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Design of High Integration Eight-channel Ka-band Low Noise Down-converter Module
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Qinying WANG1, Chunyu DONG2, Dalong ZHU1, Yanxiang WANG3
Journal of Telemetry, Tracking and Command | 2024, 45(6) : 72 - 77
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Journal of Telemetry, Tracking and Command | 2024, 45(6): 72-77
• TT & C Communication and Navigation •
Design of High Integration Eight-channel Ka-band Low Noise Down-converter Module
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Qinying WANG1, Chunyu DONG2, Dalong ZHU1, Yanxiang WANG3
Affiliations
  • 1.Aerospace Long March Rocket Technology Co., Ltd, Beijing 100076, China
  • 2.Shanghai Areospace Electronics Co. Ltd, Shanghai 201821, China
  • 3.Aerospace Times FeiHong Technology Company Limited, Beijing 100094, China
doi: 10.12347/j.ycyk.20240515001
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This paper introduces the composition, major function, and technical specifications of a high integrated eight-channel Ka-band low noise down-converter module. An eight-channel Ka-band low noise down-converter module is designed, and the imple-mentation method of the circuit is proposed. The isolation, amplitude imbalance, noise figure (NF), and combined frequency interfer-ence are also analyzed. The measured results of the module are as follows: NF is lower than 2.3 dB, the converter gain is more than 35 dB, and the amplitude imbalance is lower than ±0.5 dB. The isolation of multi-channel is more than 60 dB. The module has the advantages of a small size, high output power, high reliability, and good consistency. It has been successfully applied in TT&C.

Down-converter module  /  Isolation  /  Amplitude consistency  /  Converter gain  /  Ka-band
Qinying WANG, Chunyu DONG, Dalong ZHU, Yanxiang WANG. Design of High Integration Eight-channel Ka-band Low Noise Down-converter Module[J]. Journal of Telemetry, Tracking and Command, 2024 , 45 (6) : 72 -77 . DOI: 10.12347/j.ycyk.20240515001
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Article Info
doi: 10.12347/j.ycyk.20240515001
  • Receive Date：2024-05-15
  • Online Date：2026-03-19
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History
  • Received：2024-05-15
  • Revised：2024-06-20
Affiliations
    1.Aerospace Long March Rocket Technology Co., Ltd, Beijing 100076, China
    2.Shanghai Areospace Electronics Co. Ltd, Shanghai 201821, China
    3.Aerospace Times FeiHong Technology Company Limited, Beijing 100094, China
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