Sagedusmuundur on sagedus-pingemuundur, mis võtab sisendsagedussignaali vastu ja teisendab selle analoogpinge väljundiks, mis on proportsionaalne selle sagedusega.
A frequency transducer, also called a frequency-to-voltage converter, is a sensor that takes in an input frequency signal and converts it to an analog voltage output proportional to that frequency.