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Visitor giannisaris
Visitor
6,070 Views
Registered: ‎01-20-2008

DFT core

Hello i am using xilinx ii pro.I want to implement a dft core for an input waveform!The results tha i am getting are weard.I am getting the input from a AD converter output and it is 12 bit.The wavefeorm is from -5volt to +5 volt and the dft input is from 0 to 4096. How can i compute the harmonics from the real and imaginary parts?Some results are strange..for a sine wave input some results are above 4096 how is this possible??
PLeas if anyone has use the core help me!!
thanks!
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