Tomoki UWANO


Design of a New Low-Pass Filter in the Hairpin Structure with a Chip-Capacitor
Takenori YASUZUMI Masayoshi KAMADA Tomoki UWANO Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/02/01
Vol. E95-C  No. 2  pp. 284-289
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
low-pass filterhairpin structureattenuation poleChebyshev response
 Summary | Full Text:PDF

Novel Compact High-Pass Filter with Sharp Attenuation Slope Using Cross-Coupling in the Multi-Layer Structure
Takenori YASUZUMI Tomoki UWANO Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/02/01
Vol. E95-C  No. 2  pp. 313-316
Type of Manuscript:  BRIEF PAPER
Category: Electronic Circuits
Keyword: 
high-pass filter (HPF)quasi-lumped elementsattenuation polecross-coupling
 Summary | Full Text:PDF

Ultra-Wideband Bandpass Filter with Sharp Attenuation Slope Using Inter-Digital Finger Resonator and Parallel-Coupled Lines
Takenori YASUZUMI Yusuke OMOTE Tomoki UWANO Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/02/01
Vol. E95-C  No. 2  pp. 268-274
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
bandpass filter (BPF)ultra-wideband (UWB)inter-digital finger resonatorparallel-coupled linesmicrostrip line (MSL)
 Summary | Full Text:PDF

A Study on Compact Wide Bandpass Filter Using Inter-Digital Resonator
Jumpei YAMAMOTO Takenori YASUZUMI Tomoki UWANO Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 1132-1134
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
wideband bandpass filterinterdigital resonatormicrostrip lineparallel coupled line
 Summary | Full Text:PDF

A Study and Design of LPF Using Hairpin Structural Circuit and Chip Capacitor
Shohei HASEGAWA Takenori YASUZUMI Tomoki UWANO Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 1135-1137
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
low-pass filterscoupled lineattenuation polechip capacitor
 Summary | Full Text:PDF

26 GHz Bandpass Filter and Duplexer Using TM11δ Mode Dielectric Resonators with High-Q Performance and Compact Configuration
Akira ENOKIHARA Hideki NANBA Toshiaki NAKAMURA Kojiro OKUYAMA Toshio ISHIZAKI Tomoki UWANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/11/01
Vol. E86-C  No. 11  pp. 2283-2291
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
filterduplexermillimeter-waveTM11δ rectan-gular-modedielectric resonatorsurface mount
 Summary | Full Text:PDF

A Low Distortion and High Efficiency Paralleled Power Amplifier without an Isolator in Wide Range of Load Impedances
Hikaru IKEDA Hiroaki KOSUGI Tomoki UWANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/06/25
Vol. E80-C  No. 6  pp. 763-767
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeterwave High-power Devices)
Category: 
Keyword: 
microwave amplifierlow distortionhigh efficiencyparalleled amplifierπ/4-DQPSK
 Summary | Full Text:PDF

A Beam Tilt Dipole Array Antenna for Indoor Mobile Applications
Koichi OGAWA Tomoki UWANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/25
Vol. E79-C  No. 5  pp. 685-692
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Passive Devices
Keyword: 
beam tiltsector beamdipole array antennaindoor base station
 Summary | Full Text:PDF

An Extended Configuration of a Stepped Impedance Comb-Line Filter
Toshio ISHIZAKI Tomoki UWANO Hideyuki MIYAKE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/25
Vol. E79-C  No. 5  pp. 671-678
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Passive Devices
Keyword: 
comb-line filterstepped impedance resonatorlaminated filterattenuation poleportable telephone
 Summary | Full Text:PDF