An integrated closed-loop polar transmitter with saturation prevention and low-IF receiver for quad-band GPRS/EDGE. - Rajasekhar Pullela; Shahrzad Tadjpour; Dmitriy Rozenblit; William Domino; Thomas Obkircher; Mohamed El Said; Bala Ramachandran; Tirdad Sowlati; Darioush Agahi; Wei-Hong Chen; Dean A. Badillo; Masoud Kahrizi; et al. (ISSCC, 2009)