A cikin PCB Designing, layout yana taka rawa sosai a cikin ƙirar duka da aikace-aikacen samfurin. Kowane matakin ƙira yana buƙatar kyakkyawan kulawa da la'akari don samun kyakkyawan aiki.
Wayar dama da ta dace gaba ɗaya ana buƙatar magance yanayin da zai buƙaci a cikin wiron wirging, kuma ya kusan zama ɗaya daga cikin ƙa'idodin auna. To Tashi nawa tasirin da ke tattare da dama suka yi da watsawar sigina?
Na biyu, farashin ya bambanta saboda hanyoyin samarwa daban-daban.
Sakamakon samar da abubuwa daban-daban na samar da sakamako daban daban. Kamar katako na zinare da kan katako mai zinare, siffar motsi da kuma layin siliki layin da kuma layin fim ɗin zai samar da farashi daban-daban, wanda ya haifar da bambancin kuɗi.
A cikin manufa, allo na kusurwa na kusurwa zasu canza layin layin watsa hankali na layin watsa hankali, wanda ya haifar da watsi da rashin daidaituwa. A zahiri, ba kawai alamun kusurwa na kusurwa ba ne, har ma da kaifi-kusurwa na iya haifar da canje-canje na rashin daidaituwa.
Tasirin ƙimar kusurwa ta dama akan siginar galibi a cikin fannoni uku: na farko, kusurwa na iya zama daidai da nauyin watsawa a layin watsa hankali; Na biyu, matsalar da ba ta dace ba zata haifar da alamun sigina;
Na ukun shine EMI EMI ta hanyar da ta kusurwa dama. Za'a iya lissafin kyamarar parasitic ta hanyar watsawa na watsawa: C = 61W (Yana nufin adadin kusurwa (naúrar: pf),
W yana nufin nisa daga cikin Trace (Unit: Inch), εs yana nufin halayyar allurai na matsakaici, kuma Z0 ita ce halayyar hanyar watsa.
A matsayin layin nisa na halaye na kusurwa ya karu, da aka rage, wanda aka rage, don haka wani sabon salon alama zai faru. Zamu iya yin lissafin kwatankwacin daidai bayan layin layin ya karu gwargwadon tsarin lissafin da aka ambata wanda aka ambata a cikin babi na transisation.
Bayan haka lissafin daidaitaccen tunani gwargwadon tsarin da aka tsara: ρ = (z0-z0) / (Zs-z0) / (zs + Z0). Gabaɗaya, canji na canjin da aka haifar ta kusurwa dama yana tsakanin kashi 7% da 20%, don haka matsakaicin tunani shine kusan 0.1. Shenzhen Anke PCB Co., Ltd
Lokaci: Jun-25-2022
