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Single Channel IQ Demodulation

Question asked by AaronV on Apr 21, 2016
Latest reply on Jun 10, 2016 by David.Buchanan

IQ demodulation is often shown as two separate ADC channels with quadrature sampling.  If there is sufficient bandwidth available and a single ADC can support the required sampling rate can a single channel be used with the IQ demodulation done digitally in a FPGA?  What is the advantage of using two quadrature ADC channels other than higher sampling rates?