4 Layer FR4 OSP Impedance Control PCB
Hunhu Impedance Kudzora PCB
Hunhu husina kukanganiswa kwemutyairi paPCB indekisi yakakosha yedhizaini dhizaini, kunyanya muPCB dhizaini yeakakwira frequency redunhu, isu tinofanirwa kufunga kana hunhu hwemuitisi hunoenderana nehunhu hunodiwa nemudziyo kana chiratidzo.
PCB Impedance Matching
MuPCB, kana paine chiratidzo chekufambisa, inotarisirwa kubva kumagumo ekutumira emagetsi, kana iri shoma yekurasikirwa kwesimba, inogona kufambiswa zvakanaka kusvika kumagumo ekugamuchira, uye kuguma kwekugamuchira kuchanyudzwa zvachose. pasina kufungisisa.Kuti uwane kutapurirana uku, iyo impedance mumutsara inofanirwa kuenzana neiyo impedance mukati memagumo ekutanga kuti inzi impedance matching.Impedance yekufananidza ndechimwe chezvinhu zvekugadzira paunenge uchigadzira yakakwira PCB wedunhu.Iyo impedance kukosha inoenderana zvachose neiyo routing modhi.
Semuenzaniso, kunyangwe iwe uchifamba pamusoro pedenga (Microstrip) kana yemukati layer (Stripline/Double Stripline), chinhambwe kubva pareferensi simba rekuisa kana layer, hupamhi hwenzira, PCB zvinhu, nezvimwewo, zvese zvinokanganisa hunhu hwekukanganisa kukosha kweiyo nzira.Kureva kuti, iyo impedance kukosha inogona kungotemwa mushure mekuita wiring, uye hunhu impedance inogadzirwa neakasiyana PCB vagadziri zvakare inosiyana zvishoma.Kazhinji, iyo simulation software haizokwanise kufunga nezve imwe impedance discontinuous wiring nekuda kwekuganhurwa kweiyo mutsara modhi kana masvomhu algorithm inoshandiswa.
Panguva ino, mamwe maTemninators chete anogona kuchengetwa padhizaini yedhizaini, senge nhevedzano kuramba, kudzikamisa mhedzisiro yeiyo wiring impedance.Iyo chaiyo yakakosha mhinduro kudambudziko ndeyekuedza kudzivirira kuitika kwe impedance discontinuity kana wiring.