Linearity improvement of differential CMOS low noise amplifier

Muhamad, Maizan and Soin, Norhayati and Ramiah, Harikrishnan (2019) Linearity improvement of differential CMOS low noise amplifier. Indonesian Journal of Electrical Engineering and Computer Science, 14 (1). pp. 407-412. ISSN 2502-4752, DOI

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This paper presents the linearity improvement of differential CMOS low noise amplifier integrated circuit using 0.13um CMOS technology. In this study, inductively degenerated common source topology is adopted for wireless LAN application. The linearity of the single-ended LNA was improved by using differential structures with optimum biasing technique. This technique achieved better LNA and linearity performance compare with single-ended structure. Simulation was made by using the cadence spectre RF tool. Consuming 5.8mA current at 1.2V supply voltage, the designed LNA exhibits S21 gain of 18.56 dB, noise figure (NF) of 1.85 dB, S11 of −27.63 dB, S22 of-34.33 dB, S12 of −37.09 dB and IIP3 of-7.79 dBm. © 2019, Institute of Advanced Engineering and Science. All rights reserved.

Item Type: Article
Uncontrolled Keywords: CMOS; Differential; Linearity; Low noise amplifier (LNA); Noise figure (NF)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Mar 2020 02:51
Last Modified: 04 Mar 2020 02:52

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