6 Layeri FR4 ENIG Igenzura Impedance PCB
Igishushanyo mbonera cya PCB
1.Mu nzira ya PCB LAYOUT, tekereza kubintu byibanze bisabwa kugirango ugenzure inzitizi ni: ubugari bwumurongo, intera yumurongo, uburebure bwumurongo, umurongo wikingira ukingira umurongo, ukurikije ibyo bisabwa bizashyirwa mumwanya ukwiye wumurongo wimbogamizi .
2. Ikingira ryikingira ryibanze rihitamo umurongo ujyanye nigice aho umurongo wa impedance uherereye.Imyanya ijyanye n'umurongo wa impedance ni urupapuro rwumuringa rwuzuye, kugirango tumenye neza ko gutandukana kwagaciro kangana kugenzurwa.Mubikorwa nyabyo, ukurikije igishushanyo cya LAYOUT, urupapuro rwumuringa wegereye umurongo wa impedance rwatoranijwe nkurwego rwerekana.Niba nta rupapuro rwumuringa rufite umwanya uhuye, impedance ntishobora kugenzurwa.Niba urupapuro rwumuringa rudashobora gukingira byimazeyo umurongo wa impedance, gutandukana kwa impedance ntigenzurwa.
3, Ikwirakwizwa ryumurongo wa impedance kwitabwaho bidasanzwe: ibiranga impedance ni umurongo umwe gusa, ukeneye gusa gusuzuma ubugari bwumurongo nuburebure bwumurongo.Inzitizi zinyuranye zigomba kuba zigizwe nimirongo ibiri yubugari bwumurongo umwe ugereranije rwose.Coplanar impedance ni imikoranire hagati yumurongo n'umuringa wubutaka, bityo ubugari bwumurongo bugomba kuba bumwe, impande zombi zumurongo zizengurutswe numuringa wubutaka, kandi intera kuva kumurongo kugera kumuringa wubutaka ni kimwe rwose kuva gutangira kurangira.
Kugenzura Impedance Niki kuri PCB Ikoreshwa?
Kugenzura inzitizi ihitamo iyo ikimenyetso kigomba kugira inzitizi runaka yo gukora neza.Mubisabwa byinshyi nyinshi, inzitizi zihoraho zigomba kubungabungwa muburyo bwose kugirango hamenyekane ubusugire bwamakuru yatanzwe kandi byumvikane neza.Umwanya muremure wuyobora cyangwa urwego rwinshi, niko bisabwa guhinduka.Kubura gukomera kururu rwego birashobora kongera igihe cyo guhinduranya ibikoresho bya elegitoroniki cyangwa umuzunguruko kandi biganisha ku makosa atunguranye.
Impedance itagenzuwe biragoye kubisesengura nyuma yibigize byegeranijwe kumuzunguruko.Ibigize bifite kwihanganira bitandukanye bitewe na byinshi.Byongeye kandi, ibiranga bishobora guterwa nihindagurika ryubushyuhe, rishobora gukurura imikorere mibi.Muri iki kibazo, gusimbuza ibice bisa nkibisubizo, ariko mubyukuri ni inzitizi idahagije yinsinga ziyobora nicyo kibazo.
Kubwibyo, igishushanyo cya PCB kigomba kugenzura imiyoboro ya wiring impedance hamwe no kwihanganira hakiri kare kugirango harebwe niba indangagaciro zujuje ibisabwa.
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