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In this article a novel ultra-wide band low noise amplifier (LNA) by cascading common gate and common source technique is designed for diagnosis and monitoring the chronic cases in health care treatments. The cascaded architecture attains noise figure of 4.4 dB in the required frequency band 2.9–8.6 GHz. The common gate stage offers input matching while the common source stage provides good wide band gain characteristics. The design is implemented in CMOS 90 nm and triggered using the provided voltage of 1 V and attained a gain of 20.1 dB \(\pm \) 1.5 dB in the desired wide band frequency range and obtained input return losses of −10.6 dB, output return losses of −19.4 dB and average power of 33 mw.

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Ultra-Wide Band Linearized Silicon Radio Frequency Low Noise Amplifier for Diagnosis and Monitoring of Chronic Cases in Healthcare

  • 会议论文

  • 发表日期：

    2025年

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  • Sarin Vijay Mythry,
  • Asha Thalange,
  • Shashikant Hippargi,
  • Rakesh Martukar,
  • Chakradhar Adupa,
  • J. Venkateswara Rao,
  • Ganga Santosh Kumar,
  • Gundagoni Nithin

摘要

In this article a novel ultra-wide band low noise amplifier (LNA) by cascading common gate and common source technique is designed for diagnosis and monitoring the chronic cases in health care treatments. The cascaded architecture attains noise figure of 4.4 dB in the required frequency band 2.9–8.6 GHz. The common gate stage offers input matching while the common source stage provides good wide band gain characteristics. The design is implemented in CMOS 90 nm and triggered using the provided voltage of 1 V and attained a gain of 20.1 dB \(\pm \) 1.5 dB in the desired wide band frequency range and obtained input return losses of −10.6 dB, output return losses of −19.4 dB and average power of 33 mw.