Universal Serial Bus (USB) tej zaum yog ib qho ntawm ntau yam kev sib tshuam hauv ntiaj teb.Nws yog Ameslikas pib los ntawm Intel thiab Microsoft thiab nta kub plug thiab ua si li sai tau.Txij li thaum cov kev taw qhia ntawm USB interface nyob rau hauv 1994, tom qab 26 xyoo ntawm txoj kev loj hlob, los ntawm USB 1.0/1.1, USB2.0, USB 3.x, thaum kawg tsim mus rau tam sim no USB4;Cov kis tau tus mob kuj tau nce los ntawm 1.5Mbps mus rau qhov tseeb 40Gbps.Tam sim no, tsis yog tsuas yog cov xov tooj tshiab uas nyuam qhuav pib pib txhawb hom-C interface, tab sis kuj muaj cov khoos phis tawj, cov koob yees duab digital, cov neeg hais lus ntse, cov khoom siv hluav taws xob txawb thiab lwm yam khoom siv tau pib txais TYPE-C specification USB interface, uas tau ua tiav kev qhia. nyob rau hauv automotive teb.Hloov chaw ntawm USB-A, Tesla tus qauv tshiab 3 muaj usB-C chaw nres nkoj, thiab Apple tau hloov tag nrho nws cov macBooks thiab AirPods Pro rau cov chaw nres nkoj USB hom-C ntshiab rau kev hloov ntaub ntawv thiab them nyiaj.Tsis tas li ntawd, raws li qhov yuav tsum tau muaj ntawm eu, kua kuj tseem yuav siv USB hom-c interface yav tom ntej iPhone15, thiab nws tsis muaj kev ntseeg siab tias USB4 yuav yog cov khoom lag luam tseem ceeb hauv kev lag luam yav tom ntej.
Yuav tsum tau rau USB4 cables
Qhov kev hloov pauv loj tshaj plaws hauv USB4 tshiab yog kev qhia txog Thunderbolt raws tu qauv specification uas Intel koom nrog usb-yog.Khiav dhau ob qhov txuas, qhov bandwidth yog ob npaug rau 40Gbps, thiab Tunneling txhawb ntau cov ntaub ntawv thiab tso saib cov txheej txheem.Piv txwv li PCI Express thiab DisplayPort.Tsis tas li ntawd, USB4 tswj kev sib raug zoo nrog kev qhia txog cov txheej txheem tshiab hauv qab, rov qab sib xws nrog USB3.2 / 3.1 / 3.0 / 2.0, nrog rau Thunderbolt 3. Yog li ntawd, USB4 tau dhau los ua cov txheej txheem USB nyuaj tshaj plaws rau hnub tim. , xav kom cov neeg tsim khoom nkag siab txog USB4, USB3.2, USB2.0, USB Hom-C thiab USB Power Delivery specifications.Tsis tas li ntawd, cov neeg tsim qauv yuav tsum nkag siab txog PCI Express thiab DisplayPort cov lus qhia tshwj xeeb, nrog rau HIGH-DEFINITION cov ntsiab lus tiv thaiv (HDCP) thev naus laus zis uas tau sib xws nrog USB4 DisplayPort hom, thiab cov cables thiab cov khoom sib txuas uas peb paub muaj ntau dua kom tau raws li qhov yuav tsum tau ua. hluav taws xob kev ua tau zoo yuav tsum tau ntawm USB4 cable tiav cov khoom.
