Universal Serial Bus (USB) nwere ike ịbụ otu n'ime ihu igwe kachasị mma n'ụwa. Intel na Microsoft butere ya na mbụ yana njirimara dị ka plọg na-ekpo ọkụ na-egwu dị ka o kwere mee. Kemgbe mmalite nke USB interface na 1994, mgbe afọ 26 nke mmepe gasịrị, site na USB 1.0/1.1, USB2.0, USB 3.x, mechara mepụta USB4 ugbu a; Ọnụego mbufe a abawanyela site na 1.5Mbps ruo 40Gbps kacha ọhụrụ. Ka ọ dị ugbu a, ọ bụghị naanị smart phones ọhụrụ ewepụtara na-akwado ụdị ụdị-C, kamakwa kọmpụta akwụkwọ ndetu, igwefoto dijitalụ, igwe okwu smart, akụrụngwa ike mkpanaka na ngwaọrụ ndị ọzọ amalitela ịnakwere TYPE-C nkọwapụta USB interface, nke ewebatala nke ọma n'ime mpaghara ụgbọ ala. Kama USB-A, Tesla's Model 3 ọhụrụ nwere ọdụ ụgbọ mmiri usB-C, Apple agbanweela macBooks ya na AirPods Pro ka ọ bụrụ ọdụ ụgbọ USB Type-C dị ọcha maka ịnyefe na ịchaji data. Na mgbakwunye, dị ka ihe ndị eu chọrọ si dị, apple ga-ejikwa USB ụdị-c interface n'ọdịnihu iPhone15, na obi abụọ adịghị ya na USB4 ga-abụ isi ngwaahịa interface n'ọdịnihu ahịa.
Ihe achọrọ maka eriri USB4
Mgbanwe kachasị na USB4 ọhụrụ bụ iwebata nkọwapụta protocol Thunderbolt nke Intel kesara na usb-ọ bụrụ. Na-agba ọsọ na njikọ abụọ, bandwit na-agbaji okpukpu abụọ ruo 40Gbps, na Tunneling na-akwado ọtụtụ data na usoro ngosi. Ọmụmaatụ gụnyere PCI Express na DisplayPort. Tụkwasị na nke ahụ, USB4 na-ejigide ezi ndakọrịta na ntinye nke usoro iwu ọhụrụ, na-alaghachi azụ na USB3.2 / 3.1 / 3.0 / 2.0, yana Thunderbolt 3. N'ihi ya, USB4 aghọwo ọkọlọtọ USB kachasị dị mgbagwoju anya ruo taa, na-achọ ndị na-emepụta ihe ịghọta USB4, USB3.2, USB2.0, USB Type-Cike USB Details. Na mgbakwunye, ndị na-emepụta ga-aghọta nkọwa PCI Express na DisplayPort, yana teknụzụ nchekwa ọdịnaya nke HIGH-DEFINITION (HDCP) dabara na ọnọdụ USB4 DisplayPort, yana eriri na njikọ anyị maara nke ọma nwere ihe ndị dị elu chọrọ iji mezuo ihe achọrọ arụmọrụ eletriki nke ngwaahịa USB4 USB gwụchara.
Ụdị coaxial nke USB4 si n'ebe ọ bụla pụta
Na oge USB3.1 10G, ọtụtụ ndị na-emepụta ihe nakweere usoro coaxial iji mezuo ihe achọrọ nke ịrụ ọrụ ugboro ugboro. E tinyeghị ụdị Coaxial na usoro USB n'ihu, ihe ngosi ngwa ya bụ akwụkwọ ndetu, ekwentị mkpanaaka, GPS, ngwa nha, teknụzụ Bluetooth, wdg General ngwa nke nkọwa USB bụ ahịrị ahụike coaxial, ahịrị eletrọnịkị teflon coaxial, eriri redio coaxial waya, wdg, na ahịa njikwa ọnụ ahịa nnukwu ọnụ ahịa chọrọ, na oge USB3.1 nke stranding ahịa, mana ọ na-arụ ọrụ ngwa ngwa nke ahịa USB4. mkpa nnyefe nke elu ugboro ugboro na-esiwanye ike, na nnyefe ngwa ngwa dị mkpa waya nwere ikike mgbochi mgbochi siri ike na nkwụsi ike eletriki, Iji hụ na nkwụsi ike nke nnyefe ugboro ugboro, USB4 na-emekarị ka bụ isi coaxial version, coaxial mmepụta na mmepụta usoro bụ usoro mgbagwoju anya, iji dozie ugboro ugboro na ngwa ngwa ngwa ngwa chọrọ ngwa mmepụta kwesịrị ekwesị na usoro mmepụta nke tozuru okè. N'ime mmepụta nke ngwaahịa, nhọrọ ihe, usoro usoro na njikwa usoro, usoro eletriki nke ule ụlọ nyocha pụrụ iche na-arụ ọrụ dị mkpa, n'oge mmepe mmepe nke usoro coaxial, na mgbakwunye na nke gị (ọnụahịa akụrụngwa, ọnụ ahịa ọnụ ahịa dị oke ọnụ) ndị ọzọ dị mma, mana mmepe nke ahịa na-agbagharị mgbe niile otu esi enweta ọnụ ahịa ọnụ ahịa kacha ukwuu, ụdị nke ịgbagọ agbagọ anọwo na oghere nke mmepe na mmepe mmepe na coaxial.
