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Millimeter Power Combiner with Suspended Microstrip
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Jin SU1, Limei QI1, Shen ZHENG2, Chao LI2
Journal of Telemetry, Tracking and Command | 2025, 46(1) : 30 - 37
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Journal of Telemetry, Tracking and Command | 2025, 46(1): 30-37
• Antenna Servo and Feed Technology •
Millimeter Power Combiner with Suspended Microstrip
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Jin SU1, Limei QI1, Shen ZHENG2, Chao LI2
Affiliations
  • 1.School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing 100876, China
  • 2.Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
Published: 2025-01-15 doi: 10.12347/j.ycyk.20240621001
Outline
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A millimeter power synthesizer based on a novel suspended microstrip transition structure has been proposed. The terahertz power combiner combines/distributes power through a traditional waveguide power splitter with one to eight channels, and connects the eight channels of power splitters with a new suspended microstrip transition structure. The proposed new microstrip transition structure is easy to process, and by optimizing the length of the suspended microstrip substrate, the two sides of the substrate are mounted in the protruding waveguide sidewalls, which can suspend and fix the entire microstrip inside the waveguide without affecting transmission performance. The average insertion loss test values of the processed samples remained stable below 0.5 dB. Finally, the overall optimization analysis was conducted on the power combiner. Simulation results showed that within the operating frequency range of 180~220 GHz, the S11 parameter of the power combiner remained stable below -15 dB, and the loss from the input port to the output port of the power combiner was approximately 0.25 dB.

Power combiner  /  Millimeter  /  Suspended microstrip  /  Power divider
Jin SU, Limei QI, Shen ZHENG, Chao LI. Millimeter Power Combiner with Suspended Microstrip[J]. Journal of Telemetry, Tracking and Command, 2025 , 46 (1) : 30 -37 . DOI: 10.12347/j.ycyk.20240621001
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Year 2025 volume 46 Issue 1
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Article Info
doi: 10.12347/j.ycyk.20240621001
  • Receive Date：2024-06-21
  • Online Date：2026-03-13
  • Published：2025-01-15
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History
  • Received：2024-06-21
  • Revised：2024-08-13
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Affiliations
    1.School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing 100876, China
    2.Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
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红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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