01
Layin Power

Kabilin dijital sau da yawa suna buƙatar dakatar da ramuka, don haka ana samar da allurar unrush don wasu manyan na'urori masu sauri.

Idan alamar wutar lantarki tana da tsayi sosai, kasancewar Instruh na yanzu zai haifar da amo mai yawa, kuma za a gabatar da wannan babban-mitar mitoci a cikin wasu alamu. A cikin manyan da'irori, babu makawa a ciki, juriya na parasitic zai haifar da iyawar da aka rage na yanzu, wanda kuma zai iya hana wani yanki na karuwa, wanda zai iya kashe da'irar.

Sabili da haka, yana da mahimmanci musamman don ƙara keɓaɓɓiyar hanya a gaban na'urar dijital. Mafi girman karfin, makamashi mai watsa yana iyakance ta hanyar watsa, don haka galibi yana iya haɗuwa da ƙaramin ƙarfi don saduwa da cikakken yawan mitar.

Guji wuraren zafi: siginar sigina zai haifar da voids akan wutar lantarki da kasan Layer. Saboda haka, sanya wuri na Vias yana iya ƙara yawan adadin na yanzu a wasu bangarorin wutar lantarki ko jirgin sama ƙasa. Wadannan wuraren da ake kiran halayen na yanzu na yanzu.

Sabili da haka, dole ne muyi iya ƙoƙarinmu don guje wa wannan yanayin yayin saita waƙoƙin, don hana jirgin sama daga tsage, wanda zai haifar da matsalolin EMC.

Yawancin lokaci hanya mafi kyau don kauce wa ruwan zafi mai zafi shine sanya Vias a cikin hauhawar ƙasa, kuma ba za a ware jiragen sama da yawa ba, kuma matsalolin komputa ba zai faru ba.

02
Hanyar liyafa ta ganowa

A lokacin da shimfiɗa layin sigina mai sauri-sauri, guji layuka layin siginar kamar yadda zai yiwu. Idan dole ne ka tanƙwara alamar, kada ka bincika shi a wani m kusurwa ko kusurwar dama, amma a maimakon amfani da kusurwar obtuse.

A lokacin da sanya layin sigina mai sauri-sauri, yawanci muna amfani da layin mara kyau don cimma daidai. Wannan layin Serucentine ɗaya ne ainihin lanƙwasa. Dole ne layin nisa, koma baya, dole ne a zabi hanyar tanadi mai ma'ana, kuma karancin karawa yakamata su cika dokar 4w / 1.5W.

03
Siginar siginar

Idan nisa tsakanin layin sigina mai sauri ya kusa kusa, yana da sauƙi don samar da crosstalk. Wani lokaci, saboda layout, girman firam ɗin da sauran dalilai, nisa tsakanin layin alamun alamun da ya fi ƙarfin nisan nisan da ake buƙata gwargwadon yiwuwar layin da muke da yawa kamar yadda zai yiwu kusa da layin alama. nesa.

A zahiri, idan sarari ya isa, yi ƙoƙarin ƙara nesa tsakanin layin sigina biyu masu girma.

03
Siginar siginar

Idan nisa tsakanin layin sigina mai sauri ya kusa kusa, yana da sauƙi don samar da crosstalk. Wani lokaci, saboda layout, girman firam ɗin da sauran dalilai, nisa tsakanin layin alamun alamun da ya fi ƙarfin nisan nisan da ake buƙata gwargwadon yiwuwar layin da muke da yawa kamar yadda zai yiwu kusa da layin alama. nesa.

A zahiri, idan sarari ya isa, yi ƙoƙarin ƙara nesa tsakanin layin sigina biyu masu girma.

05
Ba a ci gaba ba

Darajojin mara kyau na gano wuri gabaɗaya ya dogara da layin ta da nisa tsakanin alamar da jirgin da aka yi. Mafi girman ganowa, kasan impppeance. A wasu tashoshin dubawa da kuma shingen na'urar, ana amfani da mizani.

Lokacin da aka haɗa kushin kalmar sirri zuwa layin sigina mai sauri, idan kunshin yana da girma musamman a wannan lokacin, da kuma layin sigina mai girma yana da ƙarami, kuma kunkuntar babban abin da yake da girma, kuma mai kunkuntar babban takalmin ya zama babba. A wannan yanayin, matsalar da aka bayar na nuna rashin daidaituwa zai faru, da kuma nuna sigina zai faru idan ba a dakatar da rashin daidaituwa ba.

Saboda haka, don magance wannan matsalar, an sanya takardar jan ƙarfe, an sanya wani murfin murfin dubawa ko na'urar, da kuma jirgin da ake kira an sanya murfin a wani Layer don ƙara haɓakar don yin m don yin m don ci gaba.

Vias wata hanya ce ta rashin daidaituwa game da abubuwan da ba ta dace ba. Don rage wannan tasirin, fata ba lallai ba a haɗa shi da zaren da ke ciki da kuma ta hanyar Via ta kamata a cire.

