T. Oka

Fully-integrated GaAs HBT power amplifier MMIC with high linear output power for 3 GHz-band broadband wireless applications

M. Hirata, T. Oka, M. Hasegawa, 2006 .

Technologies for High-Power and Low-Distortion GaAs HBT Power Amplifiers with 3.3-V Supply Used in Broadband Wireless Access

Hiroshi Kawamura, T. Oka, M. Hasegawa, 2007 .