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A C To Ku Band Ultra-wideband LNA With RLC-Feedback And T-matching Network

机译:具有RLC反馈和T匹配网络的KU频段超宽带LNA

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In this paper, a C to Ku band ultra-wideband low noise amplifier (LNA) are presented. By employing an RLC series network between the gate and drain of the transistor, the LNA circuit can operate at a wide frequency band while maintaining a stable impedance due to feedback of the RLC series network. In addition, a T-matching network is introduced as the inter-stage matching to increase power transfer and achieve frequency filtering. Using a standard 0.25um phemt GaAs process, the proposed LNA exhibits 14 dB gain and a noise figure of 2.3 dB to 3.5 dB from 6 to18 GHz, while the input and output return loss are less than 10 dB, respectively.
机译:在本文中,提出了一种C到KU频段超宽带低噪声放大器(LNA)。通过在晶体管的栅极和漏极之间采用RLC系列网络,LNA电路可以在宽频带处运行,同时由于RLC系列网络的反馈而保持稳定的阻抗。另外,将T匹配网络作为级间匹配引入增加功率传输和实现频率滤波。使用标准的0.25um phemt GaAs工艺,所提出的LNA呈现14 dB增益,噪声系数为2.3 dB至3.5 dB,从6到18 GHz,输入和输出返回损耗分别小于10 dB。

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