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High-speed switched-current matched filter for WCDMA receivers

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3 Author(s)
Worapishet, A. ; Mahanakorn Microelectron. Res. Centre, Mahanakorn Univ. of Technol., Bangkok, Thailand ; Sirisuk, P. ; Tanoi, S.

A matched filter (MF) based upon the cascoded class AB SI technique is presented for spread-spectrum communication receivers. Accomplished through both architectural and circuit developments, the filter's features include low power, high speed and compatibility with standard CMOS process inherent to SI signal processing. For performance assessment, a 31-tap 80 MS/s SI MF for despreading task in future high-speed WCDMA receivers is demonstrated.

Published in:

Electronics Letters  (Volume:40 ,  Issue: 11 )