(2002) A buffer-Based Baseband Analog Front End for CMOS Bluetooth Receivers. IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, 49 (8). pp. 545-554.

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Abstract

A CMOS low-power baseband analog front end (BAFE) for an integrated bluetooth receiver is presented. The BAFE is designed using a new fully differential buffer (FDB) circuit that can effectively implement filters with gain/filtering interleaved operations. The BAFE utilizes five FDB circuits to implement a sixth-order low noise high linear prefilter, a sixth-order MOS-C tunable filter and a variable gain amplifier (VGA). The distribution of gain and filtering between the various blocks simplifies the design of the VGA stages and allows a good compromise between the input referred noise and the overall linearity. The analog front end is fabricated using a regular 1.2-/spl mu/m CMOS process and occupies an area of 1.7 mm /spl times/ 1.7 mm. Measurements results indicate that the total standby current consumption is less than 2.4 mA while providing a gain control range from 12-30 dB in 6-dB step. The input referred noise is less than 42 nV//spl radic/(Hz) and the out-of-band IIP3 of more than 12 dBm.

Item Type:	Article
Subjects:	Electrical
Department:	College of Engineering and Physics > Electrical Engineering
Depositing User:	Obaid-Ur-Rehman Khattak
Date Deposited:	30 Mar 2008 08:14
Last Modified:	01 Nov 2019 13:25
URI:	http://eprints.kfupm.edu.sa/id/eprint/842