka kunye nozinzo ukusebenza zombane, Ukuze kuqinisekwe uzinzo uthumelo oluhamba rhoqo, i-USB4 engundoqo yangoku iseyi-coaxial version ephambili, imveliso ye-coaxial kunye nenkqubo yokuvelisa yinkqubo enzima, ukusombulula. i-frequency ephezulu kunye nesicelo sesantya esiphezulu sidinga izixhobo ezifanelekileyo zokuvelisa kunye nenkqubo yokuvelisa eqolileyo kwaye ezinzileyo.Kuveliso lwemveliso, ukhetho lwemathiriyeli, iiparamitha zenkqubo kunye nolawulo lwenkqubo, iiparamitha zombane zovavanyo olukhethekileyo lwebhubhoratri zidlala indima ephambili, kulo lonke uphuhliso lwebhotile yesakhiwo se-coaxial, ukongeza kwixabiso lakho (ixabiso lezinto eziphathekayo, iindleko zokuqhuba zibiza kakhulu) zilungile, kodwa uphuhliso lwemarike luhlala lujikeleza indlela yokufikelela elona xabiso likhulu lebhetshi, Isibini soguqulelo olujijekileyo besisoloko sikwisithuba sophando lophuhliso lwecoaxial kunye nophuhliso kunye nokuphumelela.
Inokubonwa kwisakhiwo somgca we-coaxial, ukusuka ngaphakathi ukuya ngaphandle, ngokulandelanayo: i-conductor ephakathi, i-insulating layer, i-condative layer yangaphandle (i-mesh mesh), ulusu locingo.Intambo ye-coaxial yi-composite eyenziwe ngabaqhubi ababini.Intambo ephakathi ye-coaxial cable isetyenziselwa ukuhambisa iimpawu.Umnatha wokukhusela isinyithi udlala iindima ezimbini: enye kukubonelela nge-loop yangoku yesiginali njengomhlaba oqhelekileyo, kwaye enye kukucinezela ukuphazamiseka kwengxolo ye-electromagnetic kumqondiso njengomnatha okhuselayo.Ucingo oluphakathi kunye nothungelwano olukhuselayo phakathi kwe-semi-foaming polypropylene insulation layer, i-insulation layer imisela iimpawu zokudluliselwa kwentambo, kunye nokukhusela ngokufanelekileyo ucingo oluphakathi, olubiza kakhulu lunesizathu esibizayo.
Inguqulo ye-USB4 ejijekileyo iyeza?
Njengoko iisekethe ze-elektroniki zisebenza kumaza aphezulu, iimpawu zombane zamacandelo e-elektroniki ziba nzima ngakumbi ukuzazi.Xa ubungakanani becandelo okanye ubungakanani besekethe yonke xa kuthelekiswa nobude bomqukumbelo wokusebenza bukhulu kunomnye, ixabiso lecapacitance yesekethe, okanye amacandelo isiphumo separasitic seempawu zezinto kunye nokunye, naxa sisebenzisa i-wire pair structure, Uvavanyo olusisiseko lweparameters alukwazi ukuhlangabezana neemfuno zabathengi, kwaye lubhetyebhetye kunoguqulelo lwecoaxial lwesakhiwo kunye nobubanzi bayo bukude, Kutheni ndingenako ukusebenzisa isibini se-USB kwiibhetshi?Ngokubanzi, okukhona iphezulu i-frequency yokusetyenziswa kwentambo, imfutshane i-wavelength yomqondiso, kwaye incinci i-skew pitch, ingcono i-balance effect.Nangona kunjalo, i-pitch ye-splicing encinci kakhulu iya kuzisa ukusebenza kakuhle kwemveliso kunye ne-sprain yocingo olungundoqo olugqunyiweyo.I-pitch ye-line pair incinci kakhulu, inani le-torsion lininzi, kwaye uxinzelelo lwe-torsion kwicandelo lugxininiswe ngokunzulu, okukhokelela kuguquko olubi kunye nomonakalo we-insulation layer, kwaye ekugqibeleni kubangele ukugqwetheka kwentsimi ye-electromagnetic, echaphazela abanye. iimpawu zombane ezifana nexabiso le-SRL kunye nokunciphisa.Xa i-insulation eccentricity ikhona, umgama phakathi kwee-conductor uyatshintsha ngamaxesha athile ngenxa ye-revolution kunye nokujikeleza kokukhusela umgca omnye, okuzisa ukuguquguquka kwamaxesha athile kwe-impedance.Ixesha lokuguquguquka lide kakhulu.Kusasazo lwamaza ombane aphezulu, olu tshintsho lucothayo lunokubonwa ngamaza ombane kwaye luchaphazele ixabiso lelahleko lokubuya.Uhlobo lwesibini lwe-USB4 alunakusetyenziswa kwiibhetshi.
