高速pcb布局的实际指南.pdf

文档介绍：ground,analog,digital,andRF);whichsignalsneedtobeoneachAPracticalGuidetoHigh-Speedlayer;ponentsneedtobelocated;ponents;whichtracesarecritical;whichPrinted-Circuit-BoardLayoutlinesneedtobecontrolled-impedancelines;whichlinesneedtoByJohnArdizzoni[@]ponentsizes;whichtracesneedtokeptawayfrom(ornear)eachother;whichcircuitsneedtobekeptawayDespiteitscriticalnatureinhigh-speedcircuitry,printed-circuit-from(ornear)eachother;ponentsneedtobecloseto(orboard(PCB)layoutisoftenoneofthelaststepsinthedesignawayfrom)eachother;-speedPCBlayout;’—toolittle,yes;toomuch,-:About10yearsagoIdesignedatheyneedtoaddresswhendesigningboardlayoutsforhigh-speedmultilayersurface-mountedboard—-(anbecoveredindetailinthespaceavailablehere,butwestringentvibrationspec).Biasfeed--,reducingdesigntime,andminimizingtime-plicated