Calibration of signal feedback through VCO's
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Abstract
A method and system for calibration of a primary signal processing path without interruption of signal processing utilizes a calibration signal processing path which is periodically used to process a signal concurrently with processing in the primary path. Any difference is compensated by gain adjustment in the primary path. In one form, a plurality of primary paths are sequentially compared with a calibrated path. The calibrated path is periodically checked using a precision reference and any error is corrected before comparison of the primary paths.
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Current AssigneeGeneral Electric Company
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Original AssigneeGeneral Electric Company
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InventorsKumar, Ajith K., Cooke, Philip R., Stitt, Thomas D.
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Primary Examiner(s)Ip, Paul
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Application NumberUS07/873,328Time in Patent Office452 DaysField of Search318/138, 318/254, 318/439, 318/560-640, 318/800-820, 318/780-790, 363/54-57, 363/40-43, 323/285US Class Current318/618CPC Class CodesH02P 23/0077 Characterised by the use of...H02P 27/06 using dc to ac converters o...
