MWSCAS'06 proceedings of the 2006 49th Midwest Symposium on Circuits and Systems : August 6-9, 2006, San Juan, Puerto Rico / edited by Gladys O. Ducoudray Acevedo, Rogelio Palomera Garcia, Manuel Jimenez Cedeno ; sponsored by IEEE Circuits and Systems Society, University of Puerto Rico, Mayaguez. - Acevedo, Gladys O. Ducoudray; Garcia, Rogelio Palomera; Cedeno, Manuel Jimenez (IEEE, 2006)