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, ayizizo iifowuni ezisandul 'ukuqaliswa ezisisiseko ezixhasa ujongano lwe-Type-C, kodwa kunye neekhompyuter zeencwadana, iikhamera zedijithali, izithethi ezihlakaniphile, izixhobo zombane eziphathwayo kunye nezinye izixhobo sele ziqalisile ukwamkela i-TYPE-C ye-interface ye-USB, eye yaziswa ngempumelelo kwintsimi 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 kweprotocol entsha esisiseko, ukuba ngasemva iyahambelana ne-USB3.2/3.1/3.0/2.0, kunye neThunderbolt 3. Ngenxa yoko, i-USB4 iye yaba ngowona mgangatho unzima we-USB ukuza kuthi ga ngoku, ifuna abaqulunqi baqonde i-USB4, i-USB3.2, i-USB2.C yohlobo oluthile lwe-USB Delive Power. Ukongeza, abaqulunqi kufuneka baqonde iinkcukacha ze-PCI Express kunye ne-DisplayPort, kunye ne-HIGH-DEFINITION yokukhusela umxholo (HDCP) ubuchwepheshe obuhambelana nemowudi ye-USB4 ye-DisplayPort, kwaye iintambo kunye nezihlanganisi esiziqhelileyo zineemfuno eziphezulu zokuhlangabezana neemfuno zokusebenza kombane we-USB4 cable egqityiweyo.
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 zesicelo sayo ikakhulu ziiNotebook, ifowuni ephathwayo, iGPS, isixhobo sokulinganisa, itekhnoloji yeBluetooth, njl. njl. Ukusetyenziswa ngokubanzi kwenkcazo yentambo ngumgca we-coaxial wezonyango, umgca we-coaxial we-elektroniki we-teflon, i-Radio frequency coaxial wire, njl. Imarike ye-USB4 yeemfuno zothumelo lwe-frequency ephezulu ngakumbi kwaye ingqongqo ngakumbi, kwaye i-high-speed transmission needs wire inamandla okuchasa uphazamiseko kunye nokuzinza kombane, Ukuze kuqinisekiswe uzinzo lokuhanjiswa kwamaza ombane aphezulu, i-USB4 yangoku iseyeyona nguqulo icoaxial iphambili, imveliso yecoaxial kunye nenkqubo yokuvelisa yinkqubo entsonkothileyo, ukusombulula inkqubo yokuvelisa imveliso ephezulu kunye nesantya esiphezulu semveliso kunye nesantya esiphezulu semveliso. Kwimveliso yemveliso, 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 imali eninzi) zilungile, kodwa uphuhliso lwentengiso luhlala lujikeleza indlela yokufikelela elona xabiso likhulu lebhetshi, Isibini se-gap yophuhliso kunye nophuhliso lwe-coaxial luhlala luhleli.
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.
I-USB4 iguqulelwe ngokujijekileyo iyeza?
Njengoko iisekethe ze-elektroniki zisebenza kumaza aphezulu, iimpawu zombane zamacandelo e-elektroniki ziba nzima ngakumbi ukuzazi. Xa ubungakanani becandelo okanye ubungakanani besekethe iphela xa kuthelekiswa nobude bexesha lokusebenza likhulu kunomnye, ixabiso lecapacitance yesekethe, okanye amacandelo isiphumo separasitic yeempawu zezinto eziphathekayo njalo njalo, nangona sasisebenzisa i-wire pair structure, iiparameters zovavanyo olusisiseko alukwazi ukuhlangabezana neemfuno zabathengi, kwaye bhetyebhetye kunoguqulelo lwe-coaxial yesakhiwo, Kutheni ndingenako ukusebenzisa i-USB kwi-ditmeter yayo kwi-batch? 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, kubangele ukuguqulwa okukhulu kunye nomonakalo we-insulation layer, kwaye ekugqibeleni kubangele ukuphazamiseka kwentsimi ye-electromagnetic, echaphazela ezinye 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 oluhamba rhoqo, 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 ngokulula ejijekileyo conductor, kwaye umahluko kunye ipakethe parallel ngqo umsebenzi wesikolo, kunqandwe conductor sprain, njengoko sonke siyazi, okwangoku USEBENZISA umahluko we-SAS, SFP + kunye nesantya esiphezulu kufuneka sibonise umgca we-SAS, SFP + njl njl. i-stranded version, indima ebalulekileyo yomgca wedatha ohamba rhoqo kukuhambisa imiqondiso yedatha, kodwa xa siyisebenzisa ngeenxa zonke kunokuvela zonke iintlobo zokuphazamiseka kokuphazamiseka. 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 wefoyile aluminiyam umaleko kukudlulisa ulwazi kuthi ukudlala indima yokukhusela kunye nokukhusela, esetyenziselwa ukunciphisa ukuphazamiseka kwemiqondiso yangaphandle ezimeleyo yokudluliselwa, eyona nto ibalulekileyo yebhanti yempahla kunye ne-aluminium foil yokutsala kukusebenzisa ukutywinwa kwefoyile kunye nokukhuselwa, i-aluminiyamu yokutywinwa kwe-foil kunye nokukhusela, i-aluminiyam okanye i-cale-macale yokwaleka kwifilimu yeplastiki, i-lu: isetyenziswe njenge-foil ye-composite ye-cable foil. 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 lunokuthelekiswa ne-coaxial, isibini esahlukileyo intambo ye-USB4 iyeza.
Ixesha lokuposa: Aug-16-2022
