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首页> 外文期刊>Japanese journal of applied physics >A 5.4-9.2 GHz 19.5 dB Complementary Metal-Oxide-Semiconductor Ultrawide-Band Receiver Front-End Low-Noise Amplifier
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A 5.4-9.2 GHz 19.5 dB Complementary Metal-Oxide-Semiconductor Ultrawide-Band Receiver Front-End Low-Noise Amplifier

机译：5.4-9.2 GHz 19.5 dB互补金属氧化物半导体超宽带接收机前端低噪声放大器

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摘要

In this work, we present an ultrawide-band (UWB) complementary metal-oxide-semiconductor (CMOS) low-noise amplifier (LNA) for wireless communication in the upper UWB band, that is, from 5.4-9.2 GHz bandwidth with a wide-band 50 Ω input matching network in front of the LNA. A three-stage cascode-topology-based LNA with high-transconductance MOS transistors, was employed to improve the voltage gain up to 23 dB at 7.5 GHz, with 4.5-9.2 GHz 3 dB bandwidth. The maximum output power S_(21) was 19.5dB at 7.3 GHz, with 5.4-9.2 GHz 3 dB bandwidth. The input matching circuit was designed with a reduced number of passive elements, resulting in an input reflection coefficient S_(11) of less than -10dB from 4.5-9.2 GHz. The noise figure of the LNA was as low as 3.5 dB and the input-referred third-order intercept point (IIP3) was -8 dBm. The LNA has output reflection coefficient S_(22) of less than -10dB from 5-7 GHz and a good reverse isolation, that is, S_(12) of < -45 dB in the entire UWB, due to a cascode topology. The LNA was fabricated using 180nm CMOS technology, which consumes 56 mW power at 1.8 V power supply. In this paper, we also demonstrate a wireless communication of 7 GHz Gaussian monocycle pulse (GMP) by horn antennas and the LNA from 20 cm transmission distance.
机译：在这项工作中，我们提出了一种超宽带（UWB）互补金属氧化物半导体（CMOS）低噪声放大器（LNA），用于在UWB较高频段（即5.4-9.2 GHz带宽，较宽带宽）中进行无线通信LNA前面的50频段输入匹配网络。采用具有高导通MOS晶体管的基于三级共源共栅拓扑的LNA，可将7.5 GHz，4.5-9.2 GHz 3 dB带宽的电压增益提高到23 dB。最大输出功率S_（21）在7.3 GHz时为19.5dB，带宽为5.4-9.2 GHz 3 dB。设计输入匹配电路时，需要使用更少数量的无源元件，从而使4.5-9.2 GHz的输入反射系数S_（11）小于-10dB。 LNA的噪声系数低至3.5 dB，输入参考的三阶交调点（IIP3）为-8 dBm。由于级联拓扑，LNA在5-7 GHz范围内具有小于-10dB的输出反射系数S_（22）和良好的反向隔离，即整个UWB中的S_（12）小于-45 dB。 LNA使用180nm CMOS技术制造，在1.8 V电源下消耗56 mW的功率。在本文中，我们还演示了从20 cm传输距离通过喇叭天线和LNA进行7 GHz高斯单周期脉冲（GMP）的无线通信。

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  • 来源
    《Japanese journal of applied physics》 |2011年第4issue2期|p.04DE01.1-04DE01.8|共8页
  • 作者

    Afreen Azhari; Shinichi Kubota; Akihiro Toya; Nobuo Sasaki; Takamaro Kikkawa;

  • 作者单位

    Research Institute for Nanodevice and Bio Systems, Hiroshima University, Higashihiroshima, Hiroshima 739-8527, Japan;

    Research Institute for Nanodevice and Bio Systems, Hiroshima University, Higashihiroshima, Hiroshima 739-8527, Japan;

    Research Institute for Nanodevice and Bio Systems, Hiroshima University, Higashihiroshima, Hiroshima 739-8527, Japan;

    Research Institute for Nanodevice and Bio Systems, Hiroshima University, Higashihiroshima, Hiroshima 739-8527, Japan;

    Research Institute for Nanodevice and Bio Systems, Hiroshima University, Higashihiroshima, Hiroshima 739-8527, Japan;

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