PCB yihuta cyane ni iki?
Twise PCB ifite ibimenyetso byohereza ibimenyetso hejuru ya 1GHz yihuta yihuta.
Ni izihe nyungu zo gukoresha PCB yihuta?
Kunoza inshuro zerekana ibimenyetso no gukemura ikibazo cya EMI cyibicuruzwa bya elegitoronike, PCB yihuta cyane. Nyuma yo gushushanya PC-yihuta PCB imaze gutsinda cyane, uruhare rwayo muri EMI ni ngombwa. Hafi ya 60% yibibazo bya EMI birashobora gukemurwa na PCB yihuta.
Nibihe bikoresho bikoreshwa muri PCB yihuta?
Ibikoresho bifite ubushyuhe, ubukana bwa mashini, nibyiza (kwizerwa)
Ibikoresho bifite ibipimo bya Dk / Df bihamye (coefficient nto yo guhinduka hamwe na frequency hamwe nibidukikije)
Ibikoresho bifite igenzura ryiza
Ibikoresho bifite ubukana buke hejuru yumuringa
Guhitamo umwenda wa fibre fibre hamwe no gufungura bito birasabwa.
Ni izihe nama nakagombye gusuzuma mugihe ntegura PCB yihuta?
Inama nyinshi zijyanye no gukora PCB yihuta cyane zasobanuwe hano hepfo.
1) Koresha software ishushanya hamwe namahitamo meza
Ba injeniyeri bakeneye kumenya software ishushanya ishobora gutanga amahitamo meza. Ibikoresho bya software bisaba ibintu byinshi bihanitse kugirango ubashe gukora PCB yihuta muri software ya CAD. Ugomba kumva neza ibikoresho bikomeye bya CAD.
2) Inzira yihuta
Iyo bigeze kumuvuduko wihuse, abashushanya bakeneye kumva amategeko yuburyo bwibanze, harimo kutagabanya ibice byubutaka no gukomeza inzira ngufi. Nyamuneka, nyamuneka wirinde kunyura hejuru yintera runaka kumurongo wa digitale kandi ukingire ibintu byose bishobora kubyara intambamyi kubimenyetso byuzuye.
3) Inzira hamwe no kugenzura inzitizi
Kubimenyetso bimwe bya 40-120 oms, bakeneye guhuza impedance. Ibiranga impedance bihuye bigaragazwa na antene hamwe nibintu byinshi bitandukanye.
Abashushanya bakeneye kumva uburyo bwo kubara ubugari bwurugendo hamwe na stack-up ya ngombwa ya impedance. Niba agaciro ka impedance kadakwiye, birashobora kugira ingaruka zikomeye kubimenyetso, bishobora gutera ruswa.
4) Inzira zifite uburebure buhuye
Hano hari imirongo myinshi muri bisi yihuta yibuka bus na bus bus. Iyi mirongo irashobora gukora kumurongo mwinshi cyane, bityo ibimenyetso bigomba koherezwa icyarimwe uhereye kubohereje kubakira. Mubyongeyeho, bisaba ikintu cyitwa uburebure buhuye. Kubwibyo, ibipimo bisanzwe bisobanura indangagaciro zo kwihanganira zigomba guhuzwa nuburebure.
5) Kugabanya agace k'umuzunguruko ugezweho
Abashushanya PCB yihuta cyane bakeneye gukurikiza amategeko shingiro, nko gushushanya ubutaka bwikurikiranya no kugabanya ubuso bwumuzunguruko woguhindura muguhindura inzira igaruka yinzira, kimwe no gushyira vias nyinshi zidoze.
Ni ubuhe buryo bwiza bwo gukora PCB yihuta?
Ubuhanga bwihuse bwa PCB bwo gushushanya buramenyerewe, butanga ibimenyetso byukuri.
Ibikoresho byihuta PCBs byatoranijwe neza kugirango harebwe imikorere yikimenyetso.
Igenzura ry'umusaruro rirakorwa. Ingingo nyamukuru zigenzura mugihe cyumusaruro nubugari bwumuzunguruko, intera yumurongo, vias zometseho umuringa, uburebure bwumuringa bwumuzunguruko, ubunini bwa mask yagurishijwe, nibindi.
Ni ikihe giciro cyo gutunga iyo bigeze kuri PCB yihuta?
Ibintu bikurikira bizagira ingaruka kubiciro bya PCB yihuta.
Ibikoresho (ibikoresho bya substrate, ubunini bwa substrate, uburebure bwumuringa)
Ibikoresho byo gukora byakoreshejwe
Ingorane z'umusaruro
Ibyo umukiriya asabwa
Uburyo bwatoranijwe bwo gupakira
Uburyo bwatanzwe bwo gutanga
Nigute Gutegura PCB yihuta?
