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Transactions on Machine Design (TMD)

A Filter Design of the Smaller One of the Hairpin Defected Ground Structure Resonator

Marin Nedelchev, Alexander Kolev
Faculty of Telecommunication in TU Sofia N8, Kliment Ohridski bul., 1700 Sofia, Bulgaria

Abstract: In the current work we have prepared a filter design of the smaller one of the hairpin defected ground structure resonator. We also further studied the resonance frequency which is depend of the resonator according to the length of the coupled lines. We have drawn the coupling coefficient using coupling topologies which are simulated in full-wave electromagnetic simulator., useful design formulas are proposed for filter synthesis Using curve-fitting technique. To verify the proposed synthesis procedure, an example filter design is performed. We found a strong relation among the actual results and simulation.

Keywords: Microstrip, Defected Ground Resonator, Coupling Coefficient, Filter Design A Filter Design of the Smaller One of the Hairpin Defected Ground Structure Resonator

DOI:

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References:

[1] Makimoto, M., Yamashita, S. (2001). Microwave Resonators and Filters for Wireless Communication, Theory Design and Applications, New York: Springer.
[2] Hong, J., Lancaster, M. J. (2001). Microstrip Filters for RF/Microwave Applications, John Wiley and Sons Inc.
[3] Abdel-Rahman, A., Ali, A. R., Amari, S., Omar, A. S. (2005). Compact Bandpass Filters Using Defected Ground Structure (DGS) Coupled Resonators, 2005 IEEE MTT-S International Microwave Symposium Digest, 12-17 (June).
[4] Vagner, P., Kasal, M. (2010). A Novel Bandpass Filter Using a Combination of Open-Loop Defected Ground Structure and Half-Wavelength Microstrip Resonators, Radioengineering, p. 392-396, (September).
[5] Parui, S. K., Das, S. (2007). A New Defected Ground Structure for Different Microstrip Circuit Applications, Radioengineering, 16 (1).

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