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www.adv-radio-sci.net/6/125/2008/
doi:10.5194/ars-6-125-2008
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Miniaturisation of combline filters for switched-mode power amplifier systems
Dept. for RF and Microwave Techniques, Technische Universität Ilmenau, Ilmenau, Germany
Abstract. This paper presents a coaxial combline filter for a class-S power amplifier for an operating frequency of 450 MHz. According to the measurement results, the filter provides a bandwidth of 26 MHz, an insertion loss of 0.55 dB, and a second pass-band only at 2.8 GHz. As the filter dimensions are crucial for the envisaged application, different ways to miniaturise the filter are proposed and their features and disadvantages discussed.
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Citation: Serebryakova, E., Blau, K., and Hein, M.: Miniaturisation of combline filters for switched-mode power amplifier systems, Adv. Radio Sci., 6, 125-127, doi:10.5194/ars-6-125-2008, 2008. Bibtex EndNote Reference Manager XML
