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《Acta Scicentiarum Naturalum Universitis Pekinesis》 2003-05
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Design of Analog Circuits in Σ-Δ Modulator

YANG Hong SHENG Shimin (Department of Microelectronics,Peking University,Beijing,100871)  
Based on the brief description of the principle of Σ-ΔADC and analyses of modulators noise characteristics,the Top-down design method of modulators is introduced.Then,combining with practical requirement,this paper focuses on the discussion of designing the analog circuits in a Σ-Δ modulator.Some key of design,circuit details and simulation results are also presented.
【Fund】: 总装备部 2 0 0 2年预研项目 (4 130 80 10 30 3)
【CateGory Index】: TN761
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