Enwere ike ịhụ ya site na nhazi nke ahịrị coaxial, site n'ime ruo n'èzí, n'otu n'otu: onye na-eduzi etiti, mkpuchi mkpuchi, oyi akwa conductive elu (mesh mesh), waya akpụkpọ anụ. Coaxial cable bụ ngwakọta nke ndị nduzi abụọ mejupụtara. A na-eji eriri etiti nke eriri coaxial na-ebufe akara. Ụgbụ nchekwa igwe na-arụ ọrụ abụọ: otu bụ inye akaghị aka ugbu a maka mgbama dị ka ebe a na-ahụkarị, nke ọzọ bụ igbochi nnyonye anya mkpọtụ electromagnetic na mgbama dị ka ụgbụ mkpuchi. The center waya na ọta netwọk n'etiti ọkara-foaming polypropylene mkpuchi oyi akwa, mkpuchi oyi akwa na-ekpebi nnyefe e ji mara nke cable, na n'ụzọ dị irè na-echebe n'etiti waya, oké ọnụ nwere ọnụ ihe kpatara ya.
Ụdị eriri USB4 gbagọrọ agbagọ na-abịa?
Dị ka sekit eletrọnịkị na-arụ ọrụ n'ogo dị elu, njirimara eletriki nke akụrụngwa eletrọnịkị na-esiwanye ike ịmara. Mgbe akụkụ nke akụrụngwa ma ọ bụ nha sekit dum ma e jiri ya tụnyere ogologo nke ogologo oge ọrụ karịrị otu, uru ikike inductance sekit, ma ọ bụ ihe mejupụtara mmetụta parasitic nke ihe onwunwe na ihe ndị ọzọ, ọbụlagodi mgbe anyị na-eji usoro ụzọ waya waya, nyocha ugboro ugboro enweghị ike izute ihe ndị ahịa chọrọ, yana mgbanwe karịa ụdị coaxial nke ihe owuwu na dayameta ya dị anya, gịnị kpatara na enweghị m ike itinye eriri USB ahụ? N'ozuzu, ka ọ na-adị elu ugboro ole eji eriri USB eme ihe, ka ogologo mgbama ahụ dị mkpụmkpụ, na obere skew pitch, na-eme ka mmetụta nguzozi dịkwuo mma. Otú ọ dị, obere oghere splicing ga-eweta nrụpụta nrụpụta dị ala na mgbasa nke waya isi mkpuchi. The pitch nke akara ụzọ dị nnọọ obere, ọnụ ọgụgụ nke torsion dị ọtụtụ, na torsion nchegbu na ngalaba na-lekwasị kpọrọ ihe, na-akpata oké deformation na mmebi nke mkpuchi mkpuchi oyi akwa, na n'ikpeazụ na-eme ka agbagọ nke electromagnetic ubi, na-emetụta ụfọdụ eletriki egosi dị ka SRL uru na attenuation. Mgbe eccentricity mkpuchi dị, anya dị n'etiti ndị na-eduzi na-agbanwe oge ụfọdụ n'ihi mgbanwe na ntụgharị nke mkpuchi otu ahịrị, nke na-eweta mgbanwe oge nke impedance. Oge mgbanwe dị ogologo. Na mgbasa ozi ugboro ugboro dị elu, enwere ike ịhụ mgbanwe a na-adịghị ngwa site na ebili mmiri electromagnetic ma na-emetụta uru nloghachi. Enweghị ike iji ụdị ụzọ USB4 na batches.
