A novel biquad filter circuit for continuous-time sigma-delta modulators
- Kuang, W.V. (Wensheng V.)
- Wight, J. S. (Jim)
Publication date
December 2006
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
A novel biquad circuit is presented that allows the loop filter of a high-order continuous-time sigma-delta modulator to be implemented by cascading low-order biquad sections, considerably easing the design and implementation of the high-order continuous-time sigma-delta modulator. Experiment on a 4th-order bandpass continuous-time sigma-delta modulator is conducted successfully and the results are presented
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