Igishushanyo cyihuta cya PCB ni inzira igoye cyane isaba gusuzuma byuzuye ibimenyetso, inzitizi, imirongo yohereza, nibindi bintu byinshi bya tekiniki. Ingingo za tekinike zikurikira zirashobora gutanga ibisobanuro bimwe.
Koresha ibice byinshi kugirango uyobore neza.
Mugihe kigufi kiyobora hagati yipine yibikoresho byihuta byumuzunguruko, nibyiza.
Shyira mu bikorwa ubutaka buzengurutse cyane cyane imirongo yerekana ibimenyetso cyangwa ibice byaho.
Umurongo wikimenyetso cyinshi ushyizwe kumurongo wubuso ukunda kubyara imirasire nini ya electronique. Umurongo mwinshi wumurongo wumurongo ugomba gushyirwa hagati yimbaraga nimbaraga zubutaka. Imirasire yabyaye izaba mike cyane bitewe no kwinjiza amashanyarazi ya electromagnetic kumurongo wamashanyarazi no murwego rwo hasi.
Ni irihe tandukaniro riri hagati yihuta PCB na PCB isanzwe?
Kuri PCB isanzwe, abantu bahangayikishijwe cyane numuzunguruko mugufi, izirinda, nibindi bibazo byinsinga zicyuma. Ariko, hamwe no gukurikirana imikorere ihanitse yibicuruzwa bya elegitoroniki, inshuro zohereza ibimenyetso bigomba kongerwa kandi abantu bahangayikishijwe cyane nubushakashatsi bwibimenyetso bya PCB yihuta.
Haba hari ibitekerezo bidasanzwe mugihe ukoresha PCB yihuta?
Ibitekerezo byihariye biri muburyo bwihuse bwa PCB no kubyara umusaruro mugihe ukoresha PCB yihuta.
Uburebure bwurugendo rutandukanye bugomba guhuzwa.
Inzira ntigomba kurenga indege zubutaka zituzuye.
Ntugashyire amanota yikizamini kumurongo utandukanye wihuta cyane.
Ntukajye unyura kumurongo wihuta wihuta hafi cyangwa munsi ya kristu, oscillator, guhinduranya ibikoresho byamashanyarazi, imyobo yo gushiraho, ibikoresho bya magneti, cyangwa ibyuma byerekana ibimenyetso.
Gerageza kunyura kumurongo wihuta wihuta kumurongo hejuru no hepfo hamwe nubutaka bwuzuye. Ntabwo byemewe guhuza imirongo kumurongo wimbere.
Komeza intera kuva kwihuta kwihuta kugera kumpera yubutaka burenga 90mil.
Witondere imikorere ya sock na connexion wiring.
Ubugari bwa kopi yubugari, umwanya, nuburyo bugomba kugenzurwa neza kugirango bihuze agaciro gakomeye.
Ibizamini bya TDR mubisanzwe birakenewe mugihe PCBs yihuta.
Ubwoko bwibikoresho bikwiye guhitamo kugirango bihuze imirimo wifuza.
Kurangiza neza birakenewe kuri PCBs yihuta, kandi burigihe turagira inama ENIG yo kuvura ubuso bwa ENEPIG.
Ni ikihe gipimo ntarengwa cyo kohereza amakuru cyagerwaho kuri PCB yihuta?
Igipimo ntarengwa cyo kohereza amakuru kugerwaho kuri PCB yihuta cyane ni 10.0GPs (Gigabits ku isegonda) kugeza ubu, ariko ibi biragenda neza.
Haba hari ibikoresho bidasanzwe cyangwa inzira zisabwa mugihe utegura PCB yihuta?
Hano harakenewe ibikoresho bya software bya PCB hamwe nibikoresho bya simusiga bya EDA bikoreshwa mugushushanya PCB yihuta nka Cadence, Mentor, PADS, Altium, HyperLynx, HFSS, ADS, nibindi.
Birakwiye ko tumenya ko igikoresho kimwe cya software gishobora kuba kibereye umushinga umwe wa PCB, mugihe ikindi gikoresho cya software gishobora gukoreshwa neza mubindi bikorwa byimishinga. Kubwibyo, ni ngombwa cyane kubona ibikoresho bya software bya PCB bikwiye.
Nibihe shingiro byingenzi nabatanga ibikoresho byihuse PCB?
Ibikoresho byihuta birashobora kuba FR4, ceramic, PTFE cyangwa PTFE ibikoresho bishimangira hamwe na 1 Ghz kugeza 100 Ghz. Hariho ibintu byinshi bizwi cyane bitanga ibikoresho bya PCB nka: Rogers, ISOLA, Ventec, ITEQ, TUC, SHENGYI, Panasonic, Taconic, nibindi.