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Calibration method for direct conversion receiver front-ends

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Author(s): R. Müller | H.-J. Jentschel

Journal: Advances in Radio Science - Kleinheubacher Berichte
ISSN 1684-9965

Volume: 6;
Start page: 119;
Date: 2008;
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ABSTRACT
Technology induced process tolerances in analog circuits cause device characteristics different from specification. For direct conversion receiver front-ends a system level calibration method is presented. The malfunctions of the devices are compensated by tuning dominant circuit parameters. Thereto optimization techniques are applied which use measurement values and special evaluation functions.
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