Acknowledgments due to - Geoffrey Coram (Analog Devices Inc.) - Colin McAndrew (Freescale) - Rob Jones (IBM) - Marjan Driessen, Teresa Cruz Ravelo (NXP Semiconductors) - Rick Poore (Agilent) - Doug Weiser (Texas Instruments Inc.) - Paul Humphries (Analog Devices Inc.) - Jos Dohmen (NXP Semiconductors) Delft University, June 2009, - RvdT. Hsien-Chang Wu, Kuntal Joardar, Keith Green (Texas Instruments Inc.) Delft University, June 2011, - RvdT.