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IEICE Trans

Osami ISHIDA

A Low-Loss Serial Power Combiner Using Novel Suspended Stripline Couplers
Yukihiro TAHARA Hideyuki OH-HASHI Kazuyuki TOTANI Moriyasu MIYAZAKI Sei-ichi SAITO Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/01/01
Vol. E88-C  No. 1  pp. 15-19
Type of Manuscript:  Special Section PAPER (Special Section on Recent Trends of Microwave and Millimeter-Wave Passive Circuit Components and Technologies for Improvement of Characteristics)
Category: 
Keyword: 
directional coupler, suspended stripline, power combiner, 
 Summary | Full Text:PDF
A Compact Ku-Band 5-Bit MMIC Phase Shifter
Morishige HIEDA Kenichi MIYAGUCHI Hitoshi KURUSU Hiroshi IKEMATSU Yoshitada IYAMA Tadashi TAKAGI Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/12/01
Vol. E86-C  No. 12  pp. 2437-2444
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Trends on Microwave and Millimeter Wave Application Technology)
Category: Active(Phase Shifter)
Keyword: 
monolithic microwave integrated circuit (MMIC), phase shifter, 
 Summary | Full Text:PDF
A C-Ku Band 5-Bit MMIC Phase Shifter Using Optimized Reflective Series/Parallel LC Circuits
Kenichi MIYAGUCHI Morishige HIEDA Yukinobu TARUI Mikio HATAMOTO Koh KANAYA Yoshitada IYAMA Tadashi TAKAGI Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/12/01
Vol. E86-C  No. 12  pp. 2429-2436
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Trends on Microwave and Millimeter Wave Application Technology)
Category: Active(Phase Shifter)
Keyword: 
microwave, phase shifter, monolithic microwave integrated circuit (MMIC), reflective circuit, broad-band, 
 Summary | Full Text:PDF
Feedforward Power Amplifier Control Method Using Weight Divided Adaptive Algorithm
Kenichi HORIGUCHI Atsushi OKAMURA Masatoshi NAKAYAMA Yukio IKEDA Tadashi TAKAGI Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1494-1500
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
normalized least mean square, adaptive algorithm, feedforward, power amplifier, microwave, 
 Summary | Full Text:PDF
An 18 GHz-Band MMIC Diode Linearizer Using a Parallel Capacitor with a Bias Feed Resistance
Kazuhisa YAMAUCHI Masatoshi NAKAYAMA Yukio IKEDA Akira AKAISHI Osami ISHIDA Naoto KADOWAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1486-1493
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
amplifier, linearizer, distortion, intermodulation distortion, microwave, satellite, APAA, 
 Summary | Full Text:PDF
A Simple Design Method of the Planar Butler Matrix Using Thin Dielectric Substrate Metalized Both Side
Yoji ISOTA Osami ISHIDA Fumio TAKEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/02/01
Vol. E86-C  No. 2  pp. 162-168
Type of Manuscript:  Special Section PAPER (Special Issue on Circuit and Device Technology for High-Speed Wireless Communication)
Category: Passive (Feeder)
Keyword: 
Butler matrix, multi beam antenna, adaptive array antenna, beam forming network, 
 Summary | Full Text:PDF
A High Efficiency Bias Condition Optimized Feedforward Power Amplifier with a Series Diode Linearizer
Kenichi HORIGUCHI Masatoshi NAKAYAMA Yuji SAKAI Kazuyuki TOTANI Haruyasu SENDA Yukio IKEDA Tadashi TAKAGI Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/12/01
Vol. E85-C  No. 12  pp. 1973-1980
Type of Manuscript:  Special Section PAPER (Special Issue on Low-Distortion,High-Power,High-Efficiency Active Device and Circuit Technology)
Category: 
Keyword: 
feedforward power amplifiers, pre-distortion, bias conditions, optimization, base station, 
 Summary | Full Text:PDF
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
Low Spurious Frequency Setting Algorithm for a Triple Tuned Type PLL Synthesizer Driven by a DDS
Ken'ichi TAJIMA Yoshihiko IMAI Yousuke KANAGAWA Kenji ITOH Yoji ISOTA Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 595-598
Type of Manuscript:  Special Section LETTER (Special Issue on Signals, Systems and Electronics Technology)
Category: 
Keyword: 
direct digital synthesizer, phase locked loop, spurious component, triple tune, 
 Summary | Full Text:PDF
Si Substrate Resistivity Design for On-Chip Matching Circuit Based on Electro-Magnetic Simulation
Masayoshi ONO Noriharu SUEMATSU Shunji KUBO Kensuke NAKAJIMA Yoshitada IYAMA Tadashi TAKAGI Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 923-930
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: Electromagnetics Simulation Techniques
Keyword: 
Si-MMIC, electromagnetic simulation, high resistivity Si substrate, low noise amplifier, spiral inductor, 
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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, 
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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, 
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Intermodulation Distortion of Low Noise Silicon BJT and MOSFET Fabricated in BiCMOS Process
Noriharu SUEMATSU Masayoshi ONO Shunji KUBO Mikio UESUGI Kouichi HASEGAWA Kenji HIROSHIGE Yoshitada IYAMA Tadashi TAKAGI Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/05/25
Vol. E82-C  No. 5  pp. 692-698
Type of Manuscript:  Special Section PAPER (Special Issue on Low Distortion Technology for Microwave Devices and Circuits)
Category: 
Keyword: 
distortion, low noise, BJT, CMOS, mobile communication, Si-MMIC, 
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Distortion Characteristics of an Even Harmonic Type Direct Conversion Receiver for CDMA Satellite Communications
Hiroshi IKEMATSU Ken'ichi TAJIMA Kenji KAWAKAMI Kenji ITOH Yoji ISOTA Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/05/25
Vol. E82-C  No. 5  pp. 699-707
Type of Manuscript:  Special Section PAPER (Special Issue on Low Distortion Technology for Microwave Devices and Circuits)
Category: 
Keyword: 
direct conversion, mixer, diode, third-order intermodulation, noise power ratio, 
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An Asymmetrical Suspended Stripline Directional Coupler
Osami ISHIDA Yoji ISOTA Moriyasu MIYAZAKI Fumio TAKEDA Norio TAKEUCHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 333-334
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Microwave Circuits
Keyword: 
 Summary | Full Text:PDF