Kazuya Yamamoto

A 1.9 GHz-band GaAs direct-quadrature modulator IC with a phase shifter

Kazuya Yamamoto, K. Maemura, Y. Mitsui, 1992 .

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.

A GSM900/1800 Dual-Band MMIC Power Amplifier Using-Outside-Base/Center-Via-Hole Layout Multi-finger HBT

K. Mori, Y. Ikeda, T. Takagi, 1999, 1999 29th European Microwave Conference.

0.8-/1.5-GHz-Band WCDMA HBT MMIC Power Amplifiers with an Analog Bias Control Scheme

Satoshi Suzuki, Kazuya Yamamoto, Hiroaki Seki, 2015, IEICE Trans. Electron..

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 New Broadband Buffer Circuit Technique and Its Application to a 10-Gbit/s Decision Circuit Using Production-Level 0.5 æm GaAs MESFETs

Kazuya Yamamoto, Etsuji Omura, Miyo Miyashita, 1998 .

Ku-Band 70-/30-W-Class Internally Matched GaN Power Amplifiers With Low IMD3 Over a Wide Offset Frequency Range of Up To 400 MHz

Kazuya Yamamoto, Hiroaki Maehara, Miyo Miyashita, 2021, IEEE Journal of Solid-State Circuits.