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A modified design approach for compact ultra-wideband microstrip filters

✍ Scribed by Marjan Mokhtaari; Jens Bornemann; Smain Amari

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
1011 KB
Volume
20
Category
Article
ISSN
1096-4290

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✦ Synopsis

A modified design approach for compact ultra-wideband microstrip filters with cascaded/folded stepped-impedance resonators is described. The key feature of the proposed method is to facilitate stronger coupling between stepped-impedance resonators and, at the same time, eliminate the requirement of extremely small gaps in coupled-line sections, as found in traditional designs. Simulations and measurements demonstrate that the filters designed with this technique exhibit good reflection, insertion-loss, and group-delay performance within the 3.1-10.6 GHz band. V

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