Younkyu Chung and T. Itoh, “AlGaN/GaN HFET single-ended frequency doubler,” IEEE Topical Workshop on Power Amplifiers for Wireless Communications Dig., San Diego, CA, 2002. [download]

Younkyu Chung, C. Y. Hang, S. Cai, Y. Chen, W. Lee, C. P. Wen, K. L. Wang, and T. Itoh, “Effects of output harmonic termination on PAE and output power of AlGaN/GaN HEMT power amplifier,” IEEE Microwave and Wireless Compon. Lett., to be accepted, 2002.

Lei Liu, Christophe Caloz, and Tatsuo Itoh , "Dominant Mode (DM) Leaky wave Antenna with Backfire-to-Endfire Scanning Capability", accepted for publication in forthcoming issue of IEE Electronics Letters

Lei Liu, Christophe Caloz, Chin-Chang Chang, and Tatsuo Itoh , "Forward Coupling Phenomena between Artificial Left-Handed (LH) Transmission Lines", to appear in Nov.15 issue of JAP,2002

Younkyu Chung, C. Y. Hang, S. Cai, Y. Qian, C. P. Wen, K. L. Wang, and T. Itoh, , “Output harmonic termination techniques for AlGaN/GaN HEMT power amplifiers using active integrated antenna approach,” IEEE MTT-S Int. Microwave Symp. Dig., vol. 1, pp. 433-436, 2002. [download]

Younkyu Chung and T. Itoh, “A New architecture for AlGaN/GaN HEMT frequency doubler using active integrated antenna design approach,” Asian Pacific Microwave Conf., to be accepted, 2002. [download]