Efficient and Linear Power Amplifier Based on Envelope Elimination and Restoration - Vasic, Miroslav; Garcia, Oscar; Angel Oliver, Jesus; Alou, Pedro; Diaz, Daniel; Antonio Cobos, Jose; Gimeno, Alejandro; Manuel Pardo, Jose; Benavente, Cesar; Javier Ortega, Francisco; (Ieee Transactions On Power Electronics, 2012)