Abstract:
本文介绍一种采用波导一体化结构的Ku波段卫星接收高频头。它包含有:波导结构的双级HEMT低噪声放大器、GaAs FET混频器、介质谐振器稳频GaAs FET振荡器、以及前置中放等部分。由于采用波导一体化设计,电路损耗小、性能指标高、结构紧凑、体积小。实测结果表明,该LNB的噪声系数小于1.5dB,总增益大于50dB,本振频稳度优于±0.5ppm/℃。
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Year: 1993
Language: Chinese
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 4
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