Ku-Band LNA with HEMT and MMIC

Dai Yongsheng

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Ku-Band LNA with HEMT and MMIC

更新时间：2025-12-08

- Ku-Band LNA with HEMT and MMIC
- Acta Electronica Sinica Issue 5, Pages: 94-96(1992)
- 作者机构：
  
  南京电子器件研究所,南京,210016
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1992
- 稿件说明：
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[1]戴永胜.具有HEMT和MMIC的Ku波段低噪声放大器[J].电子学报,1992(05):94-96.

Dai Yongsheng. Ku-Band LNA with HEMT and MMIC[J]. Acta Electronica Sinica, 1992, (5): 94-96.
[1]戴永胜.具有HEMT和MMIC的Ku波段低噪声放大器[J].电子学报,1992(05):94-96. DOI：

Dai Yongsheng. Ku-Band LNA with HEMT and MMIC[J]. Acta Electronica Sinica, 1992, (5): 94-96. DOI：

摘要

本文介绍了由HEMT和MMIC组成的一种新颖的Ku波段低噪声放大器

放大器第一级采用了HEMT和反馈技术以同时获得噪声和增益的最佳化

讨论了这种放大器的设计

MMIC采用了二次混合微波集成

放大嚣输入和输出端均为BJ-120波导。在11.7—12.2GHz频率下

放大器噪声系数小于1.9dB

增益大于27±0.25dB

输入和输出驻波比小于1.4。

Abstract

In this paper a novel Ku-band LNA with HEMT and MMIC is presented. HEMT andfeedback technology are used in the first stage of the amplifier

to achieve the optimization of noise figure and gain simultaneously. The design mathod for the amplifier is discussed. Twice hybrid microwave integrated circuit technology is used for MMIC. An input/output of the amplifier is BJ-120 waveguide. The amplifier has demonstrated noise figure of 1.9 dB with gain of 27±0.25 dB and an input/output VSWR less than 1.4 at the frequency range of 11.7--12.2GHz.

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