An yi amfani da firikwacin matsin lamba don auna matsin lamba ta canza shi zuwa siginar lantarki. Wannan ƙa'idar aikinta galibi yana haifar da tushen matsin lamba na tsarin cikin firikwensin na firikwensin mai firikwensin, wanda ke haifar da canje-canje a cikin da'irar ciki. Ka'idar aiki ta matsakaiciyar firikwensin an bayyana daki-daki a ƙasa.

Tsarin tsari na firikwensin ya hada da shigar da shigarwar, da'irar sarrafawa da gidaje. Sensor shine babban kayan aikin matsin lamba, wanda yawanci silicon, Quartz, Karfe, da kuma matsayin jawo hankali zai lalace, da kuma matsayin jawo hankali zai lalace, da kuma matsayin jawo hankali yana da nakasassu ga girman matsin lamba.

Rashin daidaituwa na kayan shigowa zai haifar da canjin sigogi na lantarki kamar juriya da juriya da ke shigowa. Ana iya auna canje-canje a cikin waɗannan sigogi da da'irar sarrafawa, sakamakon siginar wutar lantarki wacce take daidai da girman matsin lamba. Canjin aiki na siginar siginar yawanci ya ƙunshi Amplifiers, masu tacewa, analog-zuwa-digo, tace da narkar da aiki mai rauni ta hanyar yin bincike da bincike.

Harsashin matsin lambar matsin lamba yawanci ana yin shi ne da bakin karfe, aluminum ido da sauran kayan, da kuma babban aikinta shine don da'awar shigar da kebul na shiga da lalacewa ta hanyar tsangwama da lalacewa daga yanayin waje. Harafi yawanci yana da ruwa ruwa, ƙura, juriya na lalata da sauran halaye don daidaitawa da nau'ikan mahalli masu aiki daban-daban.

A takaice, ka'idar aiki ta matsakaiciyar firikwensin na matsakaiciyar hanyar shigarwar na ciki zuwa matsi, wanda ke haifar da canji a cikin da'awar wutar lantarki, da fitowar ƙarshe na siginar lantarki daidai ne ga girman matsin lamba. Ana amfani da firikwacinister na matsin lamba cikin sarrafa kansa a masana'antu, kayan aikin likita, kayan aikin likita da sauran filayen, kayan aikin ba makawa ne a masana'antar masana'antu ta zamani.