Second and third-order distortion suppression technique for noise canceling CMOS LNAs

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概要

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• A technique for simultaneous cancellation of noise, second-order distortion and third-order distortion in CMOS LNAs is presented. The proposed LNA topology consists of a matching stage and two common-source amplifier stages, performing single-ended to differential signal conversion with balanced output. The second and third-order nonlinearity of the individual amplifiers as well as the distortion caused by the interaction between the stages are suppressed to achieve high IIP3. A method for intrinsic cancellation of the second-order interaction is employed to reduce the dependence of the IIP3 on the frequency spacing between the interfering signals in the two-tone test.

• The Institute of Electronics, Information and Communication Engineersの論文

著者

• Saeedi Saeed

  Electrical Engineering Department, Sharif University of Technology

• Atarodi Mojtaba

  Electrical Engineering Department, Sharif University of Technology

関連論文

• Second and third-order distortion suppression technique for noise canceling CMOS LNAs

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