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논문 기본 정보

자료유형
학술저널
저자정보
Francis E. Chinda (Universiti Teknologi PETRONAS) Socheatra Seoung (Universiti Teknologi PETRONAS) Sovuthy Cheab (FILPAL (M) Snd Bhd) Muhammad S. Yahya (Universiti Teknologi PETRONAS) Huzein F. Hawari (Universiti Teknologi PETRONAS)
저널정보
한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.23 No.3
발행연도
2023.5
수록면
283 - 293 (11page)

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The design of compact parallel-connected chained function filters is presented in this paper. The proposed filters will offer reduced sensitivity to manufacturing tolerance within the specified bandwidth in comparison to conventional Chebyshev filters for C-band applications. A new filtering function according to a chained configuration is derived for fourth-order filters, and the synthesis procedures are presented. To demonstrate the feasibility of this approach, the circuit simulation based on parallel-connected topology is performed in an advanced design system, while the design and simulation of a fourth-order filter in dielectric technology are carried out in high-frequency simulation software. The prototype of fourth-order microstrip topology is fabricated using open-loop resonators. The overall circuit size of the filter is 2.5 cm × 4 cm. The achieved simulation and measured insertion/return loss are 0.409 dB/20 dB and 2.674 dB/18.074 dB, respectively. Extensive sensitivity analysis is conducted to prove the fabrication tolerance of the filter. The reduced sensitivity of the proposed filter to manufacturing tolerance is fully demonstrated using an open-loop microstrip technology, and its reliability is proven by theoretical analysis. The prototype results in this research are validated and agree with the theoretical results. In terms of implementation, this design technique will be a very useful mathematical tool for any filter design engineer.

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Abstract
I. INTRODUCTION
II. CHAINED FUNCTION CHARACTERISTICS
III. CHAINED FUNCTION POLYNOMIAL
IV. PARALLEL CHAINED FILTER SYNTHESIS PROCEDURES
V. SIMULATION RESULTS OF PARALLEL CHAINED DIELECTRIC RESONATOR FILTER
VI. SIMULATION RESULTS OF PARALLEL CHAINED MICROSTRIP FILTER
VII. PROTOTYPE DESIGN RESULTS
VIII. SENSITIVITY ANALYSIS
IX. CONCLUSION
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