A Wideband Common-Gate Low Noise Amplifier using Negative-Positive Feedback Technique

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Takbiri Majid; BIJARI ABOLFAZL; RAZAVI SEYYED MOHAMMAD

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Journal: ELECTRONIC INDUSTRIES Year:2017 | Volume:8 | Issue:3 Page(s): 41-52

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Information Journal Paper

Title

A Wideband Common-Gate Low Noise Amplifier using Negative-Positive Feedback Technique

Author(s)

Takbiri Majid | BIJARI ABOLFAZL | RAZAVI SEYYED MOHAMMAD | Issue Writer Certificate

Keywords

Negative-positive feedbackQ1

Gm-boostingQ1

WidebandQ1

Low Noise AmplifierQ1

TransformerQ1

Abstract

In this paper, a Wideband two-stage low-noise amplifier (LNA) is presented. The proposed architecture achieves Wideband matching, low noise figure and high flat gain simultaneously by employing a Negative-positive feedback technique. A common-gate input stage exploits a Gm-boosting technique to achieve noise-reduction. In addition, a positive Transformer feedback is used to add a degree of freedom in determining the transconductance of the impedance matching transistor. The proposed LNA has been designed and simulated using TSMC 0. 18-μ m standard RF CMOS process. Simulation results show that LNA achieves a return loss (S11) of below-10 dB, a noise figure (NF) of 2. 6– 3 dB, a flat power gain (S21) of 18± 0. 5 dB, and an IIP3 of 7 dBm, over a bandwidth of 6. 5– 10. 5 GHz. Designed LNA consumes 8 mW from a low power supply of 0. 85 V.

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APA: Copy

Takbiri, Majid, BIJARI, ABOLFAZL, & RAZAVI, SEYYED MOHAMMAD. (2017). A Wideband Common-Gate Low Noise Amplifier using Negative-Positive Feedback Technique. ELECTRONIC INDUSTRIES, 8(3 ), 41-52. SID. https://sid.ir/paper/229705/en

Vancouver: Copy

Takbiri Majid, BIJARI ABOLFAZL, RAZAVI SEYYED MOHAMMAD. A Wideband Common-Gate Low Noise Amplifier using Negative-Positive Feedback Technique. ELECTRONIC INDUSTRIES[Internet]. 2017;8(3 ):41-52. Available from: https://sid.ir/paper/229705/en

IEEE: Copy

Majid Takbiri, ABOLFAZL BIJARI, and SEYYED MOHAMMAD RAZAVI, “A Wideband Common-Gate Low Noise Amplifier using Negative-Positive Feedback Technique,” ELECTRONIC INDUSTRIES, vol. 8, no. 3 , pp. 41–52, 2017, [Online]. Available: https://sid.ir/paper/229705/en

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