Abstract: “Everywhere in daily life, there are frequencies of sound and electromagnetic waves, constantly changing and creating the features of the visible and audible world familiar to everyone. The electromagnetic spectrum has wide number of frequency range. Among them only visible range is easily seen by human eyes. But there is a wide frequency range that cannot be seen by human eyes but still they have much important in their various application. To measure the frequency of such invisible spectrum is”

Keywords: Mixer, Filterbank, Detector, GENESYS