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Document Type : Latin Dissertation
Language of Document : English
Record Number : 149392
Doc. No : ET21184
Main Entry : Yongjie Cheng
Title Proper : DESIGN AND REALIZATION OF A SINGLE STAGE SIGMA-DELTA ADC WITH LOW OVERSAMPLING RATIO
Note : This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract : Due to the rapid growth of the communication market, a large amount of researchis in process toward a high speed and high resolution sigma-delta A/D converter. Thisdissertation focuses on the design of a single-stage sigma-delta AID converter with verylow oversampling ratio for the wireless application. An architecture for a multibit single-stage delta-sigma A/D converter with two-step quantization is proposed. Both the MSBand LSB signals produced by the two-step quantization are fed back simultaneously to allintegrator stages, making it suitable for low oversampling ratios. The two-step ADCavoids the problem that the complexity of an internal flash ADC increases exponentiallywith each added bit. A segmented architecture with coarselfine DEM and DAC is.
Subject : Electericl tess
: برق
electronic file name : TL44336.pdf
Title and statement of responsibility and : DESIGN AND REALIZATION OF A SINGLE STAGE SIGMA-DELTA ADC WITH LOW OVERSAMPLING RATIO [Thesis]
 
 
 
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