Munenari KAWASHIMA

Multiband Sector Antenna with the Same Beamwidth Employing Multiple Woodpile Metamaterial Reflectors
Hideya SO Atsuya ANDO Tomohiro SEKI Munenari KAWASHIMA Takatoshi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/10/01
Vol. E97-C  No. 10  pp. 976-985
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-wave Technologies)
Category: 
Keyword: 
sector base station antenna, multiband antenna, metamaterial, electromagnetic band gap (EBG) characteristics, 
 Summary | Full Text:PDF
Miniaturized Lumped-Element Power Dividers with a Filtering Function
Hitoshi HAYASHI Munenari KAWASHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/11/01
Vol. E91-C  No. 11  pp. 1798-1805
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
lumped element microwave circuits, microwave filters, monolithic microwave integrated circuits, power dividers, 
 Summary | Full Text:PDF
An Active Terminal Circuit and Its Application to a Distributed Amplifier
Hitoshi HAYASHI Munenari KAWASHIMA Tadao NAKAGAWA Kazuhiro UEHARA Yoshihiro TAKIGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/06/01
Vol. E90-C  No. 6  pp. 1203-1208
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
distributed, amplifier, cascode-connected, Darlington pair, 
 Summary | Full Text:PDF
A 0.9-2.6 GHz Broadband RF Front-End Chip-Set with a Direct Conversion Architecture
Munenari KAWASHIMA Tadao NAKAGAWA Hitoshi HAYASHI Kenjiro NISHIKAWA Katsuhiko ARAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2732-2740
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
RF front-end, direct conversion architecture, quadrature mixer, local oscillator, low-noise variable gain amplifier, 
 Summary | Full Text:PDF