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A micropower-compatible time-multiplexed SC speech spectrum analyzer design

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A micropower-compatible time-multiplexed SC speech spectrum analyzer design

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Title: A micropower-compatible time-multiplexed SC speech spectrum analyzer design
Author: Chang, Joseph Sylvester; Tong, Yit Chow
Copyright year: 1993
Abstract: A micropower-compatible time-multiplexed sc speech spectrum analyzer embodying several new design methodologies is described. In the bandpass filter (BPF) section, the dc offset differences between channels are reduced by a careful biquadratic filter design, and a capacitor sharing technique is employed to reduce chip area. A new time-multiplexed fullwave rectifier (FWR) is also proposed. Expressions for the errors that limit the accuracy of the running spectrum due to nonidealities are formulated. An experimental four-channel spectrum analyzer has been fabricated and measurements from prototypes showed that the proposed design methodologies are satisfactory in achieving the design specifications.
Subject: DRNTU::Engineering::Electrical and electronic engineering.
Type: Journal Article
Series/ Journal Title: IEEE journal of solid-state circuits
School: School of Electrical and Electronic Engineering
Rights: © 1993 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
Version: Published version

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