Keyword : spurious responses


Realization of Attenuation Poles, Spurious Resonance Suppression and Size Reduction by Microstrip SIR Loaded with Dielectric Rods
Ramesh K. POKHAREL Kouji WADA Osamu HASHIMOTO Takeshi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/12/01
Vol. E88-C  No. 12 ; pp. 2302-2309
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics)
Category: Devices
Keyword: 
attenuation poledielectric rodsFDTD methodspurious responsesSIRtapped λ/2 microstrip resonator
 Summary | Full Text:PDF

Out-of-Band Improvement by Microstrip Line BPFs with Multiple Attenuation Poles in Stopband Using Various Conditions of Coupling Length of Partially Coupled-Line Section
Kouji WADA Ramesh K. POKHAREL Takanobu OHNO Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/07/01
Vol. E88-C  No. 7 ; pp. 1430-1439
Type of Manuscript:  Special Section PAPER (Special Section on Recent Technologies of Microwave and Millimeter-Wave Devices Focusing on Miniaturization and Advancement in Performance with Their Applications)
Category: Resonators & Filters
Keyword: 
coupled-line BPFattenuation polesout-of-band characteristicsspurious responsesmicrostrip line
 Summary | Full Text:PDF

A Method for LTCC Resonators to Realize Improved-Resonant Characteristics on Reduced-Size Microstrip Structure
Ramesh K. POKHAREL Kouji WADA Osamu HASHIMOTO Takeshi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/09/01
Vol. E87-C  No. 9 ; pp. 1517-1523
Type of Manuscript:  Special Section PAPER (Special Section on Wave Technologies for Wireless and Optical Communications)
Category: Components and Devices
Keyword: 
dielectric rodsFDTD methodmicrostrip resonatorspurious responsesattenuation pole
 Summary | Full Text:PDF

An Effective Method for Designing Bandpass Filters Using λ/4 Resonators for Improving Out-of-Band Characteristics
Kouji WADA Tomohide KAMIYAMA Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/02/01
Vol. E86-C  No. 2 ; pp. 150-161
Type of Manuscript:  Special Section PAPER (Special Issue on Circuit and Device Technology for High-Speed Wireless Communication)
Category: Passive (Filter)
Keyword: 
λ/4 resonatorattenuation poleskirt characteristicsspurious responsesbandpass filter
 Summary | Full Text:PDF

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