Kouichi NAKAGAWA


Realization of Low Spurious Responses by Various Bandpass Filters Using Open-Ended λ/2 Resonators
Kouji WADA Takanobu OHNO Kouichi NAKAGAWA Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/12/01
Vol. E86-C  No. 12  pp. 2394-2402
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Trends on Microwave and Millimeter Wave Application Technology)
Category: Passive(Filter)
Keyword: 
open-ended λ/2 resonatorbandpass filterpoint-coupling techniquelow spurious responsesattenuation poles
 Summary | Full Text:PDF(1.2MB)

Technique for Improving Out-of-Band Characteristics of Planar Microwave Filters Using Tapped Resonators
Kouji WADA Kouichi NAKAGAWA Osamu HASHIMOTO Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/02/01
Vol. E85-C  No. 2  pp. 391-399
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
tapped resonatorattenuation polespurious responsesplanar microwave filter
 Summary | Full Text:PDF(794.5KB)