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IEICE TRANSACTIONS on Fundamentals

A New Analog Correlator Circuit for DS-CDMA Wireless Applications

Mostafa A. R. ELTOKHY, Boon-Keat TAN, Toshimasa MATSUOKA, Kenji TANIGUCHI

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Summary :

A new analog correlator circuit is proposed for direct sequence code division multiple access (DS-CDMA) demodulator. The circuit consists of only 16 switches, 4 capacitors and 2 level shifters. Control sequence requires only three clock phases. Simulation with code length of 127 reveals that the proposed circuit has a good ability to cancel off the charge error and dissipates 3.4mW at 128MHz. The circuit had been designed using a 0.6µm CMOS process. The area of 256µm 245µm is estimated to be 9 times smaller compared to other reported equivalent analog correlators.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E86-A No.5 pp.1294-1301
Publication Date
2003/05/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Spread Spectrum Technologies and Applications

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