Power level-dependent dual-operating mode LDMOS power amplifier for CDMA wireless base-station applicationsIEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOL. 53, NO. 2, FEBRUARY 2005 739 Power Level-Dependent Dual-Operating Mode LDMOS Power Amplier for CDMA Wireless Base-Station Applications Younkyu Chung, Member, IEEE, Jinseong Jeong, Yuanxun Wang, Member, IEEE, Dal Ahn, Senior Member, IEEE, and Tatsuo Itoh, Fellow, IEEE Abstract―The design and analysis of a dual-operating mode laterally diffused metal……