Ib coaxial version ntawm USB4 tawm los ntawm qhov chaw
Hauv USB3.1 10G era, ntau lub tuam txhab tau txais cov qauv coaxial kom tau raws li qhov yuav tsum tau ua ntawm kev ua haujlwm siab.Coaxial version tsis tau siv nyob rau hauv USB series ua ntej, nws daim ntawv thov scenarios yog tsuas yog phau ntawv, xov tooj ntawm tes, GPS, ntsuas ntsuas, Bluetooth technology, thiab lwm yam. Daim ntawv thov ntawm cable piav qhia yog kho mob coaxial kab, teflon coaxial hluav taws xob kab, Xov tooj cua zaus coaxial hlau, thiab lwm yam., nrog rau kev tswj hwm tus nqi lag luam ntau, hauv USB3.1 era ntawm stranding kom tau raws li qhov kev ua tau zoo ntawm cov khoom lag luam sai sai, tab sis nrog USB4 kev lag luam rau cov kev xav tau ntau zaus ntau dua thiab nruj, thiab siab- ceev kis tau tus mob xav tau hlau muaj ib tug muaj zog tiv thaiv kev cuam tshuam muaj peev xwm thiab hluav taws xob kev ua tau zoo stability, nyob rau hauv thiaj li yuav xyuas kom meej stability ntawm high zaus kis tau tus mob, tam sim no mainstream USB4 tseem yog lub ntsiab coaxial version, coaxial ntau lawm thiab manufacturing txheej txheem yog ib tug complex txheej txheem, los mus daws. lub siab zaus thiab kev kub ceev daim ntawv thov yuav tsum tau tsim cov khoom tsim nyog thiab paub tab thiab ruaj khov txheej txheem ntau lawm.Hauv kev tsim cov khoom, kev xaiv cov khoom siv, cov txheej txheem tsis ua haujlwm thiab kev tswj cov txheej txheem, cov khoom siv hluav taws xob ntawm cov kev sim tshwj xeeb hauv kev sim ua lub luag haujlwm tseem ceeb, thoob plaws hauv txoj kev loj hlob fwj ntawm cov qauv coaxial, ntxiv rau koj (cov khoom siv, cov nqi ua haujlwm kim) lwm yam. yog qhov zoo, tab sis txoj kev loj hlob ntawm kev ua lag luam ib txwm tig mus ncig yuav ua li cas kom ua tiav qhov loj tshaj batch nqi, Pair ntawm twist version yeej ib txwm nyob rau hauv qhov sib txawv ntawm coaxial txoj kev loj hlob kev tshawb fawb thiab kev loj hlob thiab breakthrough.
Nws tuaj yeem pom los ntawm cov qauv ntawm cov kab coaxial, los ntawm sab hauv mus rau sab nraud, raws li: central conductor, insulating txheej, txheej conductive txheej (hlau mesh), hlau daim tawv nqaij.Coaxial cable yog ib qho kev sib xyaw ua ke ntawm ob lub conductors.Lub hauv paus xaim ntawm coaxial cable yog siv los xa cov teeb liab.Hlau shielding net plays ob lub luag haujlwm: ib qho yog muab lub voj voog tam sim no rau lub teeb liab raws li cov hauv paus ntsiab lus, thiab lwm yam yog txhawm rau cuam tshuam cov suab nrov ntawm electromagnetic rau lub teeb liab raws li cov ntaub thaiv npog.Lub hauv paus xaim thiab kev tiv thaiv kev sib txuas ntawm lub semi-foaming polypropylene rwb thaiv tsev txheej, txheej rwb thaiv tsev txiav txim siab cov yam ntxwv ntawm kev sib kis ntawm cable, thiab zoo tiv thaiv cov hlau nruab nrab, kim kim yog vim li cas.
USB4 twisted khub version los?
Raws li cov khoom siv hluav taws xob ua haujlwm ntawm cov zaus ntau dua, cov yam ntxwv hluav taws xob ntawm cov khoom siv hluav taws xob tau dhau los ua qhov nyuaj rau tus tswv.Thaum cov khoom loj lossis tag nrho qhov loj ntawm lub voj voog piv rau lub wavelength ntawm kev khiav hauj lwm zaus ntau dua li ib, lub Circuit Court inductance capacitance tus nqi, los yog cov khoom siv parasitic nyhuv ntawm cov khoom thiab lwm yam, txawm tias thaum peb siv cov hlau khub qauv, Kev ntsuas qhov ntsuas zaus tsis tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm cov neeg siv khoom, thiab hloov tau yooj yim dua li cov coaxial version ntawm cov qauv thiab nws txoj kab uas hla yog nyob deb, Vim li cas kuv thiaj tsis tuaj yeem siv cov khub USB hauv batch?Feem ntau, qhov ntau dua ntawm kev siv cable, qhov luv luv lub wavelength ntawm lub teeb liab, thiab qhov me me ntawm skew pitch, qhov zoo dua qhov sib npaug.Txawm li cas los xij, me me me me splicing suab yuav ua rau cov khoom siv qis qis thiab tsis muaj zog ntawm cov tub ntxhais hlau insulated.Lub suab ntawm cov kab khub yog me me, tus naj npawb ntawm torsion yog ntau, thiab qhov torsion kev nyuaj siab ntawm cov seem yog concentrated tiag tiag, ua rau muaj kev puas tsuaj loj thiab kev puas tsuaj ntawm cov txheej rwb thaiv tsev, thiab thaum kawg ua rau lub distortion ntawm electromagnetic teb, cuam tshuam rau qee yam. hluav taws xob ntsuas xws li SRL tus nqi thiab attenuation.Thaum rwb thaiv tsev eccentricity tshwm sim, qhov kev ncua deb ntawm cov conductors hloov ib ntus vim lub kiv puag ncig thiab kev sib hloov ntawm insulating ib kab, uas ua rau lub sij hawm hloov pauv ntawm impedance.Lub sijhawm hloov pauv yog qhov ntev.Hauv kev sib kis ntau zaus, qhov kev hloov qeeb no tuaj yeem kuaj pom los ntawm electromagnetic nthwv dej thiab cuam tshuam tus nqi rov qab.Lub USB4 khub version tsis tuaj yeem siv hauv cov khoom siv.
