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2009•Microwave and Optical Technology LettersRequires access

A microstrip ring‐like diplexer for bluetooth and UWB application

Chang‐Sin Ye, Yan‐Kuin Su, Min‐Hang Weng, Cheng‐Yuan Hung

Open publisher page 10 citations

Abstract

Abstract In this article, design of a microstrip ring‐like diplexer for Bluetooth and ultrawide band application is presented. Two ring‐like bandpass filters, operated at 2.4 and 4 GHz, are combined together to form the proposed microstrip diplexer. Several transmission zeros located at the passband edges are introduced to improve the passband selectivity. High isolation between the two passband greater than 28 dB is achieved in this study. The designed diplexer is investigated numerically and experimentally. Measured results show a good agreement with the simulated analysis. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1518–1520, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24358

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What this paper is about

Abstract In this article, design of a microstrip ring‐like diplexer for Bluetooth and ultrawide band application is presented. Two ring‐like bandpass filters, operated at 2.4 and 4 GHz, are combined together to form the proposed microstrip diplexer. Several transmission zeros located at the passband edges are introduced to improve the passband selectivity. High isolation between the two passband greater than 28 dB is achieved in this study. The designed diplexer is investigated numerically and experimentally. Measured results show a good agreement with the simulated analysis. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1518–1520, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24358

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Available abstract

Abstract In this article, design of a microstrip ring‐like diplexer for Bluetooth and ultrawide band application is presented. Two ring‐like bandpass filters, operated at 2.4 and 4 GHz, are combined together to form the proposed microstrip diplexer. Several transmission zeros located at the passband edges are introduced to improve the passband selectivity. High isolation between the two passband greater than 28 dB is achieved in this study. The designed diplexer is investigated numerically and experimentally. Measured results show a good agreement with the simulated analysis. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1518–1520, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24358

Key concepts: Diplexer, Passband, Bluetooth, Microstrip, Microwave, Band-pass filter, Electronic engineering, Ring (chemistry)

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