A zahiri, irin wannan aikin za a iya kawar da kayan aikin CAD yayin ƙira ko tuntuɓi mai ƙirar aikin PCB don kawar da ƙirar da ba dole ba.

Vias wata hanya ce ta rashin daidaituwa game da abubuwan da ba ta dace ba. Don rage wannan tasirin, fata ba lallai ba a haɗa shi da zaren da ke ciki da kuma ta hanyar Via ta kamata a cire.

A zahiri, irin wannan aikin za a iya kawar da kayan aikin CAD yayin ƙira ko tuntuɓi mai ƙirar aikin PCB don kawar da ƙirar da ba dole ba.

Haramun ne a shirya vasas ko abubuwan haɗin a cikin bambancin daban-daban. Idan aka sanya Vias ko aka sanya abubuwa a cikin bambance-bambancen biyu, matsalolin EMC zasu faru da kuma dakatar da abubuwan da aka haramta kuma zasu iya haifar.

Wasu lokuta, wasu hanyoyin siginar siginar da ke buƙatar haɗi suna buƙatar haɗa su a cikin jerin tare da masu ɗaukar nauyi. Hakanan ana buƙatar shirya symmetorically, da kunshin caplingar capacing kada ya yi yawa. An ba da shawarar yin amfani da 0402, 0603 kuma masu ɗaukar hoto sama da 0805 ko masu ɗaukar hoto na gefe-gefe sun fi dacewa ba za a yi amfani da su ba.

Yawancin lokaci, ta hanyar ba za ta haifar da cikakkun abubuwan da aka ɓoye ba, don haka don nau'in layin alama mai sauri, don rage wa'azi, kuma idan kuna son amfani da Vias, kuma kuna son amfani da Vias, shirya su daidaito.

07
Daidai tsayi

A wasu masu musayar sigina masu sauri, gaba ɗaya, kamar bas, da lokaci da lokaci da lokaci na lang tsakanin layin siginar mutum yana buƙatar la'akari. Misali, a cikin rukunin manyan motoci masu saurin tafiya, zuwan duk layin siginar bayanan siginar dole ne a tabbatar da su a cikin wani kuskuren lokacin da aka yi don tabbatar da daidaito lokacin da lokacin rike. Domin biyan wannan bukatar, dole ne mu yi la'akari da daidai.

Dole layin sigogi mai girma daban-daban dole ne ya tabbatar da tsayayyen lokaci don layin siginar biyu, in ba haka ba za a iya samun sadarwa. Sabili da haka, don saduwa da wannan buƙatu, za a iya amfani da layin Serpacine don samun tsayi daidai, don haka ya sadu da LAG LAG.

Dole ne a sanya layin Serpentine duka a cikin tushen asarar tsawon, ba a ƙarshen nesa ba. Sai kawai a tushe zai iya alamun alamun tabbaci da kuma mummunan tasirin layin da yawa a yawancin lokaci.

Dole ne a sanya layin Serpentine duka a cikin tushen asarar tsawon, ba a ƙarshen nesa ba. Sai kawai a tushe zai iya alamun alamun tabbaci da kuma mummunan tasirin layin da yawa a yawancin lokaci.

Idan akwai fasaho biyu waɗanda suke lanƙwasa da nisan tsakanin su biyun ƙasa da 15mm ne, asarar tsawonsu, don haka babu buƙatar yin daidaiton tsayi a wannan lokacin.

Don sassa daban-daban na layin siginar ruwa mai sauri, ya kamata su kasance daidai da daidai. Vias, jerin masu ɗaukar hoto, da tashoshin dubawa sune layin sigina na sauri iri daban-daban, don haka ku kula na musamman a wannan lokacin.

Dole ne yayi daidai da haka. Saboda software mai yawa na EEDA kawai yana kula da ko dukkanin wiring da aka rasa a DRC.

Don musayar abubuwa kamar na'urorin nuni na Lvds, za a sami nau'i-nau'i na daban-daban a lokaci guda, da kuma buƙatun lokacin jinkirin nau'i-nau'i ne, kuma bukatun jinkirin smorth ne musamman. Sabili da haka, don irin waɗannan nau'ikan sigina na dabam, gabaɗaya muna buƙatar su kasance cikin jirgin guda ɗaya. Yi diyya. Saboda saurin watsa sigina na yadudduka daban-daban.

Lokacin da wasu software ɗin EDA ke lissafa tsayin daka, an gano alama a cikin hanyoyin da za a lasafta a cikin tsawon. Idan ana yin biyan diyya a wannan lokacin, ainihin sakamako zai rasa tsawon. Don haka biya kulawa ta musamman a wannan lokacin lokacin amfani da wasu software na EDA.

A kowane lokaci, idan zaka iya, dole ne ka zabi wani yanki mai ma'ana don guje wa bukatar ƙarshe yi jerin abubuwan da suke daidai.

Idan sararin samaniya ya ba da izini, yi ƙoƙarin ƙara karamin madauki a cikin tushen gajerun layin don cimma sakamako, maimakon amfani da layin Serpeine don ramawa.