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DOE based design method for coupled-lines narrow bandpass filter response improvement
- Source :
- Actes EMC 2002 (32nd European Microwave Conference), EMC 2002 (32nd European Microwave Conference), EMC 2002 (32nd European Microwave Conference), Sep 2002, Milan, Italie. pp.1129-1136
- Publication Year :
- 2002
- Publisher :
- HAL CCSD, 2002.
-
Abstract
- International audience; In this paper we discuss about various modifications of classical coupled-lines narrow bandpass filter to obtain some frequency response improvement. The first modification concerns the broadening of the resonator strip-widths to improve their unloaded Q-factor. The second modification consists in replacing the in/out coupled lines section by tapped lines feeding. Finally a transmission zero is added using a geometrical modification that favor coupling between non-adjacent resonators. The theoretical investigation is carried out through a DOE based sensitivity study using both a circuit modeling approach and a full wave analysis. Theoretical and experimental results on microstrip filters are compared.; In this paper we discuss about various modifications of classical coupled-lines narrow bandpass filter to obtain some frequency response improvement. The first modification concerns the broadening of the resonator strip-widths to improve their unloaded Q-factor. The second modification consists in replacing the in/out coupled lines section by tapped lines feeding. Finally a transmission zero is added using a geometrical modification that favor coupling between non-adjacent resonators. The theoretical investigation is carried out through a DOE based sensitivity study using both a circuit modeling approach and a full wave analysis. Theoretical and experimental results on microstrip filters are compared.
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Subjects
Details
- Language :
- French
- Database :
- OpenAIRE
- Journal :
- Actes EMC 2002 (32nd European Microwave Conference), EMC 2002 (32nd European Microwave Conference), EMC 2002 (32nd European Microwave Conference), Sep 2002, Milan, Italie. pp.1129-1136
- Accession number :
- edsair.doi.dedup.....3926093cf6c43e5887aaa4eccf4646ba