Continuous Time Delta-Sigma Modulators with Arbitrary DAC Waveforms
Publish place: 14th Iranian Conference on Electric Engineering
Publish Year: 1385
Type: Conference paper
Language: English
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Document National Code:
ICEE14_277
Index date: 15 July 2008
Continuous Time Delta-Sigma Modulators with Arbitrary DAC Waveforms abstract
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 literature 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.
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Continuous Time Delta-Sigma Modulators with Arbitrary DAC Waveforms authors
Hossein Shamsi
ECE Department, University of Tehran, Iran
Omid Shoaei
ECE Department, University of Tehran, Iran
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