Hayi emhlabeni, kodwa abafuni ukusebenzisa ukufa kwakho coaxial, ngoko abantu baqala ukuqinisekisa umahluko USB4 iindlela ezikhuselayo ukwenza imveliso, ukuba wring eyona drawback inkulu lula ejijekileyo conductor, kwaye umahluko kunye ipakethe parallel ngqo umsebenzi wasekhaya, ukuphepha umqhubi we-sprain, njengoko sonke siyazi, okwangoku ISEBENZISA umahluko we-SAS, i-SFP + njl. ukuhambisa imiqondiso yedata, kodwa xa siyisebenzisa ngokujikelezayo kunokuvela zonke iintlobo zophazamiseko lolwazi.Makhe sicinge malunga nokuba le miqondiso yokuphazamiseka ingena kumqhubi wangaphakathi womgca wedatha kwaye igxininise kwisignali yokuqala edluliselweyo, ngaba kunokwenzeka ukuphazamisa okanye ukuguqula umqondiso ogqithisiweyo wokuqala, ngaloo ndlela ubangela ukulahleka komqondiso oluncedo okanye iingxaki?Kwaye umahluko we-aluminium foil layer kukudlulisa ulwazi kuthi ukuba sidlale indima yokukhusela kunye nokukhusela, esetyenziselwa ukunciphisa ukuphazamiseka kwemiqondiso yangaphandle ezimeleyo yokudluliselwa, eyona nto iphambili yebhanti yempahla kunye ne-aluminium foil pull kukusebenzisa ukutywinwa kwe-aluminium kunye nokukhusela. , i-coat-side okanye i-cale-side coating kwifilimu yeplastiki, lu: i-su composite foil esetyenziswa njengekhaka lentambo.I-cable foil idinga i-oyile encinci phezu komhlaba, akukho mingxuma kunye neempawu eziphezulu zemishini.Inkqubo yokusonga kukuqokelela iingcingo ezimbini ezigqunyiweyo kunye neengcingo zomhlaba kunye ngomatshini wokusonga.Kwangaxeshanye, umaleko wefoyile ye-aluminiyam kunye ne-self-adhesive tape ye-polyester kwisonka sangaphandle zisetyenziselwa ukukhusela isibini socingo kunye nokuzinzisa isakhiwo sokusonga iingcingo eziphambili.Le nkqubo inesiphumo esibalulekileyo kwipropathi yocingo, ibandakanya uthintelo, umahluko wokulibaziseka, ukuthothisa, kuba oku kufuneka kuvelise ngokungqongqo ngokwemfuno yezandla, ukwenza uvavanyo kwipropathi yombane, ukuze kuqinisekiswe ukuba ucingo olungundoqo olusongelweyo luhambelana nemfuneko.Ngokuqinisekileyo, ayizizo zonke iilayini zedatha ezinemigangatho emibini yokukhusela.Abanye banomaleko abaninzi, abanye banomaleko omnye kuphela, okanye abanawo kwaphela.Ukukhusela kukwahlulwa kwentsimbi phakathi kwemimandla emibini yendawo ukulawula ukufakwa kunye nemitha yombane, imagnethi kunye namaza ombane wombane ukusuka komnye ummandla ukuya komnye.Ukuchaneka, i-conductor core ijikelezwe ngumzimba okhuselayo ukubathintela ukuba bangachatshazelwa yintsimi ye-electromagnetic yangaphandle / isignali yokuphazamiseka, kunye nokuthintela intsimi ye-electromagnetic field / signal ukuba isasazeke ngaphandle.Uvavanyo lwe-USB lolwahlulo oluphezulu lovavanyo lophawu lunokuthelekiswa ne-coaxial, isibini esahlukileyo intambo ye-USB4 iyeza.
Ixesha lokuposa: Aug-16-2022
