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Design Issues in Switched Capacitor Ladder Filters
Kolkata, India January 03-January 07
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICVD.2005.7218th International Conference on VLSI ...
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Arindam Basu, Indian Institute of Technology-Kharagpur
A. S. Dhar, Indian Institute of Technology-Kharagpur
This paper describes the design of a switched capacitor ladder filter and explores the optimization of the Opamps for reducing power consumption. A rough but quick optimization method of the opamp is suggested depending on the settling requirement for a desired accuracy. A method for approximately analyzing the noise in different types of switched capacitor circuits is also presented. The results are compared with simulations and exhibit a close match. A prototype filter has been laid out in a .25um process and has been sent for fabrication.
Citation:
Arindam Basu, A. S. Dhar, "Design Issues in Switched Capacitor Ladder Filters," vlsid, pp.862-865, 18th International Conference on VLSI Design held jointly with 4th International Conference on Embedded Systems Design (VLSID'05), 2005
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