K. Fujii

A WCDMA Multiband Power Amplifier Module With Si-CMOS/GaAs-HBT Hybrid Power-Stage Configuration

Kazuya Yamamoto, Morishige Hieda, Fumimasa Kitabayashi, 2016, IEEE Transactions on Microwave Theory and Techniques.

Experimental Study on CDMA GaAs HBT MMIC Power Amplifier Layout Design for Reducing Turn-On Delay in Transient Response

Satoshi Suzuki, Tomoyuki Asada, Kazuya Yamamoto, 2017, IEICE Trans. Electron..

A 100 W S-band AlGaAs/GaAs hetero-structure FET for base stations of wireless personal communications

K. Fujii, N. Yoshida, S. Goto, 1998, GaAs IC Symposium. IEEE Gallium Arsenide Integrated Circuit Symposium. 20th Annual. Technical Digest 1998 (Cat. No.98CH36260).