Aleksandar Tasic: Qualcomm Incorporated, San Diego, California, USA, atasic@qualcomm.com Wouter A. Serdijn: Department of Microelectronics, Electronics Research Laboratory, Delft University of Technology, Delft, the Netherlands, w.a.serdijn@tudelft.nl Lawrence E. Larson: Radio Frequency Integrated Circuits Group University of California San Diego, La Jolla, CA, USA, larson@ece.ucsd.edu Gianluca Setti: Department of Engineering (ENDIF), University of Ferrara Advanced Research Center on Electronic Systems (ARCES), University of Bologna, gianluca.setti@unife.it