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A wideband and high rejection multimode 60 GHz GaAs bandpass filter using open-loop CMRC with controllable transmission zeros technique

Author

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  • P.Y. Ke
  • H.-C. Chiu
  • F.H. Huang
  • Hsuan-Ling Kao

Abstract

This work presents a novel compact open-loop resonator V-band bandpass filters with compact microstrip resonator cell (CMRC) controllable transmission zeros for 60 GHz. The filter, which has a high and wide rejection band, has two functions, which are: (1) perturbation for multimode operation and (2) zero point generation at the stopband to control the stopband. Proper input/output open-loop coupling is conducted using two additional poles. The CMRC distances between resonators and the positions of the open gaps in the open-loop-coupled filter can be adjusted to change the coupling coefficients and generate controllable transmission zeros in the upper stopband. The design and fabrication of the proposed open-loop and CMRC open-loop resonator filters provide such advantages as a wider passband and a higher rejection level, and precise control of the locations of the transmission zeros.

Suggested Citation

  • P.Y. Ke & H.-C. Chiu & F.H. Huang & Hsuan-Ling Kao, 2013. "A wideband and high rejection multimode 60 GHz GaAs bandpass filter using open-loop CMRC with controllable transmission zeros technique," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 27(13), pages 1611-1619, September.
    • Handle: RePEc:taf:tewaxx:v:27:y:2013:i:13:p:1611-1619
    DOI: 10.1080/09205071.2013.821675
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