Fumio TAKEDA


A Simple Design Method of the Planar Butler Matrix Using Thin Dielectric Substrate Metalized Both Side
Yoji ISOTA Osami ISHIDA Fumio TAKEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/02/01
Vol. E86-C  No. 2  pp. 162-168
Type of Manuscript:  Special Section PAPER (Special Issue on Circuit and Device Technology for High-Speed Wireless Communication)
Category: Passive (Feeder)
Keyword: 
Butler matrixmulti beam antennaadaptive array antennabeam forming network
 Summary | Full Text:PDF(773.3KB)

A Millimeter-Wave Monolithic High Power Amplifier Using a Novel Tandem FET
Tadashi TAKAGI Kiyoharu SEINO Takuo KASHIWA Tsutomu HASHIMOTO Fumio TAKEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/06/25
Vol. E75-C  No. 6  pp. 669-673
Type of Manuscript:  Special Section PAPER (Special Issue on MMIC Technology)
Category: 
Keyword: 
millimeter-wavehigh power amplifierMMICtandem FET
 Summary | Full Text:PDF(434.4KB)

An X-Band 12 W GaAs Monolithic Transmit-Receive Switch
Makoto MATSUNAGA Yoshitada IYAMA Kazuhiko NAKAHARA Fumio TAKEDA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/04/25
Vol. E70-E  No. 4  pp. 259-260
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1987 National Convention IEICE)
Category: Electro Magnetic Theory and Microwave Circuits
Keyword: 
 Summary | Full Text:PDF(142.9KB)

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