Da zuwan zamanin bayanai, amfani da allunan pcb yana ƙaruwa sosai, kuma ci gaban allon pcb yana ƙara haɓaka.Kamar yadda aka tsara kayan aikin lantarki da yawa akan PCB, kutsewar wutar lantarki ta zama matsala da babu makawa.A cikin ƙira da aikace-aikacen allunan multilayer, dole ne a raba siginar siginar da ma'aunin wutar lantarki, don haka ƙira da tsari na tari yana da mahimmanci.Kyakkyawan tsari na ƙira na iya rage tasirin EMI da ƙetaren magana a cikin allunan multilayer.
Idan aka kwatanta da sauran allunan Layer Layer guda na yau da kullun, ƙirar alluna masu yawa suna ƙara siginar yadudduka, yadudduka na wayoyi, da shirya yadudduka masu zaman kansu da shimfidar ƙasa.Abubuwan fa'idodin allunan Layer da yawa suna nunawa a cikin samar da ingantaccen ƙarfin lantarki don juyar da siginar dijital, da ƙara ƙarfi a ko'ina ga kowane bangare a lokaci guda, yadda ya kamata rage tsangwama tsakanin sigina.
Ana amfani da wutar lantarki a cikin wani babban yanki na shimfiɗa tagulla da ƙasan ƙasa, wanda zai iya rage juriya na layin wutar lantarki da ƙasa, ta yadda wutar lantarki a kan wutar lantarki ya kasance mai ƙarfi, da halayen kowane layin sigina. za a iya ba da garanti, wanda ke da matukar fa'ida ga impedance da raguwar maganganu.A cikin zayyana manyan allunan kewayawa, an bayyana a sarari cewa ya kamata a yi amfani da fiye da kashi 60% na tsarin tarawa.Allolin Layer-Layer, halayen lantarki, da danne radiation na lantarki duk suna da fa'ida mara misaltuwa akan allunan ƙasan ƙasa.Dangane da farashi, gabaɗaya magana, yawan yadudduka, farashin yana da tsada, saboda farashin allon PCB yana da alaƙa da adadin layuka, da yawa a kowane yanki.Bayan rage yawan adadin yadudduka, za a rage yawan sararin samaniya, ta yadda za a kara yawan nau'in waya., har ma da biyan buƙatun ƙira ta hanyar rage girman layin da nisa.Waɗannan na iya ƙara farashi daidai.Yana yiwuwa a rage tarawa da rage farashin, amma yana sa aikin lantarki ya fi muni.Irin wannan ƙirar yawanci ba ta da amfani.
Duban wayoyi na microstrip na PCB akan ƙirar, Layer na ƙasa kuma ana iya ɗaukar shi azaman wani ɓangare na layin watsawa.Ana iya amfani da Layer na jan ƙarfe na ƙasa azaman hanyar madauki na sigina.Jirgin wutar lantarki yana haɗe da jirgin ƙasa ta hanyar capacitor mai cirewa, a cikin yanayin AC.Dukansu daidai suke.Bambanci tsakanin ƙananan mitar da manyan madaukai na yanzu shine wancan.A ƙananan mitoci, dawowar halin yanzu yana bin hanyar mafi ƙarancin juriya.A manyan mitoci, halin yanzu na dawowa yana kan hanyar mafi ƙarancin inductance.Komawa na yanzu, mai da hankali da rarraba kai tsaye a ƙasa da alamun sigina.
A cikin yanayin mita mai yawa, idan an shimfiɗa waya kai tsaye a kan Layer na ƙasa, ko da akwai ƙarin madaukai, dawowar yanzu zai dawo zuwa tushen siginar daga layin waya a ƙarƙashin hanyar da aka samo asali.Domin wannan hanya tana da mafi ƙarancin cikas.Irin wannan nau'in amfani da manyan haɗin gwiwa na capacitive don murkushe filin lantarki, da kuma mafi ƙarancin haɗin gwiwa don murkushe injin maganadisu don kula da ƙarancin amsawa, muna kiran shi garkuwar kai.
Ana iya gani daga dabarar cewa lokacin da halin yanzu ke gudana baya, nisa daga layin siginar ya saba daidai da yawa na yanzu.Wannan yana rage girman yankin madauki da inductance.A lokaci guda kuma, ana iya ƙarasa cewa idan nisa tsakanin layin siginar da madauki yana kusa, magudanar ruwa na biyu suna kama da girma da kuma akasin shugabanci.Kuma filin maganadisu da sararin samaniya ke samarwa zai iya zama diyya, don haka EMI na waje ma kadan ne.A cikin ƙirar tari, yana da kyau a sami kowace alamar sigina ta dace da maƙallan ƙasa na kusa.
A cikin matsalar tabarbarewar magana a kan layin ƙasa, maganganun da ake samu ta hanyar da'irar da'ira mai yawa ya samo asali ne ta hanyar haɗakarwa ta inductive.Daga tsarin madauki na yanzu na sama, ana iya ƙarasa da cewa madaukin madaukai da aka samar ta layin siginar guda biyu da ke kusa za su yi karo da juna.Don haka za a sami tsangwama na maganadisu.
K a cikin dabara yana da alaƙa da lokacin tashin sigina da tsayin layin siginar tsangwama.A cikin saitin tari, rage nisa tsakanin siginar siginar da layin ƙasa zai rage tsangwama daga ƙasan ƙasa yadda ya kamata.Lokacin ɗora jan ƙarfe akan layin samar da wutar lantarki da ƙasan ƙasa akan wayoyi na PCB, bangon rabuwa zai bayyana a wurin kwanciya tagulla idan ba ku kula ba.Yawan faruwar irin wannan matsala yana yiwuwa ne saboda yawan yawan ta ramuka, ko kuma tsarin da bai dace ba ta wurin keɓewa.Wannan yana rage jinkirin lokacin tashi kuma yana ƙara yankin madauki.Inductance yana ƙaruwa kuma yana haifar da maganganu da EMI.
Ya kamata mu yi iya ƙoƙarinmu don saita shugabannin kantuna biyu.Wannan yana la'akari da bukatun tsarin ma'auni a cikin tsari, saboda tsarin da ba daidai ba zai iya haifar da nakasar katako na pcb.Ga kowane siginar siginar, yana da kyau a sami birni na gari a matsayin tazara.Nisa tsakanin babban ƙarfin wutar lantarki da birnin jan ƙarfe yana da kyau ga kwanciyar hankali da raguwar EMI.A cikin ƙirar jirgi mai sauri, ana iya ƙara jiragen sama marasa ƙarfi don keɓanta jiragen sigina.
Lokacin aikawa: Maris 23-2023