The Laboratory for the Processing of Analog and Digital Signals (PADS) is installed at room H-320 of the Center of Technology of the Federal University of Rio de Janeiro (UFRJ), at Ilha do Fundão, Rio de Janeiro, RJ, Brazil, and is part of the Eletrical Engineering Program of COPPE/UFRJ. Research has been developed in several areas of analog and digital signal processing, including integrated circuits, image processing and IF communications circuits.