Yoshitada IYAMA


Estimation of Surface Waves along a Metal Grating Using an Equivalent Impedance Model
Michinari SHIMODA Toyonori MATSUDA Kazunori MATSUO Yoshitada IYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/04/01
Vol. E95-C  No. 4  pp. 717-724
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
electromagnetic wavesdiffraction gratingsurface waveplasmon-resonance absorption
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Estimation of Reflection Coefficient and Surface Impedance from Absolute Values of the Near Field with Periodic Change
Michinari SHIMODA Masazumi MIYOSHI Kazunori MATSUO Yoshitada IYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/01/01
Vol. E92-C  No. 1  pp. 92-101
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and its Application)
Category: 
Keyword: 
electromagnetic wavesinverse scattering problemestimation of surface impedancesuccessive algorithm
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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
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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
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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: 
microwaveamplifier modulelarge-signal characteristicsmulti-stageinterpolation
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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
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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: 
distortionlow noiseBJTCMOSmobile communicationSi-MMIC
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L-Band SPDT Switch Using Si-MOSFET
Yoshitada IYAMA Noriharu SUEMATSU Tomonori SHIGEMATSU Takao MORIWAKI Tatsuhiko IKEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/25
Vol. E79-C  No. 5  pp. 636-643
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Active Devices
Keyword: 
switchmicrowaveSiMOSFETcommunication
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An X-Band 12 W GaAs Monolithic Transmit-Receive Switch
Makoto MATSUNAGA Yoshitada IYAMA Kazuhiko NAKAHARA Fumio TAKEDA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/04/25
Vol. E70-E  No. 4  pp. 259-260
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1987 National Convention IEICE)
Category: Electro Magnetic Theory and Microwave Circuits
Keyword: 
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