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  • 标题:Design of A high performance low-power consumption discrete time Second order Sigma-Delta modulator used for Analog to Digital Converter
  • 本地全文:下载
  • 作者:Radwene LAAJIMI ; Mohamed MASMOUDI
  • 期刊名称:International Journal of Advanced Computer Science and Applications(IJACSA)
  • 印刷版ISSN:2158-107X
  • 电子版ISSN:2156-5570
  • 出版年度:2012
  • 卷号:3
  • 期号:11
  • DOI:10.14569/IJACSA.2012.031118
  • 出版社:Science and Information Society (SAI)
  • 摘要:This paper presents the design and simulations results of a switched-capacitor discrete time Second order Sigma-Delta modulator used for a resolution of 14 bits Sigma-Delta analog to digital converter. The use of operational amplifier is necessary for low power consumption, it is designed to provide large bandwidth and moderate DC gain. With 0.35µm CMOS technology, the S? modulator achieves 86 dB dynamic range, and 85 dB signal to noise ratio (SNR) over an 80 KHz signal bandwidth with an oversampling ratio (OSR) of 88, while dissipating 9.8mW at ±1.5V supply voltage.
  • 关键词:thesai; IJACSA; thesai.org; journal; IJACSA papers; CMOS technology; Analog-to-Digital conversion; Low power electronics; Sigma-Delta modulation; switched-capacitor circuits; transconductance operational amplifier.
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