A 0.08–3GHz high gain UWB LNA with improved flatness

机译：0.08–3GHz高增益UWB LNA，具有改善的平坦度

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摘要

An ultra-wide band (UWB) low noise amplifier (LNA) of bandwidth 0.08–3GHz, gain more than 28dB, flatness fluctuating in ± 1dB and noise-figure less than 2.3dB is designed and tested. This LNA utilizes the characteristic of reactance value changing with frequency, especially, adopts capacitance negative-feedback in source electrode to compensate the decrease of high frequency gain. Comparing with traditional inductance negative feedback between drain electrode and gate electrode, this adding capacitance feedback can improve gain-flatness obviously. Furthermore, a transmission line of λ/4 is used to achieve broadband match of input and output port, as a result, the voltage standing-wave ratio (VSWR) of input and output port don't exceed 2. Simulated and measured results are in good agreement.

机译：设计并测试了带宽为0.08–3GHz，增益大于28dB，平坦度波动在±1dB且噪声系数小于2.3dB的超宽带（UWB）低噪声放大器（LNA）。该LNA利用电抗值随频率变化的特性，特别是在源电极中采用电容负反馈来补偿高频增益的降低。与漏电极和栅电极之间的传统电感负反馈相比，这种增加的电容反馈可以明显提高增益平坦度。此外，使用λ/ 4的传输线实现输入和输出端口的宽带匹配，因此，输入和输出端口的电压驻波比（VSWR）不超过2。非常一致。

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来源
《2013 International Workshop on Microwave and Millimeter Wave Circuits and System Technology》|2013年|411-414|共4页
会议地点 Emeishan(CN)
作者
Hua Chen; Peng Gao; Shuang He; Bin Yuan;
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作者单位

Research Institute of Electronic Science and Technology, University of Electronic Science and Technology of China, Chengdu, 611731, Chinac;

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原文格式 PDF
正文语种 eng
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关键词
broadband matching; capacitance negative-feedback; low noise amplifier; ultra-wide band;

机译：宽带匹配；电容负反馈；低噪声放大器；超宽带；;

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专利

1. Design of Flat Gain LNA for 3.1-10.2GHz Band UWB Applications in 0.18μm CMOS Process [J] . R. K. Pokharel, A. I. A. Galal, H. Kanaya, 電子情報通信学会技術研究報告. マイクロ波. Microwaves . 2008,第195期

机译：适用于0.18μmCMOS工艺中3.1-10.2GHz频段UWB应用的平坦增益LNA设计
2. Design of Flat Gain LNA for 3.1-10.2GHz Band UWB Applications in 0.18μm CMOS Process [J] . R. K. Pokharel, A. I. A. Galal, H. Kanaya, 電子情報通信学会技術研究報告 . 2008,第195期

机译：适用于0.18μmCMOS工艺中3.1-10.2GHz频段UWB应用的平坦增益LNA设计
3. A 3.1–10.6?GHz UWB LNA Based on Self Cascode Technique for Improved Bandwidth and High Gain [J] . Sunil Pandey, Tushar Gawande, P. N. Kondekar Wireless personal communications: An Internaional Journal . 2018,第4期

机译：3.1-10.6？GHz UWB LNA，基于自级级码技术，提高带宽和高增益
4. A 0.08–3GHz high gain UWB LNA with improved flatness [C] . Hua Chen, Peng Gao, Shuang He, International Workshop on Microwave and Millimeter Wave Circuits and System Technology . 2013

机译：具有改善的平坦度的0.08-3GHz高增益UWB LNA
5. A Broadband Millimeter Wave LNA in 65nm CMOS Technology with Minimized Gain and Noise Variations [D] . Dadnam, Fariborz 2013

机译：采用65nm CMOS技术的宽带毫米波LNA，具有最小的增益和噪声变化
6. Improving the Accuracy of Decawave’s UWB MDEK1001 Location System by Gaining Access to Multiple Ranges [O] . Antonio R. Jiménez, Fernando Seco 2021

机译：通过获得多个范围的访问提高DeCave的UWB MDEK1001位置系统的准确性
7. A flat-gain LNA based on LTCC technology at UHF (300-500 MHz) [O] . Rafael R. Heymann, Juan P. Pantoja, Leonardo L. Bravo Roger, 2016

机译：基于UHF（300-500 MHz）的LTCC技术的平面增益LNA

A 0.08–3GHz high gain UWB LNA with improved flatness

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