Moriyasu MIYAZAKI


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 (492.9KB)

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 (893.7KB)

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 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 (913.9KB)

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: 1999/05/20
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 (365.9KB)

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)