K. Maemura

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

Kazuya Yamamoto, K. Maemura, N. Andoh et al. · IEEE Journal of Solid-State Circuits · 1993 · 28 citations

Wireless Communications, Electrical Engineering, Modulation +15

A CDMA InGaP/GaAs-HBT MMIC Power Amplifier Module Operating With a Low Reference Voltage of 2.4 V

Kazuya Yamamoto, Takao Moriwaki, Hiroyuki Otsuka et al. · IEEE Journal of Solid-State Circuits · 2007 · 19 citations

Low-power Electronics, Electrical Engineering, Engineering +10

An ultra-broadband GaAs MESFET preamplifier IC for a 10 Gb/s optical communication system

M. Miyashita, K. Maemura, Kazuya Yamamoto et al. · IEEE Transactions on Microwave Theory and Techniques · 1992 · 16 citations

Photonics, Electrical Engineering, Engineering +13

A GaAs RF transceiver IC for 1.9 GHz digital mobile communication systems

K. Yamamoto, K. Maemura, Yasumi Ohta et al. · 2002 · 13 citations

Electrical Engineering, Negative Voltage Generator, Engineering +11

A single-chip GaAs RF transceiver for 1.9-GHz digital mobile communication systems

Kazuya Yamamoto, K. Maemura, N. Kasai et al. · IEEE Journal of Solid-State Circuits · 1996 · 13 citations

Low-power Electronics, Electrical Engineering, Negative Voltage Generator +12