The design of low noise digital filters with controlled dynamic range
E. Bonsaver, Jacques Szczupak, Sanjit K. Mitra · International Journal of Circuit Theory and Applications · 1980
Abstract A novel digital filter structure, that allows proper positioning of the zeros of the noise transfer functions to reduce the output roundoff noise, is introduced. Relations between zero locations, roundoff noise and dynamic range are derived and are then utilized in an heuristic optimization method for synthesizing a low noise scaled digital filter structure. Illustrative examples supporting the proposed approach are included.