is a Fellow of IEEE. Willy Sansen has received the MSc degree in Electrical Engineering from the Katholieke Universiteit Leuven in 1967 and the PhD degree in Electronics from the University of California, Berkeley in 1972. In 1969 he received a BAEF fellowship. In 1972 he was appointed by the National Fund of Scientific Research (Belgium) at the ESAT lab- oratory of the K.U.Leuven, where he has been a full professor since 1980. During the period 1984-1990 he was the head of the Electrical Engineering Department. Since 1984 he has headed the ESAT-MICAS laboratory on analog design, which counts about fifty members and which is for 75 % active in research projects with industry. He is a fellow of the IEEE and is a member of several boards of directors. In 1978 he was a visiting professor at Stanford University, in 1981 at the EPFL Lausanne, in 1985 at the University of Pennsylvania, Philadelphia and in 1994 at the T.H. Ulm. Prof.Sansen is a member of several editorial and program committees of journals and conferences. He CONTRIBUTING AUTHORS is cofounder and organizer of the workshops on Advances in Analog Circuit Design in Europe. He is a member of the executive and program committees of the IEEE ISSCC conference. He is program chair of the ISSCC-2002 conference. He has been involved in design automation and in numerous analogue integrated circuit designs for telecom, consumer electronics, medical applications and sensors. He has been supervisor of over forty PhD theses in these fields. He has authored and coauthored eleven books and more than 550 papers in international journals and conference proceedings. Contents Foreword Contributing Authors Contents Symbols and Abbreviations Introduction Structured analysis, a key to successful design 1.1.1 Electronics, a competitive market 1.1.2 Analog design: A potential bottleneck 1.1.3 Structured analog design 1.1.4 Structured analysis This work 1.2.1 Main contributions 1.2.2 Math, it's a language 1.3 Outline of this book 2 Modeling and analysis of telecom frontends: basi