The loop ring bandstop structure with its application in BPF stopband enhancement

Min-Hua Ho, Mingchih Chen, Yi Chao Lin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The microstrip loop ring structure was investigated for the bandstop filter (BSF) design. This structure alone or together with the traditional quarter-wavelength open stub created a band rejection response. The ring was in a rectangular shape with its circumference dimension being one wavelength or one and half wavelengths. The rectangular loop's each side might have different width. Transmission line model was derived for the loop structure with or without the attached open-stubs. The application of the loop BSF in enhancing the stopband bandwidth (BW) for a BPF of coupled-lines structure was demonstrated. The frequency responses calculated from the transmission line model were compared with those obtained from commercial electromagnetic software. Experiment was conducted to validate the circuit design.

Original languageEnglish
Title of host publication2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012 - Proceedings
Pages3599-3602
Number of pages4
DOIs
Publication statusPublished - 2012 Jun 11
Event2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012 - Three Gorges, China
Duration: 2012 Apr 212012 Apr 23

Other

Other2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012
CountryChina
CityThree Gorges
Period12-04-2112-04-23

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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    Ho, M-H., Chen, M., & Lin, Y. C. (2012). The loop ring bandstop structure with its application in BPF stopband enhancement. In 2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012 - Proceedings (pp. 3599-3602). [6201555] https://doi.org/10.1109/CECNet.2012.6201555