Moriyasu MIYAZAKI


Metal 3D-Printed T-Junction Ortho-Mode-Transducer with an Offset Stepped Post
Hidenori YUKAWA Yu USHIJIMA Motomi ABE Takeshi OSHIMA Naofumi YONEDA Moriyasu MIYAZAKI 
Publication:   
Publication Date: 2019/01/01
Vol. E102-C  No. 1  pp. 56-63
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
waveguideantenna feedortho-mode-transducer3D-printer
 Summary | Full Text:PDF(1.8MB)

Ku/Ka-band Compact Orthomode Junction with Low Pass Filters for High Power Applications
Hidenori YUKAWA Koji YOSHIDA Tomohiro MIZUNO Tetsu OWADA Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/02/01
Vol. E98-C  No. 2  pp. 156-161
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
waveguideantenna feedpolarizationorthomode junctionwideband
 Summary | Full Text:PDF(1.4MB)

A PCB Integrated Multi-layered Strip Line Tandem Coupler Using Compensating Ground Through-Hole Elements
Takeshi YUASA Yukihiro TAHARA Tetsu OWADA Naofumi YONEDA Yoshihiko KONISHI Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/10/01
Vol. E97-C  No. 10  pp. 1014-1020
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
printed circuit boardmulti-layered substratecoupled lineground through-holecompensating element
 Summary | Full Text:PDF(899.4KB)

A Wideband Digital Predistorter for a Doherty Power Amplifier Using a Direct Learning Memory Effect Filter
Kenichi HORIGUCHI Naoko MATSUNAGA Kazuhisa YAMAUCHI Ryoji HAYASHI Moriyasu MIYAZAKI Toshio NOJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 975-982
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
predistortionadaptive filtermemory effectpower amplifierDoherty amplifier
 Summary | Full Text:PDF(2.2MB)

High Directivity Coupler Suppressing Leak Coupling with Cancellation Circuit of Wilkinson Divider
Kazuhisa YAMAUCHI Akira INOUE Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 1032-1037
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
directional couplermicrostrip couplerdirectivitydividerisolation
 Summary | Full Text:PDF(1.4MB)

Millimeter-Wave High-Power MMIC Switch with Multiple FET Resonators
Masatake HANGAI Tamotsu NISHINO Morishige HIEDA Kunihiro ENDO Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/09/01
Vol. E90-C  No. 9  pp. 1695-1701
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Active Devices/Circuits
Keyword: 
switchFETFET resonatormillimeter-wavehigh-powerlow-lossMMICs
 Summary | Full Text:PDF(1.1MB)

A Millimeter-Wave Pulse Transmitter with a Harmonic Mixer
Kenji KAWAKAMI Hiroshi IKEMATSU Koichi MATSUO Naohisa UEHARA Moriyasu MIYAZAKI Tadashi TAKAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/10/01
Vol. E88-C  No. 10  pp. 1947-1951
Type of Manuscript:  Special Section PAPER (Special Section on Recent Technologies on Devices, Circuits, and Systems for Millimeter-wave ITS Applications)
Category: 
Keyword: 
millimeter-wavepulse transmitterharmonic mixer
 Summary | Full Text:PDF(491.6KB)

A Broadband Asymmetric Tapered-Line Power Divider with Several Strip Resistors
Yukihiro TAHARA Hideyuki OH-HASHI Moriyasu MIYAZAKI Seiichi SAITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/07/01
Vol. E88-C  No. 7  pp. 1395-1400
Type of Manuscript:  Special Section PAPER (Special Section on Recent Technologies of Microwave and Millimeter-Wave Devices Focusing on Miniaturization and Advancement in Performance with Their Applications)
Category: Passive Circuits
Keyword: 
power dividertapered linestrip resistor
 Summary | Full Text:PDF(892.3KB)

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(678KB)

A Novel Three-Port Power Divider with Compensation Networks for Non-ideal Isolation Resistor
Yukihiro TAHARA Hideyuki OH-HASHI Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/02/01
Vol. E86-C  No. 2  pp. 139-143
Type of Manuscript:  Special Section PAPER (Special Issue on Circuit and Device Technology for High-Speed Wireless Communication)
Category: Passive (Divider)
Keyword: 
power dividerisolation resistorparasitic reactance
 Summary | Full Text:PDF(912.2KB)

A Compact Wideband T/R Switching Circuit Utilizing Quadrature Couplers and Gate-and-Drain-Driven HPAs
Hiromitsu UCHIDA Masatoshi NII Norio TAKEUCHI Yoshihiro TSUKAHARA Moriyasu MIYAZAKI Yasushi ITOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/12/01
Vol. E85-C  No. 12  pp. 2022-2028
Type of Manuscript:  Special Section PAPER (Special Issue on Low-Distortion,High-Power,High-Efficiency Active Device and Circuit Technology)
Category: 
Keyword: 
T/R switchingquadrature couplerFETbiasing conditionsmatching circuit
 Summary | Full Text:PDF(1.5MB)

H-Plane Manifold-Type Broadband Triplexer with Closely Arranged Junctions
Tamotsu NISHINO Moriyasu MIYAZAKI Toshiyuki HORIE Hideki ASAO Shinichi BETSUDAN Yasunori IWASA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/05/25
Vol. E82-C  No. 5  pp. 774-780
Type of Manuscript:  PAPER
Category: Microwave and Millimeter Wave Technology
Keyword: 
manifold-type triplexerbroadband characteristicsmode matching techniqueasymmetric cross junctionsnumerical optimizationMarquadt method
 Summary | Full Text:PDF(363.3KB)

An Asymmetrical Suspended Stripline Directional Coupler
Osami ISHIDA Yoji ISOTA Moriyasu MIYAZAKI Fumio TAKEDA Norio TAKEUCHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
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(124.5KB)