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High-Speed Data Converters Make Direct-Sampling Receivers Practical (.PDF Download)


Communications receiver architecture has evolved slowly over the years. The most common and successful configuration is the superheterodyne architecture, which translates the incoming signal to a lower (or higher) intermediate frequency (IF), where bandwidth and gain can be controlled. Since then, newer digital modulation modes have fostered some new architectures. The most recent configuration is the direct-sampling architecture that has been enabled by super-fast analog-to-digital

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