Ọ bụghị n'ala, ma na-achọghị iji ọnwụ gị coaxial, otú ndị mmadụ malitere iji nyochaa ọdịiche USB4 ichebe ụzọ ime ngwaahịa, ka wring nnukwu drawback na-adị mfe gbagọrọ agbagọ eduzi, na ihe dị iche na yiri ngwugwu ozugbo maka ọrụ ụlọ, zere eduzi sprain, dị ka anyị niile maara, ugbu a na-eji ihe dị iche nke SAS, SFP + wdg na-eji na-eji dị iche nke SAS, SFP + wdg na-eji na elu na-agba ọsọ akara, nke ga-ezuru oke nke na-arụ ọrụ nke na-arụ ọrụ nke na-arụ ọrụ nke na-arụ ọrụ dị elu karịa nke na-egosi na ọ na-arụ ọrụ dị elu karịa nke na-arụ ọrụ nke na-arụ ọrụ nke ọma karịa ka ọ na-arụ ọrụ dị elu karịa akara ngosi ya na-arụ ọrụ nke ọma. ahịrị data ugboro dị elu bụ ịnyefe akara data, mana mgbe anyị na-eji ya gburugburu nwere ike ịpụta ụdị ozi nnyonye anya niile na-adịghị mma. Ka anyị chee echiche ma ọ bụrụ na akara nnyonye anya ndị a na-abanye n'ime onye na-eduzi nke data akara ma na-ebufe na mgbama mbụ ebute, ọ ga-ekwe omume igbochi ma ọ bụ gbanwee mgbaàmà mbụ a na-ebufe, si otú ahụ na-akpata ọnwụ ma ọ bụ nsogbu mgbaàmà bara uru? Na ihe dị iche nke aluminum foil oyi akwa bụ ịnyefe ozi ka anyị na-egwu ọrụ nke a nchebe na ọta, na-eji iji belata nnyonye anya nke n'èzí onwe n'ókè maka nnyefe, isi ngwugwu belt ihe na aluminum foil sere na-eji aluminum foil sealing na ikpuchi, otu akụkụ ma ọ bụ akụkụ abụọ mkpuchi na plastic film, lu: su composite foil na-eji dị ka ọta nke eriri. Cable foil chọrọ obere mmanụ n'elu, ọ dịghị oghere na nnukwu ígwè ọrụ. Usoro nke nchikota bụ ikpokọta wires isi abụọ etinyere na waya ala ọnụ site na igwe mkpuchi. N'otu oge ahụ, a na-eji akwa mkpuchi aluminom na akwa mkpuchi polyester nke na-ejide onwe ya na achịcha dị n'elu iji chebe ụzọ waya ma mee ka nhazi nke mkpuchi isi wires guzosie ike. Usoro a na-enwe mmetụta dị mkpa na ihe onwunwe waya, gụnyere impedance, ọdịiche igbu oge, attenuation, n'ihi na nke a ga-emepụta nke ọma site na nka chọrọ, mee nnwale na ihe onwunwe eletrik, iji hụ na kechie waya isi kwekọrọ na ihe achọrọ. N'ezie, ọ bụghị ahịrị data niile nwere okpukpu abụọ nke mkpuchi. Ụfọdụ nwere ọtụtụ oyi akwa, ụfọdụ nwere naanị otu oyi akwa, ma ọ bụ enweghị nke ọ bụla. Ọta bụ nkewa ọla n'etiti mpaghara oghere abụọ iji chịkwaa ntinye na radieshon nke ebili mmiri eletrik, magnetik na electromagnetic site n'otu mpaghara gaa na nke ọzọ. N'ịkọwapụta kpọmkwem, a na-ekpuchi isi ihe na-eduzi ya ka ọ ghara ime ka ha ghara imetụ ya aka site na oghere electromagnetic mpụga / mgbama nnyonye anya, yana igbochi nnyonye anya mpaghara / akara electromagnetic ịgbasa n'èzí. Nnwale mgbaama dị elu nke USB dị iche iche nwere ike iji tụnyere coaxial, eriri USB4 dị iche na-abịa.
Oge nzipu: Ọgọst-16-2022
