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Analytical Expression Based Design of a Low-Voltage FD-SOI CMOS Low-Noise Amplifier
Takao KIHARA Guechol KIM Masaru GOTO Keiji NAKAMURA Yoshiyuki SHIMIZU Toshimasa MATSUOKA Kenji TANIGUCHI
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Online ISSN: 1745-1337
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
low-noise amplifier (LNA), FD-SOI CMOS, noise, linearity, low-voltage,
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We propose a design methodology of a low-voltage CMOS low-noise amplifier (LNA) consisting of a common-source and a common-gate stages. We first derive equations of power gain, noise figure (NF) and input third-order intercept point (IIP3) of the two-stage LNA. A design methodology of the LNA is presented by using graphs based on analytical equations. A 1-V 5.4-GHz LNA was implemented in 0.15-µm fully-depleted silicon-on-insulator (FD-SOI) CMOS technology. Measurement results show a power gain of 23 dB, NF of 1.7 dB and IIP3 of -6.1 dBm with a power consumption of 8.3 mW. These measured results are consistent with calculated results, which ensures the validity of the derived equations and the proposed design methodology.