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Wideband Low Noise Amplifier Design for 2.3–2.4 GHz WiMAX Application

  • Nor Zaihar Yahaya
  • Shahrul Yazid
  • Anwar Osman
  • Helmi Huzairi
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 291)

Abstract

This paper describes the design of a low noise amplifier using negative feedback topology for WiMAX 2.3–2.4 GHz base station application. The negative topology employs an enhancement mode feedback inductor and advanced GaAs PHEMT transistor which yields excellent performance on the critical RF parameters such as noise, gain and linearity. By using the negative feedback topology the design is compact and uses fewer components compared to other state-of-art wideband low noise amplifier designs. The low noise amplifier has been designed on a Rogers 4003C substrate PCB and produced a gain of 12 dB, noise less than 0.7 dB and IIP3 greater than 13 dBm. The design is also matched at both input and output for 50 Ω and proven to be unconditionally stable across the frequency range.

Keywords

WiMAX Wideband LNA Negative feedback 

Notes

Acknowledgements

The authors would like to thank Universiti Teknologi PETRONAS Malaysia funded under UTP-STIRF internal grant no. 36/2011 for providing financial support towards publication of this work.

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Copyright information

© Springer Science+Business Media Singapore 2014

Authors and Affiliations

  • Nor Zaihar Yahaya
    • 1
  • Shahrul Yazid
    • 2
  • Anwar Osman
    • 2
  • Helmi Huzairi
    • 2
  1. 1.Electrical and Electronics Engineering DepartmentUniversiti Teknologi PetronasSeri IskandarMalaysia
  2. 2.Spectre Solutions, Technical SupportGeorge TownMalaysia

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