Elwan, H. and Younus, M. and Al-Zaher, H. and Ismail, M. (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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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.
|Divisions:||College Of Engineering Sciences > Electrical Engineering Dept|
|Creators:||Elwan, H. and Younus, M. and Al-Zaher, H. and Ismail, M.|
|Email:||UNSPECIFIED, UNSPECIFIED, firstname.lastname@example.org, UNSPECIFIED|
|Deposited By:||Obaid-Ur-Rehman Khattak|
|Deposited On:||30 Mar 2008 11:14|
|Last Modified:||12 Apr 2011 13:06|
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