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Time-interleaved and sub-band reconstruction approaches to digital-to-analog conversion for high sample rate waveform generation
Time-interleaved and sub-band reconstruction approaches to digital-to-analog conversion for high sample rate waveform generation
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机译:时间交错和子带重构方法进行数模转换,以产生高采样率波形
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摘要
The perceived sample rate at which a DAC can operate can be increased by allowing multiple DACs to process different portions of a digital signal in parallel. In this way, the outputs of multiple DACs can be combined into a single analog signal to achieve the desired speeds and resolutions of the analog output. This parallel processing can be implemented using a time-interleaving technique or a sub-band reconstruction technique. Pre-distortion can be applied to the digital input signal to compensate for degradation detected in the analog output signal. By applying pre-distortion, waveforms having high sampling rates can be efficiently generated.
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