Ka'idar firikwensin matsa lamba ya dogara ne akan abubuwa daban-daban na ji da kuma

hanyoyin aikin su, irin su tasirin piezoelectric, ma'aunin damuwa, diaphragm da

ruwa shafi. Piezoelectric na'urori masu auna firikwensin suna yin amfani da kaddarorin piezoelectric

kayan da ke haifar da canji a caji ko ƙarfin lantarki lokacin da aka matsa lamba, da

tsoma matsa lamba ta hanyar auna wannan canji. Na'urori masu auna ma'auni sun dogara ne akan nau'in

halaye na karfe ko semiconductor kayan, da kuma lokacin da fuskantar matsa lamba, da

ma'aunin iri zai lalace, yana haifar da juriya ko ƙarfinsa don canzawa, ta haka aunawa

matsa lamba. Firikwensin diaphragm yana amfani da nakasar fim ɗin roba don auna

matsa lamba. Lokacin da fim ɗin ya fuskanci matsin lamba, yana lanƙwasa ko ya lalace, sannan ya samu

ƙimar matsa lamba ta hanyar auna canjin juriya ko ƙarfin aiki. Rukunin ruwa

firikwensin yana auna matsa lamba ta amfani da canjin tsayin ruwa lokacin da aka sa shi

don matsa lamba a cikin bututun, kuma tsayin ginshiƙin ruwa yana daidai da

matsa lamba. Waɗannan ka'idodin suna da aikace-aikace a cikin firikwensin matsa lamba, siginar matsa lamba shine

canza zuwa siginar lantarki ta hanyar sigina mai mahimmanci, da sarrafa siginar

Ana haɓaka da'ira, tacewa, da sauransu, kuma a ƙarshe ana fitarwa ta hanyar siginar analog ko dijital

don saduwa da buƙatun yanayin aikace-aikacen daban-daban.