Apparatus for splitting the frequency band of an input signal

For performing a separation input signal frequency content, wherein the device comprises multiple frequency splitting layer; each layer comprises the one or more frequency converter and down converter is the; a pair lower end of the transducer and down converter is used to receiving and behalf of the input bandwidth plurality of input signal output represent to the input bandwidth of the first plurality of output signal and representative input bandwidth lower part of the plurality of output signal, wherein the first part and second portion are arranged, and they represented the input bandwidth part is a.