A fourth order [Sigma] [Delta] bandpass modulator
Author(s)
Hsu, Stephanie C
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Alternative title
4th order [Sigma] [Delta] bandpass modulator
Other Contributors
Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
Advisor
Charles G. Sodini.
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Show full item recordAbstract
A fourth order bandpass [Sigma] [Delta] modulator is proposed to digitize signals from a MEMS gyroscope. The modulator samples the amplitude-modulated signal at eight times the carrier frequency and achieves an SNR of 82dB with a sampling frequency of 640kHz and a bandwidtn o 1.oKnz. ms document snows that bandpass [Sigma] [Delta] modulation offers the advantage of a high oversampling rate without the need to demodulate the signal for lowpass [Sigma] [Delta] modulation.
Description
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2009. In title on title page, "[Sigma]" and "[Delta]" appear as upper-case Greek letters. Cataloged from PDF version of thesis. Includes bibliographical references (p. 57).
Date issued
2009Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer SciencePublisher
Massachusetts Institute of Technology
Keywords
Electrical Engineering and Computer Science.