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A CMOS bandpass filter for low-IF bluetooth receivers

Alzaher, H.A. and Alghamdi, M.K. (2006) A CMOS bandpass filter for low-IF bluetooth receivers. Circuits and Systems I: Regular Papers, IEEE Transactions on [Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on], 53.

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Abstract

A CMOS fully integrated 12th-order bandpass filter for low interemdiate frequency Bluetooth receivers is presented. The design is optimized to meet the selectivity and dynamic range requirements of Bluetooth while consuming relatively low power. The filter is based on unity gain cells and utilizes linearized MOSFET resistors for tuning. It exhibits a bandwidth of 1 MHz and a programmable center frequency range of 2 to 4 MHz. Experimental results obtained from a standard 0.5-/spl mu/m CMOS chip show that the filter exhibits an in-band dynamic range of 53.3 dB at gain of 0 dB, and 52 dB at gain of 15 dB, while consuming a total current of 1.32 mA. Attenuations of more than 10, 38, and 55 dB, are achieved for blockers one, two, and three, respectively.



Item Type:Article
Date:August 2006
Date Type:Publication
Subjects:Computer
Divisions:College Of Engineering Sciences > Civil Engineering Dept
Creators:Alzaher, H.A. and Alghamdi, M.K.
ID Code:14248
Deposited By:KFUPM ePrints Admin
Deposited On:24 Jun 2008 16:28
Last Modified:12 Apr 2011 13:14

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