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Varying values of frequency to AD8302 input

Question asked by ritula_21 on Jul 29, 2014
Latest reply on Jul 29, 2014 by jdobler

Im providing one reference input to AD8302 through DDS while the second input is being provided through DUT. At high frequency say 10 MHz, the output frequency of DUT is fluctuating between 4 MHz to 11 MHz as checked on CRO. In such a situation where one input to AD8302 (provided by DDS) is stable at 10 MHz, while the other input (provided by DUT) is fluctuating so much, how will the AD8302 detect the difference in signals and give output?