Masataka OHTSUKA


Construction and Design Equations of a Lumped Element Dual-Band Wilkinson Divider
Takeshi OSHIMA Masataka OHTSUKA Hiroaki MIYASHITA Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/10/01
Vol. E92-C  No. 10  pp. 1322-1324
Type of Manuscript:  LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
microwavedual-bandWilkinson dividerlumped elementcompact
 Summary | Full Text:PDF(200.5KB)

A Linear Array Antenna Using Bifilar Helical Elements for Mobile Satellite Communications
Masataka OHTSUKA Yoshihiko KONISHI Makoto MATSUNAGA Takashi KATAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/25
Vol. E79-C  No. 5  pp. 699-704
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Passive Devices
Keyword: 
mobile satellite communicationbeam direction movementbifilar helical antennaTEM transmission linearray antennamicrowave and millimeter wave technology
 Summary | Full Text:PDF(484.6KB)