A 1.8 to 4 GHz inductor-less highly linear CMOS LNA for wire-less receivers

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Authors

DOI:

https://doi.org/10.54939/1859-1043.j.mst.76.2021.11-20

Keywords:

Inductor-less; Current-reuse; Active feedback; Wide-band; high linearity; Low noise amplifier.

Abstract

This paper presents an inductor-less wide-band highly linear low-noise amplifier (LNA) for wire-less receivers. The inductor-less LNA consists of a complementary current-reuse common source amplifier combined with a low-current active feedback to obtain wide range input impedance matching and low noise figure. In our LNA, a degeneration resistor is utilized to improve linearity of the LNA. Furthermore, we designed a bypass mode for the LNA to extend the range of its applications. The proposed LNA is implemented in 28 nm CMOS process. It has a gain of 14.9 dB and a bandwidth of 2.2 GHz. The noise figure (NF) is 1.95 dB and the third-order input intercept point (IIP3) is 24.8 dBm at 2.3 GHz. It consumes 17.2 mW at a 0.9-V supply and has an area of 0.011 mm2.

References

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Published

12-12-2021

How to Cite

Nguyen Huu Tho. “A 1.8 to 4 GHz Inductor-Less Highly Linear CMOS LNA for Wire-Less Receivers”. Journal of Military Science and Technology, no. 76, Dec. 2021, pp. 11-20, doi:10.54939/1859-1043.j.mst.76.2021.11-20.

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Section

Research Articles