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A comparative study of CMOS LNAs

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3 Author(s)
Saleh, S.A. ; Dept. of Microsyst. Eng., Univ. of Freiburg, Freiburg ; Ortmanns, M. ; Manoli, Y.

Three CMOS RF low noise amplifier circuits have been designed and simulated. These LNAs are intended for use in 402-405 MHz medical implant communication service transceivers. The inductively degenerated common source LNA (CS-LNA) topology is currently popular because it achieves high gain, low noise figure, and high linearity. In this paper cascode LNA with inductive source degeneration, LC folded cascode LNA topology and current reuse technique are used in a CMOS CS-LNA with inductive source degeneration. The performance target is to achieve a moderate gain and moderate noise figure without overly degrading the linearity.

Published in:

Circuit Theory and Design, 2007. ECCTD 2007. 18th European Conference on

Date of Conference:

27-30 Aug. 2007