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 ndị ewepụtara ọhụrụ na-akwado ụdị interface Type-C, kamakwa kọmpụta akwụkwọ ndetu, igwefoto dijitalụ, igwe okwu smart, akụrụngwa ike mkpanaka na ngwaọrụ ndị ọzọ amalitela ịnakwere nkọwapụta USB TYPE-C, nke ewebatala nke ọma. banye n'ọhịa 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 ezigbo ndakọrịta na ntinye nke usoro iwu ọhụrụ, na-aga azụ na USB3.2/3.1/3.0/2.0, yana Thunderbolt 3. N'ihi ya, USB4 aghọwo ọkọlọtọ USB kachasị mgbagwoju anya ruo taa. , na-achọ ndị na-emepụta ihe ịghọta USB4, USB3.2, USB2.0, USB Ụdị-C na USB ike nnyefe nkọwa.Na mgbakwunye, ndị na-emepụta ga-aghọta nkọwa PCI Express na DisplayPort, yana teknụzụ nchekwa ọdịnaya HIGH-DEFINITION (HDCP) dabara na ọnọdụ USB4 DisplayPort, yana eriri na njikọ anyị maara nke ọma nwere ihe dị elu chọrọ iji zute chọrọ ịrụ ọrụ eletriki nke eriri USB4 ngwaahịa emechara.
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. Ngwa zuru oke nke nkọwa USB bụ ahịrị coaxial ahụike, ahịrị elektrọnik teflon coaxial, eriri redio coaxial wired, wdg, na ahịa nnukwu ọnụ ahịa njikwa chọrọ, na oge USB3.1 nke stranding iji zute arụmọrụ nke ngwaahịa ahụ ngwa ngwa na-abanye n'ahịa ahụ, mana na ahịa USB4 maka mkpa nnyefe dị elu ugboro ugboro na-esiwanye ike, na elu- nnyefe ọsọ chọrọ waya nwere ikike mgbochi nnyonye anya siri ike na nkwụsi ike eletriki, Iji hụ na nkwụsi ike nke nnyefe ugboro dị elu, USB4 na-emekarị ka bụ isi ụdị coaxial, mmepụta coaxial na mmepụta usoro bụ usoro mgbagwoju anya, iji dozie ya. ngwa ngwa dị elu na ngwa ngwa dị elu chọrọ akụrụngwa mmepụta kwesịrị ekwesị na usoro mmepụta nke tozuru okè ma kwụsie ike.N'ime mmepụta nke ngwaahịa ahụ, 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 gị (ọnụahịa ihe, nhazi ọnụ ahịa ọnụ) ndị ọzọ. dị mma, ma mmepe nke ahịa na-agbagharị mgbe niile ka esi enweta ọnụahịa batch kasị ukwuu, Pair of twist version adịlarị na ọdịiche nke nchọpụta mmepe coaxial na mmepe na ọganihu.
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 akụrụngwa size ma ọ bụ dum sekit size tụnyere wavelength nke ọrụ ugboro karịrị otu, sekit inductance capacitance uru, ma ọ bụ components parasitic mmetụta nke ihe onwunwe Njirimara na na, ọbụna mgbe anyị na-eji waya ụzọ Ọdịdị, Nnwale ule ugboro ugboro enweghị ike izute ihe ndị ahịa chọrọ, yana mgbanwe karịa ụdị coaxial nke ihe owuwu ya na dayameta ya dị anya, gịnị kpatara na enweghị m ike itinye eriri USB abụọ na batches?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 pitch splicing ga-eweta nrụpụta nrụpụta dị ala na mgbasa nke waya isi mkpuchi.The pitch nke ahịrị ụzọ dị nnọọ obere, ọnụ ọgụgụ nke torsion dị ọtụtụ, na torsion nrụgide na ngalaba na-lekwasị kpọrọ ihe, na-akpata oké deformation na mmebi nke mkpuchi oyi akwa, na n'ikpeazụ na-eme ka agbagọ nke electromagnetic ubi, na-emetụta ụfọdụ. ihe ngosi eletriki dị ka uru SRL 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 elu na-agba ọsọ akara, Iji gosi na ya arụmọrụ ga-adị elu karịa stranded version, ọrụ dị mkpa nke elu ugboro data akara bụ. izipu 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 aluminom foil oyi akwa bụ ịnyefe ozi ka anyị rụọ ọrụ nke nchebe na mkpuchi, na-eji iji belata nnyonye anya nke n'èzí n'ókè nke onwe maka nnyefe, isi ngwugwu belt ihe na aluminum foil sere bụ iji aluminum foil sealing na shielding. , mkpuchi otu akụkụ ma ọ bụ akụkụ abụọ na ihe nkiri plastik, lu: su composite foil nke a 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
