IEICE Trans

Kazutomi MORI

S-to-X Band 360-Degree RF Phase Detector IC Consisting of Symmetrical Mixers and Tunable Low-Pass Filters Akihito HIRAI Kazutomi MORI Masaomi TSURU Mitsuhiro SHIMOZAWA
Publication: Publication Date: 2021/10/01 Vol. E104-C No. 10 pp. 559-567 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies) Category: Keyword: RF phase detector, symmetrical mixer, tunable low-pass filter, SiGe-BiCMOS integrated circuits,
	Summary \| Full Text:PDF(1.6MB)

A 0.3-to-5.5 GHz Digital Frequency Discriminator IC with Time to Digital Converter and Edge Counter for Instantaneous Frequency Measurement Akihito HIRAI Koji TSUTSUMI Hideyuki NAKAMIZO Eiji TANIGUCHI Kenichi TAJIMA Kazutomi MORI Masaomi TSURU Mitsuhiro SHIMOZAWA
Publication: Publication Date: 2019/07/01 Vol. E102-C No. 7 pp. 547-557 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies) Category: Keyword: digital frequency discriminator (DFD), instantaneous frequency measurement (IFM), time-to-digital converter (TDC), multiphase clock,
	Summary \| Full Text:PDF(2.4MB)

On-Chip Temperature Compensation Active Bias Circuit Having Tunable Temperature Slope for GaAs FET MMIC PA Shintaro SHINJO Kazutomi MORI Tomokazu OGOMI Yoshihiro TSUKAHARA Mitsuhiro SHIMOZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/10/01 Vol. E94-C No. 10 pp. 1498-1507 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Active Devices and Circuits Keyword: temperature compensation, MMIC power amplifiers, GaAs FET, threshold voltage,
	Summary \| Full Text:PDF(2.3MB)

Analog Pre-Distortion Linearizer Using Self Base Bias Controlled Amplifier Shintaro SHINJO Kazutomi MORI Keiki YAMADA Noriharu SUEMATSU Mitsuhiro SHIMOZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/07/01 Vol. E93-C No. 7 pp. 966-974 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies) Category: Keyword: distortion, envelope, linearizer, microwave, power amplifier, silicon,
	Summary \| Full Text:PDF(2.3MB)

A Low Quiescent Current CV/CC Parallel Operation HBT Power Amplifier for W-CDMA Terminals Shintaro SHINJO Kazutomi MORI Hiro-omi UEDA Akira OHTA Hiroaki SEKI Noriharu SUEMATSU Tadashi TAKAGI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/08/01 Vol. E86-C No. 8 pp. 1444-1450 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology) Category: Keyword: microwave, power amplifier, heterojunction bipolar transistor (HBT), inductor base feed, resistor base feed,
	Summary \| Full Text:PDF(1.6MB)

An L-Band High Efficiency and Low Distortion Multi-Stage Amplifier Using Self Phase Distortion Compensation Technique Yukio IKEDA Kazutomi MORI Shintaro SHINJO Fumimasa KITABAYASHI Akira OHTA Tadashi TAKAGI Osami ISHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/12/01 Vol. E85-C No. 12 pp. 1967-1972 Type of Manuscript: Special Section PAPER (Special Issue on Low-Distortion,High-Power,High-Efficiency Active Device and Circuit Technology) Category: Keyword: microwave, amplifier, transistor, PHEMT, distortion, efficiency,
	Summary \| Full Text:PDF(1.1MB)

Low Quiescent Current SiGe HBT Driver Amplifier Having Self Base Bias Control Circuit Shintaro SHINJO Kazutomi MORI Hiroyuki JOBA Noriharu SUEMATSU Tadashi TAKAGI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/07/01 Vol. E85-C No. 7 pp. 1404-1411 Type of Manuscript: Special Section PAPER (Special Issue on Silicon RF Device & Integrated Circuit Technologies) Category: Keyword: microwave, power amplifier, heterojunction bipolar transistor (HBT), SiGe, bias circuit,
	Summary \| Full Text:PDF(1.3MB)

A Large-Signal Simulation Program for Multi-Stage Power Amplifier Modules by Using a Novel Interpolation Kazuhisa YAMAUCHI Morishige HIEDA Kazutomi MORI Koji YAMANAKA Yoshitada IYAMA Tadashi TAKAGI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2001/07/01 Vol. E84-C No. 7 pp. 891-897 Type of Manuscript: Special Section PAPER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--) Category: Modeling of Nonlinear Microwave Circuits Keyword: microwave, amplifier module, large-signal characteristics, multi-stage, interpolation,
	Summary \| Full Text:PDF(1013.3KB)

