CMOS baseband filter for WCDMA integrated wireless recievers

(2000) CMOS baseband filter for WCDMA integrated wireless recievers. Electron. Letters, 36 (18). pp. 1515-1516.

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A new second-order lowpass filter based on a single CMOS fully differential current conveyor is presented. Developed from the Sallen-Key highpass filter, the proposed filter is AC coupled and provides programmable gain. Moreover, the filter exhibits low noise, high linearity and low power, making it suitable for implementing the baseband filter of a WCDMA direct-conversion wireless receiver. A WCDMA filter having a programmable bandwidth around 2.1 MHz, a variable gain range of 50 dB and a DC notch below 2 kHz using passive components below 5 kW for resistors and 20 pF for capacitors is implemented. Experimental and simulation results obtained from fabricated chips are included

Item Type: Article
Subjects: Electrical
Department: College of Engineering and Physics > Electrical Engineering
Depositing User: Obaid-Ur-Rehman Khattak
Date Deposited: 30 Mar 2008 08:13
Last Modified: 01 Nov 2019 13:25