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    A 1V folded common-gate CMOS LNA for full UWB band


    Tuan-Phan, Anh and Farrell, Ronan (2009) A 1V folded common-gate CMOS LNA for full UWB band. IEICE Transactions on Electronics , 6 (24). pp. 1745-1751. ISSN 0916-8524

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    Abstract

    This paper presents a low voltage 2.8-11.2GHz CMOS broadband low noise amplifier (LNA) using folded common-gate (CG) topology. The broadband input matching is achieved by adopting CG topology. Bandwidth extension is proposed by inserting an inductor to create a broadband band-pass characteristic with a choke inductor. A folded topology is employed to reduce the supply voltage and thus power consumption. A source follower jointly acts as the buffer stage for broadband output impedance matching and feed-forward path for gain enhancement. Maximum power gain is 11.2dB and the NF ranges from 2.58 to 4dB over the full band. The LNA achieves an average IIP3 of -6.5dBm while consumes only 4.6mW.The proposed broadband LNA is designed in 0.18-µm CMOS process from 1V supply.

    Item Type: Article
    Keywords: UWB LNA; folded topology; low power; CMOS;
    Academic Unit: Faculty of Science and Engineering > Electronic Engineering
    Item ID: 3685
    Depositing User: Dr. Ronan Farrell
    Date Deposited: 28 May 2012 12:50
    Journal or Publication Title: IEICE Transactions on Electronics
    Publisher: Institute of Electronics, Information and Communication Engineers
    Refereed: Yes
    URI:

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