Monday, 15 November 2010

Wseas Transactions

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Transactions: INTERNATIONAL JOURNAL of CIRCUITS, SYSTEMS and SIGNAL PROCESSING
Transactions ID Number: 19-694
Full Name: Jacek Kolodziej
Position: Professor
Age: ON
Sex: Male
Address: al. A. Mickiewicza 30, C3-404
Country: POLAND
Tel: 126173022
Tel prefix: +48
Fax:
E-mail address: jacek.kolodziej@agh.edu.pl
Other E-mails: ryszard.golanski@agh.edu.pl
Title of the Paper: Filter implementation for CMOS adaptive sampling Delta Modulators
Authors as they appear in the Paper: Ryszard Golanski, Juliusz Godek, Jacek Kolodziej, Witold Machowski, Stanislaw Kuta
Email addresses of all the authors: ryszard.golanski@agh.edu.pl, juliusz.godek@agh.edu.pl, jacek.kolodziej@agh.edu.pl, witold.machowski@agh.edu.pl, stanislaw.kuta@agh.edu.pl
Number of paper pages: 9
Abstract: We illustrate the idea of the building delta modulator/demodulator with the help of the non-uniform sampling method. Each of element, both analog and digital, that is used for this realization can be put together on one chip, making up a piece of the System on Chip circuit or the ASIC chip dedicated to special purpose, such as: measuring, communication, control systems, data compression, data encryption wireless telecommunication. The Adaptive Non-uniform Sampling Delta Modulators (ANS-DM) modulation algorithm implementations, and the codec architecture are described in the paper also. We present a comparative study of integrated CMOS continuous time (CT) analog filters dedicated for speech codecs with adaptive non-uniform sampling. Five CMOS implementations of this block have been studied, four of them fabricated in 0.35 μm CMOS technology. The system considerations and simulation results are shown
Keywords: adaptive delta modulation, CMOS circuits, switched-capacitor filters, continuous time filters, anti-aliasing filters, non-uniform sampling, speech codecs
EXTENSION of the file: .pdf
Special (Invited) Session: A comparative study of integrated CMOS filters for non-uniform sampling Delta Modulators
Organizer of the Session: 201-466
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