An Efficient Large-Signal Modeling Method Using Load-Line Analysis and Its Application to Non-linear Characterization of FET Yukio IKEDA Kazutomi MORI Masatoshi NAKAYAMA Yasushi ITOH Osami ISHIDA Tadashi TAKAGI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2001/07/01 Vol. E84-C No. 7 pp. 875-880 Type of Manuscript: Special Section PAPER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--) Category: Modeling of Nonlinear Microwave Circuits Keyword: microwave, amplifier, FET, modeling, nonlinear analysis,
	Summary \| Full Text:PDF(1.1MB)

A GSM900/DCS1800 Dual-Band MMIC Power Amplifier Using Outside-Base/Center-Via-Hole Layout Multifinger HBT Kazutomi MORI Kenichiro CHOUMEI Teruyuki SHIMURA Tadashi TAKAGI Yukio IKEDA Osami ISHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/11/25 Vol. E82-C No. 11 pp. 1913-1920 Type of Manuscript: Special Section PAPER (Special Issue on High-Frequency/High-Speed Devices for Information and Communication Systems in the 21st Century) Category: RF Power Devices Keyword: microwave, amplifier, efficiency, layout, heterojunction bipolar transistor, multifinger,
	Summary \| Full Text:PDF(1.7MB)

A Distortion Analysis Method for FET Amplifiers Using Novel Frequency-Dependent Complex Power Series Model Kenichi HORIGUCHI Kazuhisa YAMAUCHI Kazutomi MORI Masatoshi NAKAYAMA Yukio IKEDA Tadashi TAKAGI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/05/25 Vol. E82-C No. 5 pp. 737-743 Type of Manuscript: Special Section PAPER (Special Issue on Low Distortion Technology for Microwave Devices and Circuits) Category: Keyword: distortion, analysis, FET amplifiers, frequency characteristics, complex power series, nonlinear,
	Summary \| Full Text:PDF(588.6KB)

A Calculation Method of Large-Signal Characteristics of Multi-Stage Power Amplifier Modules Using Source-Pull and Load-Pull Data Kazutomi MORI Yasushi ITOH Katsuya KOMURO Tadashi TAKAGI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1998/06/25 Vol. E81-C No. 6 pp. 904-910 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Module Technology) Category: Semiconductor Devices and Amplifiers Keyword: microwave, solid state power amplifier, multi-stage power amplifier, calculation method,
	Summary \| Full Text:PDF(557.3KB)

Improvement of Adjacent Channel Leakage Power and Intermodulation Distortion by Using a GaAs FET Linearizer with a Large Source Inductance Kazutomi MORI Kazuhisa YAMAUCHI Masatoshi NAKAYAMA Yasushi ITOH Tadashi TAKAGI Hidetoshi KUREBAYASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1997/06/25 Vol. E80-C No. 6 pp. 775-781 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeterwave High-power Devices) Category: Keyword: microwave, amplifier, linearizer, intermodulation distortion, adjacent chamel leakage power,
	Summary \| Full Text:PDF(475.8KB)

High Efficiency AlGaAs/GaAs Power HBTs at a Low Supply Voltage for Digital Cellular Phones Teruyuki SHIMURA Takeshi MIURA Yutaka UNEME Hirofumi NAKANO Ryo HATTORI Mutsuyuki OTSUBO Kazutomi MORI Akira INOUE Noriyuki TANINO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1997/06/25 Vol. E80-C No. 6 pp. 740-745 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeterwave High-power Devices) Category: Keyword: heterojunction bipolar transistor, digital cellular phone, individual thermal shunt, emitter air-bridge, bias mode,
	Summary \| Full Text:PDF(588.7KB)

Direct Efficiency and Power Calculation Method and Its Application to Low Voltage High Efficiency Power Amplifier Kazutomi MORI Masatoshi NAKAYAMA Yasushi ITOH Satoshi MURAKAMI Yasuharu NAKAJIMA Tadashi TAKAGI Yasuo MITSUI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1995/09/25 Vol. E78-C No. 9 pp. 1229-1236 Type of Manuscript: Special Section PAPER (Special Issue on Ultra-High-Speed Electron Devices) Category: Keyword: calculation method, amplifier, MMIC, high efficiency, high power, low-voltage,
	Summary \| Full Text:PDF(721KB)