Tsarin fitilar mota -- madubin rarraba haske
Yana taka rawa wajen kare dukkan hada fitilar kai. Hasken da tushen hasken fitilar mota ya samar ta hanyar hasken yana da wuya a cika sharuɗɗan dokoki da ƙa'idoji na fitilar kai. Ana kuma buƙatar madubin rarraba haske ya canza, ya faɗaɗa ko ya rage hasken, don samar da hasken da ake buƙata a gaban abin hawa. Wannan aikin yana kammala ta hanyar madubin rarraba fitilar kai (gilashin fitilar kai). Gilashin fitilar kai ya ƙunshi ƙananan firikwensin da ba su daidaita ba. Yana iya karkatar da hasken da hasken ke nunawa don biyan buƙatun rarraba hasken fitilar kai. A lokaci guda, yana kuma watsa wani ɓangare na hasken zuwa ɓangarorin biyu, don faɗaɗa kewayon hasken fitilar kai a cikin alkiblar kwance da kuma samun tasirin rarraba hasken da ake so. Wasu fitilun kai na mota suna dogara ne kawai akan tsari na musamman, siffa mai rikitarwa da kuma ingantaccen sarrafa hasken don biyan buƙatun rarraba haske, amma ƙira, lissafi, daidaiton mutu da fasahar sarrafawa don samar da wannan nau'in hasken har yanzu yana da wahala.
Tasirin haske na haske ya dogara ne akan kusurwar haske zuwa wani mataki, kuma na'urar daidaita haske na iya ba da cikakken iko ga ƙarfinsa.
