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Digitally tuned ana...
Digitally tuned analogue integrated filters using R-2R ladder
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Alzaher, H. A. (författare)
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Ismail, Mohammed (författare)
- Institution of Engineering and Technology (IET), 2000
- 2000
- Engelska.
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Ingår i: Electronics Letters. - : Institution of Engineering and Technology (IET). - 0013-5194 .- 1350-911X. ; 36:15, s. 1278-1280
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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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 channel-select filter of a multi-standard direct conversion wireless receiver and the bandpass filter of a low IF frequency-hopping receiver.
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