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Digitally tuned analogue integrated filters using R-2R ladder
2000 (English)In: Electronics Letters, ISSN 0013-5194, E-ISSN 1350-911X, Vol. 36, no 15, 1278-1280 p.Article in journal (Refereed) Published
Abstract [en]

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 channel-select filter of a multi-standard direct conversion wireless receiver and the bandpass filter of a low IF frequency-hopping receiver.

Place, publisher, year, edition, pages
2000. Vol. 36, no 15, 1278-1280 p.
URN: urn:nbn:se:kth:diva-19955ISI: 000088677700017OAI: diva2:338647
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Ismail, Mohammed
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