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Graphical optimization of common-gate LNA

 
: Stücke, T.; Christoffers, N.; Kokozinski, R.; Kolnsberg, S.; Hosticka, B.J.

Malcovati, P. ; Institute of Electrical and Electronics Engineers -IEEE-:
PRIME 2006. 2nd Conference on Ph.D. Research in MicroElectronics and Electronics. Proceedings : 11 - 16 June 2006, Otranto (Lecce), Italy
Piscataway, NJ, USA: IEEE Press, 2006
ISBN: 1-4244-0156-9
pp.453-456
Conference PhD Research in Microelectronics and Electronics (PRIME) <2, 2006, Otranto>
English
Conference Paper
Fraunhofer IMS ()
CG-LNA; constrained optimization; low power; low noise amplifier

Abstract
In this paper a novel optimization strategy for common gate LNAs (CG-LNAs) is presented. It based on the modeling of the MOSFET behavior with its intrinsic and extrinsic parasitics in all possible areas of operation. The model leads to a graphical strategy, which shows the advantages of an operating point in moderate inversion in case of a short channel device. Furthermore, it shows how the tradeoff between low input reflection S11 and minimum noise figure N F must be made in case of a short channel device.

: http://publica.fraunhofer.de/documents/N-46864.html