Francescaromana MARADEI†a) , Spartaco CANIGGIA † †b) , Nicola INVERARDI † † †c) , and Mario ROTIGNI † † † †d) , Nonmembers SUMMARY This paper provides an investigation of power distribution network (PDN) performance by a full-wave prediction tool and by experimental measurements. A set of six real boards characterized by increasing complexity is considered in order to establish a solid base for behaviour understanding of printed circuit boards. How the growing complexity impacts on the board performance is investigated by measurements and by simulations. Strengths and weakness of PDN modeling by the full-wave software tool Microwave Studio are highlighted and discussed.