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T. Itoh and C. Y. Chang, “A Modified Parallel-Coupled Filter Structure Improves the Upper Stop-Band Performance and Response Symmetry,” IEEE Transactions on Microwave Theory Techniques, Vol. 39, No. 2, 1991, pp. 310-314. doi:10.1109/22.102975

has been cited by the following article:

• TITLE: Broadband Miniaturized Bandpass Filter with Circular Stubs for Compact Wireless and Mobile Communication Systems

  AUTHORS: Yulan Zhang, Heather Song

  KEYWORDS: Miniaturized Square Resonator; Bandpass Filter; Circular Stub; Electromagnetic Simulation

  JOURNAL NAME: Journal of Electromagnetic Analysis and Applications, Vol.5 No.3, March 28, 2013

  ABSTRACT: A miniaturized square resonator bandpass filter with circular stubs is designed, fabricated, and characterized. Analytical calculations were carried out to determine the critical filter parameters and the design was optimized using a 3D electromagnetic finite-element solver. The measured results were in good agreement with the designed results. The proposed filter exhibits significant improvement in bandwidth compared to the conventional square resonator bandpass filters.