Design of a high-power harmonic waveguide filter for radar transmitter

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Authors

  • Trinh Xuan Tho (Corresponding Author) Institute of Radar, Academy of Military Science and Technology
  • Pham Huu Lap Institute of Radar, Academy of Military Science and Technology
  • Tran Van Ha Institute of Radar, Academy of Military Science and Technology

DOI:

https://doi.org/10.54939/1859-1043.j.mst.98.2024.42-49

Keywords:

Waffle-iron filter; Harmonic filter; Lowpass filter.

Abstract

 In this article, we present the research results on the designing and manufacturing method of a high-power harmonic filter applied in the X-band transmitter system. The harmonic filter utilizes Waffle-iron filters and quarter-wavelength converters on the waveguide. As a result, the loss and ripple within the passband are improved, while meeting the requirements of cutting off high-order harmonics. Based on the application of microwave theory and simulation software tools, the research team have calculated, designed and manufactured a harmonic filter that meets all the requested specifications for application in X-band transmitter systems: Loss ≤ 0,12dB@8,9-9,6GHz; Reflection coefficient ≤ -20dB@8,9-9,6GHz; Frequency selectivity ≤ -40dB@2nd harmonic, 3rd harmonic, 4th harmonic.

References

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Published

25-10-2024

How to Cite

Trịnh, X. T., Pham Huu Lap, and Tran Van Ha. “Design of a High-Power Harmonic Waveguide Filter for Radar Transmitter”. Journal of Military Science and Technology, vol. 98, no. 98, Oct. 2024, pp. 42-49, doi:10.54939/1859-1043.j.mst.98.2024.42-49.

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Section

Electronics & Automation

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