Kazuya Yamamoto - researchr alias

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Viewing Publication 1 - 25 from 25

2022

ForewordKazuya Yamamoto. ieicetc, 105-C(10):419-420, October 2022. [doi]

2021

Ku-Band 70-/30-W-Class Internally Matched GaN Power Amplifiers With Low IMD3 Over a Wide Offset Frequency Range of Up To 400 MHzTakaaki Yoshioka, Kenji Harauchi, Takumi Sugitani, Hiroaki Maehara, Takashi Yamasaki, Hiroaki Ichinohe, Miyo Miyashita, Kazuya Yamamoto, Seiki Goto. jssc, 56(9):2635-2646, 2021. [doi]

2020

2018

Design and Measurements of Two-Gain-Mode GaAs-BiFET MMIC Power Amplifier Modules with Small Phase Discontinuity for WCDMA Data CommunicationsKazuya Yamamoto, Miyo Miyashita, Kenji Mukai, Shigeru Fujiwara, Satoshi Suzuki, Hiroaki Seki. ieicet, 101-C(1):65-77, 2018. [doi]

2017

Machine vision based soybean quality evaluationMomin M. Abdul, Kazuya Yamamoto, Munenori Miyamoto, Naoshi Kondo, Tony E. Grift. cea, 140:452-460, 2017. [doi]

Experimental Study on CDMA GaAs HBT MMIC Power Amplifier Layout Design for Reducing Turn-On Delay in Transient ResponseKazuya Yamamoto, Miyo Miyashita, Takayuki Matsuzuka, Tomoyuki Asada, Kazunobu Fujii, Satoshi Suzuki, Teruyuki Shimura, Hiroaki Seki. ieicet, 100-C(6):618-631, 2017. [doi]

2016

Design and Measurements of Building Blocks Supporting a 1.9-GHz-Band BiFET MMIC Power Amplifier for WCDMA HandsetsKazuya Yamamoto, Takayuki Matsuzuka, Miyo Miyashita, Kenichi Horiguchi, Shigeo Yamabe, Satoshi Suzuki, Hiroaki Seki. ieicet, 99-C(7):837-848, 2016. [doi]

2015

Mobilization, Flexibility of Identity, and Ethnic CleavageKazuya Yamamoto. jasss, 18(2), 2015. [doi]

0.8-/1.5-GHz-Band WCDMA HBT MMIC Power Amplifiers with an Analog Bias Control SchemeKazuya Yamamoto, Takayuki Matsuzuka, Miyo Miyashita, Kenichi Maeda, Satoshi Suzuki, Hiroaki Seki. ieicet, 98-C(9):934-945, 2015. [doi]

A Current-Mirror-Based GaAs-HBT RF Power Detector Suitable for Base Terminal Monitoring in an HBT Power StageKazuya Yamamoto, Hitoshi Kurusu, Miyo Miyashita, Satoshi Suzuki, Hiroaki Seki. ieicet, 98-C(12):1150-1160, 2015. [doi]

A 3.5-GHz-Band GaAs HBT Stage-Bypass-Type Step-Gain Amplifier Using Base-Collector Diode Switches and Its Application to a WiMAX HBT MMIC Power Amplifier ModuleKazuya Yamamoto, Miyo Miyashita, Hitoshi Kurusu, Yoshinobu Sasaki, Satoshi Suzuki, Hiroaki Seki. ieicet, 98-C(7):716-728, 2015. [doi]

2013

An LED-Based Spectral Imaging System for Surface Reflectance and Normal EstimationKeita Hirai, Tetsushi Tanimoto, Kazuya Yamamoto, Takahiko Horiuchi, Shoji Tominaga. sitis 2013: 441-447 [doi]

2009

A Double Image Acquisition System with Visible and UV LEDs for Citrus FruitMitsutaka Kurita, Naoshi Kondo, Hiroshi Shimizu, Peter Ling, Paolo D. Falzea, Tomoo Shiigi, Kazunori Ninomiya, Takahisa Nishizu, Kazuya Yamamoto. jrm, 21(4):533-540, 2009. [doi]

