An ultra-low power integrated T/R module for space-based radar technology

H. Kazemi, J. Hacker, H. Xin, M. Grace, B. Norvell, K. Higgins, M. Gilbert
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引用次数: 4

Abstract

The choice of InP HEMT technology is discussed for a highly efficient integrated T/R module. The module includes a receive path comprising of a low noise amplifier, phase shifter and amplifier consuming only 5 mW of DC power at X-band. The transmit path combines phase shifters and amplifiers to provide 10 mW of power per module at an efficiency of 50%. This is achieved by increasing the cut-off frequency of InP HEMT devices and sacrificing their gain for lower DC power consumption. This provides both DC and RF performance criteria for the space based radar antenna design requirements. Future T/R module technologies are also discussed, based on the antimonide based material system, which have already shown a factor of 3-4 reduction in DC power consumption compared to InP HEMT technology.
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一种用于天基雷达技术的超低功耗集成T/R模块
讨论了高效集成T/R模块中InP HEMT技术的选择。该模块包括一个由低噪声放大器、移相器和在x波段仅消耗5 mW直流功率的放大器组成的接收路径。传输路径结合移相器和放大器,以50%的效率为每个模块提供10兆瓦的功率。这是通过提高InP HEMT器件的截止频率和牺牲其增益来降低直流功耗来实现的。这为天基雷达天线的设计要求提供了直流和射频性能标准。未来基于锑基材料系统的T/R模块技术也进行了讨论,与InP HEMT技术相比,该技术已经显示出直流功耗降低3-4倍。
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