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Dive into the research topics where Wada Koji is active.

Publication


Featured researches published by Wada Koji.


IEICE Technical Report; IEICE Tech. Rep. | 2014

A Study of an LTCC-based Miniaturized Multiplexer with Attenuation Poles Using a Multiband Resonator and SIRs

Aoki Daichi; Wada Koji; Murata Ryuji; Hara Hiroshi; Ebihara Kin; Oshima Shinpei


IEICE Technical Report; IEICE Tech. Rep. | 2014

A Study of Multiplexers using M-derived SAW Resonator Filters Based on a BVD Equivalent Circuit Approach

Eguchi Teruaki; Wada Koji; Kawachi Osamu


IEICE Technical Report; IEICE Tech. Rep. | 2014

A Study on a Design of an M-derived Dual-band BPF using SAW Resonators Based on a BVD Equivalent Circuit Approach

Eguchi Teruaki; Wada Koji; Kawachi Osamu


IEICE Technical Report; IEICE Tech. Rep. | 2012

A Study of an LTCC Substrate-Based Diplexer with Attenuation Poles Using BPFs Consisting of Tapped -1st Order CRLH Transmission Line Resonators

Iwamoto Kentaro; Hara Hiroshi; Oshima Shinpei; Murata Ryuji; Ebihara Hitoshi; Wada Koji


IEICE Technical Report; IEICE Tech. Rep. | 2011

A Study of LTCC Substrate-Based BPFs with Attenuation Poles by Using CRLH Transmission Line Resonators

Iwamoto Kentaro; Sasanami Yusaku; Miyata Naoki; Oshima Shinpei; Murata Ryuji; Ebihara Hitoshi; Wada Koji


IEICE Technical Report; IEICE Tech. Rep. | 2011

A Study of Diplexers Using a Balanced SAW Filter and a Balanced Wide-Band Filter Fabricated in an LTCC Substrate

Katsumoto Tatsuya; Oshima Shinpei; Murata Ryuji; Ebihara Hitoshi; Kawachi Osamu; Wada Koji


IEICE Technical Report; IEICE Tech. Rep. | 2010

Multiplexers for RF Module Using Wide-band Filter in LTCC Substrate and SAW Filter

Katsumoto Tatsuya; Oshima Shinpei; Murata Ryuji; Ebihara Hitoshi; Wada Koji


IEICE Technical Report; IEICE Tech. Rep. | 2010

A Study of an LTCC based Diplexer Using Balanced Filters with Attenuation Poles

Hayama Michiya; Murata Ryuji; Oshima Shinpei; Ebihara Hitoshi; Wada Koji


IEICE Technical Report; IEICE Tech. Rep. | 2010

A Microstrip-Line Multiplexer Using Wideband BPFs by λ/4 Resonator-Coupled Open-Circuited Stubs

Shimizu Yasutaka; Murata Ryuji; Oshima Shinpei; Shimakata Yukihiro; Wada Koji


IEICE Technical Report; IEICE Tech. Rep. | 2008

A Study of Compact Multilayer Diplexer in LTCC Substrate Using LPF with Multiple Attenuation Poles and Wideband BPF

Oshima Shinpei; Wada Koji; Murata Ryuji; Shimakata Yukihiro

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