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Takayuki KATO

A Proposal for Adopting the Frequency Response of an Envelope Amplifier with Memoryless DPD EER PA Model Takayuki KATO Yoshinori KOGAMI Yuuki FUNAHASHI Atsushi YAMAOKA Keiichi YAMAGUCHI Yasuhiko TANABE Jiafeng ZHOU Kevin MORRIS Gavin T. WATKINS
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/07/01 Vol. E95-C No. 7 pp. 1163-1171 Type of Manuscript: Special Section PAPER (Special Section on Recent Trends of Microwave Systems and Their Fundamental Technologies) Category: Keyword: EER, power amplifier, memoryless DPD, envelope amplifier, frequency response,
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An HPSK/OFDM 64-QAM Dual-Mode Doherty Power Amplifier Module for Mobile Terminals Takayuki KATO Keiichi YAMAGUCHI Yasuhiko KURIYAMA Hiroshi YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/09/01 Vol. E90-C No. 9 pp. 1678-1684 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Active Devices/Circuits Keyword: Doherty amplifier, PA module, HPSK, OFDM 64-QAM, multi-mode, mobile terminal, GaAs MMIC,
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A 4-mm-Square Miniaturized Doherty Power Amplifier Module for W-CDMA Mobile Terminals Takayuki KATO Keiichi YAMAGUCHI Yasuhiko KURIYAMA Hiroshi YOSHIDA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/02/01 Vol. E90-A No. 2 pp. 310-316 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: Doherty amplifier, PA module, W-CDMA, mobile terminal, GaAs MMIC,
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Analyses on Monolithic InP HEMT Resistive Mixer Operating under Very Low LO Power Takuo KASHIWA Kazuya YAMAMOTO Takayuki KATOH Takao ISHIDA Takahide ISHIKAWA Yasuo MITSUI Yoshikazu NAKAYAMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/10/20 Vol. E82-C No. 10 pp. 1831-1838 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: resistive mixer, LO power, conversion loss, InP HEMT, conductance,
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Automated Millimeter-Wave On-Wafer Testing System Takayuki KATOH Takuo KASHIWA Hiroyuki HOSHI Akira INOUE Takahide ISHIKAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/07/20 Vol. E82-C No. 7 pp. 1312-1317 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology) Category: Measurements Keyword: millimeter wave, S-parameter, noise figure, MMIC, on-wafer measurement,
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A Q-Band High Gain, Low Noise Variable Gain Amplifier Using Dual Gate AlGaAs/InGaAs Pseudomorphic HEMTs Takuo KASHIWA Takayuki KATOH Naohito YOSHIDA Hiroyuki MINAMI Toshiaki KITANO Makio KOMARU Noriyuki TANINO Tadashi TAKAGI Osamu ISHIHARA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1996/04/20 Vol. E79-C No. 4 pp. 573-579 Type of Manuscript: PAPER Category: Semiconductor Materials and Devices Keyword: millimeter-wave, low noise figure, MMIC, dual gate, gain control,
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Millimeter-Wave Monolithic AlGaAs/InGaAs/GaAs Pseudomorphic HEMT Low Noise Amplifier Modules for Advanced Microwave Scanning Radiometer Kazuhiko NAKAHARA Yasushi ITOH Yoshie HORIIE Takeshi SAKURA Naohito YOSHIDA Takayuki KATOH Tadashi TAKAGI Yasuo MITSUI Yasuyuki ITO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1995/09/20 Vol. E78-C No. 9 pp. 1210-1215 Type of Manuscript: Special Section PAPER (Special Issue on Ultra-High-Speed Electron Devices) Category: Keyword: amplifier, low noise, MMIC, millimeter-wave, HEMT,
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A Super Low Noise AlInAs/InGaAs HEMT Fabricated by Selective Gate Recess Etching Naohito YOSHIDA Toshiaki KITANO Yoshitsugu YAMAMOTO Takayuki KATOH Hiroyuki MINAMI Takuo KASHIWA Takuji SONODA Hirozo TAKANO Osamu ISHIHARA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1995/09/20 Vol. E78-C No. 9 pp. 1279-1285 Type of Manuscript: PAPER Category: Semiconductor Materials and Devices Keyword: HEMT, AlInAs/InGaAs, InP, low-noise, selectiverecess,
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An Ultra Low Noise 50-GHz-Band Amplifier MMIC Using an AIGaAs/InGaAs Pseudomorphic HEMT Takuo KASHIWA Takayuki KATOH Naohito YOSHIDA Hiroyuki MINAMI Toshiaki KITANO Makio KOMARU Noriyuki TANINO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1995/03/20 Vol. E78-C No. 3 pp. 318-321 Type of Manuscript: LETTER Category: Electromagnetic Theory Keyword: millimeter-wave, low noise figure, MMIC, AlGaAs/InGaAs Pseudomorphic HEMT, modeling,
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