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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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
|Divisions:||College Of Engineering Sciences > Electrical Engineering Dept|
|Creators:||Al-Zaher, H. and Ismail, M.|
|Deposited By:||Obaid-Ur-Rehman Khattak|
|Deposited On:||30 Mar 2008 11:13|
|Last Modified:||12 Apr 2011 13:06|
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