Tsis yog rau hauv av, tab sis tsis xav siv koj txoj kev tuag coaxial, yog li cov neeg pib tshawb xyuas qhov sib txawv USB4 shielding txoj kev los ua cov khoom, kom wring qhov loj tshaj drawback yog yooj yim twisted conductor, thiab qhov sib txawv nrog cov khoom sib txuas ncaj qha rau kev ua tom tsev, zam cov neeg xyuas pib sprain, raws li peb txhua tus paub, tam sim no siv qhov sib txawv ntawm SAS, SFP + thiab lwm yam yog siv nyob rau hauv kev kub ceev kab, Txaus los qhia tias nws cov kev ua tau zoo yuav tsum siab tshaj cov stranded version, ib tug tseem ceeb luag hauj lwm ntawm high zaus cov ntaub ntawv kab. xa cov ntaub ntawv teeb liab, tab sis thaum peb siv nws ib puag ncig yuav tshwm sim txhua yam ntaub ntawv cuam tshuam cuam tshuam.Cia peb xav txog yog tias cov teeb liab cuam tshuam no nkag mus rau sab hauv tus neeg xyuas pib ntawm cov ntaub ntawv kab thiab superimpose ntawm cov teeb liab kis tau tus thawj, nws puas tuaj yeem cuam tshuam lossis hloov cov teeb liab kis tau zoo, yog li ua rau muaj txiaj ntsig zoo lossis teeb meem?Thiab qhov sib txawv ntawm aluminium foil txheej yog hloov cov ntaub ntawv rau peb los ua lub luag haujlwm ntawm kev tiv thaiv thiab kev tiv thaiv, siv los txo kev cuam tshuam ntawm sab nraud kev ywj pheej ntawm kev sib kis, cov khoom siv tseem ceeb ntawm cov khoom siv thiab aluminium foil rub yog siv aluminium foil sealing thiab shielding. , ib sab los yog ob sab txheej txheej ntawm cov yas zaj duab xis, lu: su composite ntawv ci uas yog siv los ua ntaub thaiv npog ntawm lub cable.Cable foil yuav tsum muaj roj tsawg ntawm qhov chaw, tsis muaj qhov thiab cov khoom siv tshuab siab.Cov txheej txheem ntawm wrapping yog sib sau ua ke ob lub insulated cores thiab hauv av xaim ua ke los ntawm wrapping tshuab.Nyob rau tib lub sijhawm, ib txheej ntawm aluminium ntawv ci thiab ib txheej ntawm nws tus kheej-nplaum polyester daim kab xev rau ntawm lub khob cij sab nraud yog siv los tiv thaiv cov hlua khi thiab ruaj khov ntawm cov qauv ntawm cov ntaub qhwv cov xov hlau.Cov txheej txheem no muaj cov txiaj ntsig tseem ceeb rau cov cuab yeej xaim, suav nrog impedance, ncua qhov sib txawv, attenuation, vim tias qhov no yuav tsum ua kom nruj raws li kev xav tau ntawm cov khoom siv tes ua, ua kev ntsuam xyuas rau cov khoom siv hluav taws xob, txhawm rau xyuas kom cov ntaub qhwv cov tub ntxhais hlau yog raws li qhov yuav tsum tau ua.Tau kawg, tsis yog tag nrho cov ntaub ntawv kab muaj ob txheej tiv thaiv.Qee qhov muaj ntau txheej, qee qhov tsuas muaj ib txheej, lossis tsis muaj tag nrho.Shielding yog ib qho hlau sib cais ntawm ob cheeb tsam spatial los tswj qhov induction thiab hluav taws xob ntawm hluav taws xob, sib nqus thiab electromagnetic nthwv dej ntawm ib cheeb tsam mus rau lwm qhov.Yuav kom paub meej, tus neeg xyuas pib yog ib puag ncig los ntawm lub cev tiv thaiv los tiv thaiv lawv los ntawm kev cuam tshuam los ntawm sab nraud electromagnetic teb / cuam tshuam teeb liab, thiab tiv thaiv kev cuam tshuam electromagnetic teb / teeb liab los ntawm kev nthuav tawm sab nraud.USB sib txawv khub siab zaus teeb liab kuaj yuav muab piv rau coaxial, sib txawv khub USB4 cable los.
Post lub sij hawm: Aug-16-2022
