Tomohide KAMIYAMA


Location of Multiple Transmission Zeros by Tap-Coupling Technique for Bandpass Filters and Duplexers Using Short-Ended λ/2 Resonators
Kouji WADA Yoshiyuki AIHARA Tomohide KAMIYAMA Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/12/01
Vol. E86-C  No. 12  pp. 2403-2411
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Trends on Microwave and Millimeter Wave Application Technology)
Category: Passive(Filter)
Keyword: 
short-ended λ/2 resonatormultiple transmission zerostap-couplingbandpass filterduplexer
 Summary | Full Text:PDF(983.9KB)

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(1.1MB)