在PCB板布線中，電源線和地線的處理是十分重要的，要把電源線和地線所產生的噪音干擾降到最低限度，以保證產品的質量。

　　PCB電源線和信號線的區別：

　　信號(hao)線(xian)(xian)主要是指(zhi)在電(dian)(dian)(dian)氣控制電(dian)(dian)(dian)路(lu)中用(yong)(yong)于傳(chuan)遞傳(chuan)感信息與控制信息的(de)(de)線(xian)(xian)路(lu)。信號(hao)線(xian)(xian)往(wang)往(wang)以多(duo)條電(dian)(dian)(dian)纜線(xian)(xian)構成為一束(shu)或(huo)多(duo)束(shu)傳(chuan)輸線(xian)(xian)，也可以是排列在印(yin)制板(ban)電(dian)(dian)(dian)路(lu)中的(de)(de)印(yin)制線(xian)(xian)，隨著科技與應用(yong)(yong)的(de)(de)不斷進步，信號(hao)線(xian)(xian)已由金(jin)屬載體發展為其它(ta)載體，如光(guang)纜等。不同用(yong)(yong)途(tu)的(de)(de)信號(hao)線(xian)(xian)往(wang)往(wang)有不同的(de)(de)行業標準(zhun)，以便(bian)于規范化生產與應用(yong)(yong)。

　　電(dian)(dian)(dian)(dian)源(yuan)線(xian)是(shi)(shi)傳(chuan)(chuan)輸(shu)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)的電(dian)(dian)(dian)(dian)線(xian)。通常電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)傳(chuan)(chuan)輸(shu)的方式是(shi)(shi)點對點傳(chuan)(chuan)輸(shu)。電(dian)(dian)(dian)(dian)源(yuan)線(xian)按照用途可以分(fen)為AC交流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)源(yuan)線(xian)及DC直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)源(yuan)線(xian)，通常AC電(dian)(dian)(dian)(dian)源(yuan)線(xian)是(shi)(shi)通過電(dian)(dian)(dian)(dian)壓(ya)(ya)較(jiao)高的交流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)的線(xian)材(cai)，這類線(xian)材(cai)由于電(dian)(dian)(dian)(dian)壓(ya)(ya)較(jiao)高需要統一標準獲得安(an)全認(ren)證(zheng)方可以正式生產。而DC線(xian)基本是(shi)(shi)通過電(dian)(dian)(dian)(dian)壓(ya)(ya)較(jiao)低的直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)，因此在安(an)全上要求(qiu)并(bing)沒有AC線(xian)嚴(yan)格(ge)，但(dan)是(shi)(shi)安(an)全起(qi)見(jian)，各國還是(shi)(shi)要求(qiu)統一安(an)全認(ren)證(zheng)。

　　信號(hao)線(xian)和電(dian)源(yuan)(yuan)線(xian)最大的(de)區(qu)別(bie)就是(shi)信號(hao)線(xian)傳輸模擬信號(hao)或是(shi)數字(zi)信號(hao)，電(dian)源(yuan)(yuan)線(xian)用來傳輸電(dian)流。

　　信(xin)(xin)號(hao)(hao)線(xian)是指(zhi)傳輸數據的(de)線(xian)路，電(dian)(dian)(dian)源(yuan)(yuan)線(xian)是指(zhi)提供電(dian)(dian)(dian)源(yuan)(yuan)的(de)電(dian)(dian)(dian)路。信(xin)(xin)號(hao)(hao)線(xian)里其實也跑的(de)是電(dian)(dian)(dian)信(xin)(xin)號(hao)(hao)，只不過是有(you)規律地、經過編排的(de)、帶有(you)信(xin)(xin)息(xi)的(de)電(dian)(dian)(dian)信(xin)(xin)號(hao)(hao)。電(dian)(dian)(dian)源(yuan)(yuan)線(xian)里只承(cheng)載固定(ding)電(dian)(dian)(dian)壓值的(de)直流電(dian)(dian)(dian)流。

　　以上就(jiu)是小編整理的(de)關于“pcb電源線和信(xin)號線有(you)什么區別”，希望對大家有(you)所幫(bang)助，如(ru)還有(you)不清楚的(de)地方，請(qing)聯系我司(si)客服(fu)為您解答。