Compact notch filter design using stepped impedance resonators for sharp roll‐off and large wideband rejection | Zendy

Asadbeigi H. | Zendy; Virdee B. S. | Zendy

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Compact notch filter design using stepped impedance resonators for sharp roll‐off and large wideband rejection

Author(s) -

Asadbeigi H.,

Virdee B. S.

Publication year - 2015

Publication title -

international journal of rf and microwave computer‐aided engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.335

H-Index - 39

eISSN - 1099-047X

pISSN - 1096-4290

DOI - 10.1002/mmce.20883

Subject(s) - resonator , band stop filter , wideband , filter (signal processing) , electrical impedance , microwave , acoustics , materials science , electronic engineering , optoelectronics , electrical engineering , low pass filter , engineering , physics , telecommunications

This article presents the design of a compact notch filter with a sharp roll‐off and high rejection over a wideband. The filter comprises stepped impedance resonators that are interconnected to each other at strategic points on the resonator for optimal 3 dB roll‐off and high rejection over a wide stop‐band. The fabricated third‐order filter exhibits a steep 3 dB roll‐off and rejection exceeding 50 dB over the frequency range 2.70–6.19 GHz. © 2014 Wiley Periodicals, Inc. Int J RF and Microwave CAE 25:490–494, 2015.

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