Takao FUJII


Parallel Coupled Microstrip Couplers Compensated with Periodic Floating-Conductors on Coupled Edges
Takao FUJII Isao OHTA Tadashi KAWAI Yoshihiro KOKUBO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/05/01
Vol. E91-C  No. 5  pp. 780-787
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
artificial coupled-linedirectional couplersmicrostrip couplersparallel coupled linesperiodically loading
 Summary | Full Text:PDF(1.8MB)

Miniature Broad-Band CPW 3-dB Branch-Line Couplers in Slow-Wave Structure
Takao FUJII Isao OHTA Tadashi KAWAI Yoshihiro KOKUBO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/12/01
Vol. E90-C  No. 12  pp. 2245-2253
Type of Manuscript:  Special Section PAPER (Special Section on Recent Technologies for Microwave and Millimeter-wave Passive Devices)
Category: 
Keyword: 
coplanar waveguidesdirectional couplershybridsequivalent admittancemicrowave circuitsslow-wave structure
 Summary | Full Text:PDF(1.7MB)