低噪声放大器与带通滤波器的协同设计研究

2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT) Pub Date : 2012-05-05 DOI:10.1109/ICMMT.2012.6230060

Jing Li, R. Ma, L. Han, Rongcao Yang, Wenmei Zhang

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引用次数: 3

摘要

本文去掉了低噪声放大器(LNA)和带通滤波器(BPF)之间的传统50Ω接口，提出了一种协同设计的LNA-BPF。BPF用于抑制谐波，并作为LNA的匹配网络。测量结果表明，在2.5GHz频段，共同设计的lna滤波器电压增益为15.04 dB，噪声系数为3.9 dB，三次谐波抑制为66.17dB, PI1dB为-13dBm。与具有50Ω接口的传统版本相比，共同设计的版本获得了更大的电压增益，更好的PI1dB和三次谐波抑制，并且更加紧凑。仿真结果与实测结果吻合较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A co-design study of low noise amplifier and band-pass filter

In this paper, the traditional 50Ω interface between the LNA (low-noise amplifier) and the BPF (band-pass filter) is removed, and a co-designed LNA-BPF is presented. The BPF is used to suppress the harmonics and acts as the matching network of LNA. The measured results show, at 2.5GHz, the co-designed LNA-filter achieves a voltage gain of 15.04 dB, a noise figure of 3.9 dB, 3rd harmonic suppression of 66.17dB and PI1dB of -13dBm. Compared with traditional versions with 50Ω interfaces, the co-designed version obtains a large voltage gain, better PI1dB and 3rd harmonic suppression and is more compact. Good agreement between the measured and simulated results is achieved.

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来源期刊

2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT)

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