Title: A filter synthesis method for quasi-elliptic dual-passband filters
Abstract: This paper presents a new synthesis method for the quasi-elliptic LC prototype of multi-passband filter. The optimized poles and zeros satisfying the required multi-passband filter response are achieved by optimized algorithm. Transfer and reflection functions were also calculated. Using the roots of these functions, the quasi-elliptic LC prototype was synthesized. To verify the proposed synthesis method, a dual-passband filter operating at GSM(880∼960 MHz) and ISM(2400∼2500 MHz) was designed and fabricated. The measured frequency response shows good agreement with the theoretical and simulated ones.
Publication Year: 2010
Publication Date: 2010-12-01
Language: en
Type: article
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Cited By Count: 1
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