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Use of a carrier waves dependent dither signal for the analog - digital - conversion
Use of a carrier waves dependent dither signal for the analog - digital - conversion
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机译:使用与载波相关的抖动信号进行模数转换
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摘要
An analog-to-digital converter (ADC) includes a dither signal generator configured to add an analog dither signal to the analog input signal of the ADC prior to digitization (i.e., quantization). The amplitude of the dither signal is selected based upon the power levels of one or more carriers present in the bandwidth for which the ADC is designed to operate. Addition of the dither signal to the input signal in the analog domain reduces quantization noise such as conversion spurs that result from non-linearities in the ADC transfer function.
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