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Digitally tuned analogue integrated filters using R-2R ladder

Al-Zaher, H. and Ismail, M. (2000) Digitally tuned analogue integrated filters using R-2R ladder. Electronic Letters, 36 (15). pp. 1278-1280.

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Abstract

A new technique for designing digitally tuned frequency selective analogue integrated circuits is proposed. The technique incorporates the R-2R ladder as a circuit element into the circuit design to provide precise frequency characteristics that can be tuned over a wide range. Two filters are described to illustrate the proposed approach. The proposed filters are used to implement the lowpass channel-select filter of a multi-standard direct conversion wireless receiver and the bandpass filter of a low IF frequency-hopping receiver



Item Type:Article
Date:July 2000
Date Type:Publication
Subjects:Electrical
Divisions:College Of Engineering Sciences > Electrical Engineering Dept
Creators:Al-Zaher, H. and Ismail, M.
Email:alzaherh@kfupm.edu.sa, UNSPECIFIED
ID Code:851
Deposited By:Obaid-Ur-Rehman Khattak
Deposited On:30 Mar 2008 11:13
Last Modified:12 Apr 2011 13:06

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