Conversion latency in delta-sigma converters

Sigma Delta ADC by ANALOG Devices

通信专业正交下变频详细研究，很实用，理论通俗易懂，学习解调的同学可以好好研读-Sampling and Multirate Techniques for Complex and Bandpass Signals Complex signals and systems • Sampling of complex signals • Frequency translations using mixing and multirate operations 

Using Delta-Sigma Modulators in Visible Light OFDM Systems