A Simplified Illustration of Arbitrary DAC Waveform Effects in Continuous Time Delta-Sigma Modulators(<Special Section>VLSI Design and CAD Algorithms)
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概要
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In this paper a straight-forward approach to extract the equivalent loop-gain of a continuous time Delta-Sigma modulator with an arbitrary DAC waveform in z-domain is presented. In this approach the arbitrary DAC waveform is approximated by the infinite number of rectangular pulse shapes. Then simply using the transformations available in literatures for a rectangular DAC pulse shape and applying superposition on each rectangular pulse shape, the loop-gain of the system is derived in z-domain.
- 社団法人電子情報通信学会の論文
- 2005-12-01
著者
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Shamsi Hossein
Univ. Tehran Irn
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Shamsi Hossein
Ic Design Center University Of Tehran
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Shoaei Omid
Ic Design Center University Of Tehran
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- A Simplified Illustration of Arbitrary DAC Waveform Effects in Continuous Time Delta-Sigma Modulators(VLSI Design and CAD Algorithms)
- Low-Voltage Sigma-Delta Modulator Topologies for Broadband Communications Applications(Analog Circuit and Device Technologies)
- A Reduced-Sample-Rate Sigma-Delta-Pipeline ADC Architecture for High-Speed High-Resolution Applications(Analog Circuit and Device Technologies)
- A New Infrastructure for Digital Pre-Filtering in Multi-bit Continuous Time Delta Sigma Modulators(Electronic Circuits)