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Compact bandpass filter design using folded coupled-line resonators

✍ Scribed by Wen Wang; Jeffrey S. Fu; Yilong Lu; Yong Zhong Xiong

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
240 KB
Volume
45
Category
Article
ISSN
0895-2477

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✦ Synopsis

In this paper, a compact bandpass filter using folded /4 coupled-line resonators is presented. An accurate model is made by using an efficient analytic design approach. Equations for extraction of the equivalent parallel-coupled-line structure representing the folded-line section are developed. A simple systematic design procedure is established for filter designers. Finally, a three-pole bandpass filter for the new resonators is designed. The new folded coupled-line filter exhibits a significant reduction in footprint as compared to the conventional design.

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