文件名称:
Theoretical Comparison of Direct-Sampling Versus Heterodyne RF Receivers
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上传时间: 2018-11-28
详细说明: Abstract—An intuitive high-level argument is presented suggesting that direct-sampling radio frequency (RF) receivers using Nyquist analog–digital converters can be as power-efficient as analog heterodyne receivers for equal dynamic range specifications, at least at lower RF frequencies well below the ft of the IC process. System planning for direct-sampling receivers is reviewed, highlighting dBFS/Hz as an intrinsic measure of dynamic range, independent of channel and Nyquist bandwidths. Power dissipation versus dynamic range f or recently reported heterodyne and direct-sampling receivers is examined. ...展开详情收缩
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