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- Title
A compact multilayer diplexer in LTCC substrate using LPF with multiple attenuation poles and wideband BPF.
- Authors
Oshima, Shimpei; Wada, Kouji; Murata, Ryuji; Shimakata, Yukihiro
- Abstract
Recently, compact wideband BPFs for a UWB system have been studied actively. In this paper we propose a compact diplexer built into an LTCC substrate for a UWB system and 2.4-GHz wireless systems. First, a wideband BPF for a UWB system and an LPF with multiple attenuation poles for 2.4-GHz wireless systems are described. Second, we design matching circuits of a common port to retain the basic performance of both the BPF and the LPF. Third, in accordance with the results of the study, we design a compact diplexer built into an LTCC substrate. Finally, we verify the effectiveness of the proposed method by experiments. © 2010 Wiley Periodicals, Inc. Electron Comm Jpn, 93(5): 24–32, 2010; Published online in Wiley InterScience (<URL>www.interscience.wiley.com</URL>). DOI 10.1002/ecj.10210
- Subjects
BANDPASS filters; ULTRA-wideband antennas; BROADBAND communication systems; LOW Temperature Cofired Ceramic technology; RADIO attenuators; WIRELESS communications
- Publication
Electronics & Communications in Japan, 2010, Vol 93, Issue 5, p24
- ISSN
1942-9533
- Publication type
Article
- DOI
10.1002/ecj.10210