2007

A CDMA InGaP/GaAs-HBT MMIC Power Amplifier Module Operating With a Low Reference Voltage of 2.4 VKazuya Yamamoto, Takao Moriwaki, Hiroyuki Otsuka, Nobuyuki Ogawa, Kosei Maemura, Teruyuki Shimura. jssc, 42(6):1282-1290, 2007. [doi]

3.5-GHz-Band Low-Bias-Current Operation 0/20-dB Step Linearized Attenuators Using GaAs-HBT Compatible, AC-Coupled, Stack Type Base-Collector Diode Switch TopologyKazuya Yamamoto, Miyo Miyashita, Nobuyuki Ogawa, Takeshi Miura, Teruyuki Shimura. ieicet, 90-C(7):1515-1523, 2007. [doi]

2005

A GSM/EDGE Dual-Mode, Triple-Band InGaP HBT MMIC Power Amplifier ModuleTeruyuki Shimura, Tomoyuki Asada, Satoshi Suzuki, Takeshi Miura, Jun Otsuji, Ryo Hattori, Yukio Miyazaki, Kazuya Yamamoto, Akira Inoue. ieicet, 88-C(7):1495-1501, 2005. [doi]

A 1.8-V operation 5-GHz-band CMOS frequency doubler using current-reuse circuit design techniqueKazuya Yamamoto. jssc, 40(6):1288-1295, 2005. [doi]

2003

A 1.8-V operation RF CMOS transceiver for 2.4-GHz-band GFSK applicationsHiroshi Komurasaki, Tomohiro Sano, Tetsuya Heima, Kazuya Yamamoto, Hideyuki Wakada, Ikuo Yasui, Masayoshi Ono, Toshitsugu Miwa, Hisayasu Sato, Takahiro Miki, Naoyuki Kato. jssc, 38(5):817-825, 2003. [doi]

2002

2.4-GHz-Band CMOS RF Front-End Building Blocks at a 1.8-V SupplyHiroshi Komurasaki, Kazuya Yamamoto, Hideyuki Wakada, Tetsuya Heima, Akihiko Furukawa, Hisayasu Sato, Takahiro Miki, Naoyuki Kato, Akira Hyogo, Keitaro Sekine. ieiceta, 85-A(2):300-308, 2002. [doi]

2001

A 2.4-GHz-band 1.8-V operation single-chip Si-CMOS T/R-MMIC front-end with a low insertion loss switchKazuya Yamamoto, Tetsuya Heima, Akihiko Furukawa, Masayoshi Ono, Yasushi Hashizume, Hiroshi Komurasaki, Shigenobu Maeda, Hisayasu Sato, Naoyuki Kato. jssc, 36(8):1186-1197, 2001. [doi]

2000

A 3.2-V operation single-chip dual-band AlGaAs/GaAs HBT MMIC power amplifier with active feedback circuit techniqueKazuya Yamamoto, Satoshi Suzuki, Kazutomi Mori, Tomoyuki Asada, Toshio Okuda, Akira Inoue, Takeshi Miura, Kenichiro Chomei, Ryo Hattori, Masahide Yamanouchi, Teruyuki Shimura. jssc, 35(8):1109-1120, 2000. [doi]

1999

A 2.2-V operation, 2.4-GHz single-chip GaAs MMIC transceiver for wireless applicationsKazuya Yamamoto, Takao Moriwaki, Takayuki Fujii, Jun Otsuji, Miyo Miyashita, Yukio Miyazaki, Kazuo Nishitani. jssc, 34(4):502-512, 1999. [doi]

1998

Design and Experimental Results of a 2V-Operation Single-Chip GaAs T/R-MMIC Front-End for 1.9-GHz Personal CommunicationsKazuya Yamamoto, Takao Moriwaki, Yutaka Yoshii, Takayuki Fujii, Jun Otsuji, Yoshinobu Sasaki, Yukio Miyazaki, Kazuo Nishitani. aspdac 1998: 7-12

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