The Design of 5.25 GHz Low Noise Amplifier

Qian Wei; Jing Ping Liu; Lu Wang; Hui Chang Zhao

doi:10.4028/www.scientific.net/AMM.421.658

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 421The Design of 5.25 GHz Low Noise Amplifier

The Design of 5.25 GHz Low Noise Amplifier

Abstract:

This paper has designed a 5.25 GHz low noise amplifier. We used a low noise field effect tube (ATF36077) to design two slopes of low noise amplifier which improved the gain, and used a cross junction structure to make the input matching circuit. Besides, the amplifier enhanced the stability of the circuit through adding the microstrip in the source of 36077 as a negative feedback. The measurement results show in the 4.9 GHz to 5.3 GHz frequency band, low noise amplifier gain is 21 dB, less noise factor is less than 2 dB, and bandwidth is about 400MHz.

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Periodical:

Applied Mechanics and Materials (Volume 421)

Pages:

658-662

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.421.658

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Online since:

September 2013

Authors:

Qian Wei, Jing Ping Liu, Lu Wang, Hui Chang Zhao

Keywords:

Gain, Low Noise Amplifier, Noise Coefficient

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References

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