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This paper presents a new theoretical framework for designing the minimum mean squared error (MMSE) matching network for a low noise amplifier (LNA). The MMSE matching network is determined by reformulating the matching problem as a continuous-time estimation problem and solving for the Wiener-Hopf equation. Since the MMSE matching network is in general difficult to implement, a constrained MMSE matching network is also presented. The resulting noise factor of the LNA is computed and compared against different matching strategies.
Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on (Volume:5 )
Date of Conference: 2002