Efficiency Enhanced Amplifier Using a Digitally-Controlled Dynamic Bias Switching Circuit May 14, 2013 Hyungchul Kim, Hanjin Cho, Min-Su Kim, Mincheol Seo, Junghyun Ham, Cheon-Seok Park and Youngoo Yang, Sungkyunkwan University, Yao Xi, Samsung Electronics, and Sungchan Jung, Samsung Techwin 0 Comments