Fractional delay sigma-delta upconverter |
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| Authors: | Sobot R. Stapleton S. Syrzycki M. |
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| Affiliation: | Sch. of Eng. Sci., Simon Fraser Univ., Burnaby, BC, Canada; |
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| Abstract: | A new architecture for IF to RF conversion is presented. The architecture is based on a tunable continuous-time bandpass /spl Sigma//spl Delta/ modulator with fractional delay in combination with a Manchester coder and decoder. The suitability of the proposed architecture is discussed in the context of a software-defined radio. Mixed-signal behavioural simulations confirm the validity of the concept. |
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