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2007•Microwave and Optical Technology LettersRequires access

Multilayer cross‐coupled resonator bandpass filters fabricated on low temperature cofired ceramic substrates

Ming-Liang Hsieh, Tsung‐Hui Huang, Lih‐Shan Chen, Chian-Hao Sun, Shuming Wang, Mau‐Phon Houng, Shen‐Li Fu

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Abstract

Abstract Multilayer cross‐coupled open‐loop resonator bandpass filters have been developed on low temperature cofired ceramic substrates. The center frequency of the designed bandpass filter is at 5.2 GHz and the fractional bandwidth is 4%. The measured center frequency is 5.2 GHz, passband insertion loss is 1.46 dB, and fraction bandwidth is 2%. The measured frequency responses of the fabricated bandpass filters are in agreement with simulated results. By constructing multilayer structure, a compact bandpass filter can be realized. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1977–1979, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22580

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Abstract Multilayer cross‐coupled open‐loop resonator bandpass filters have been developed on low temperature cofired ceramic substrates. The center frequency of the designed bandpass filter is at 5.2 GHz and the fractional bandwidth is 4%. The measured center frequency is 5.2 GHz, passband insertion loss is 1.46 dB, and fraction bandwidth is 2%. The measured frequency responses of the fabricated bandpass filters are in agreement with simulated results. By constructing multilayer structure, a compact bandpass filter can be realized. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1977–1979, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22580

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Available abstract

Abstract Multilayer cross‐coupled open‐loop resonator bandpass filters have been developed on low temperature cofired ceramic substrates. The center frequency of the designed bandpass filter is at 5.2 GHz and the fractional bandwidth is 4%. The measured center frequency is 5.2 GHz, passband insertion loss is 1.46 dB, and fraction bandwidth is 2%. The measured frequency responses of the fabricated bandpass filters are in agreement with simulated results. By constructing multilayer structure, a compact bandpass filter can be realized. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1977–1979, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22580

Key concepts: Band-pass filter, Center frequency, Passband, Bandwidth (computing), Resonator, Materials science, Microwave, Insertion loss

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