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 couplersuspended striplinepower combiner
  Summary |  Full Text:PDF (677.7KB)

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 (1004.6KB)

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: 
microwavephase shiftermonolithic microwave integrated circuit (MMIC)reflective circuitbroad-band
  Summary |  Full Text:PDF (1MB)

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: 
amplifierlinearizerdistortionintermodulation distortionmicrowavesatelliteAPAA
  Summary |  Full Text:PDF (825.7KB)

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 squareadaptive algorithmfeedforwardpower amplifiermicrowave
  Summary |  Full Text:PDF (697.9KB)

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 matrixmulti beam antennaadaptive array antennabeam forming network
  Summary |  Full Text:PDF (775.2KB)

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 amplifierspre-distortionbias conditionsoptimizationbase station
  Summary |  Full Text:PDF (919.7KB)

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: 
microwaveamplifiertransistorPHEMTdistortionefficiency
  Summary |  Full Text:PDF (1.1MB)

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 synthesizerphase locked loopspurious componenttriple tune
  Summary |  Full Text:PDF (407.3KB)

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: 
microwaveamplifierFETmodelingnonlinear analysis
  Summary |  Full Text:PDF (1.1MB)

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-MMICelectromagnetic simulationhigh resistivity Si substratelow noise amplifierspiral inductor
  Summary |  Full Text:PDF (1.8MB)

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: 1999/11/20
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: 
microwaveamplifierefficiencylayoutheterojunction bipolar transistormultifinger
  Summary |  Full Text:PDF (1.7MB)

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: 1999/05/20
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 conversionmixerdiodethird-order intermodulationnoise power ratio
  Summary |  Full Text:PDF (848.7KB)

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: 1999/05/20
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: 
distortionlow noiseBJTCMOSmobile communicationSi-MMIC
  Summary |  Full Text:PDF (637.3KB)

An Asymmetrical Suspended Stripline Directional Coupler
Osami ISHIDA  Yoji ISOTA  Moriyasu MIYAZAKI  Fumio TAKEDA  Norio TAKEUCHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/20
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 (124.9KB)