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Sir I am trying to use FFT 5.0 core in xilinx10.1 as follows for 50 hz SinWAVE(THROUGH ADC)for noise removal 1. 64 Transform size 2. Radix2 burst mode 3.I/p data width 8 bit 4.Scaled 5. Natural order(without cylix prefix) I want to know what is the value of scale_sch for FFT and IFFT for getting O/P width same as I/P width i.e 8 bit in my problem. As I want to use same IP core for FFT and IFFT.Further I want to use inverse FFT for the O/P fft i.e XK_REAL AND XK_IMA.and display the same sine wave via DAC. So what is the procedure after FFT.Should I remove all real and imaginary except fundamental frequency i.e calculated by xk_index.and give this to FFT core(for inverse FFT) or anything else, kindly suggest me bye Varun
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This doesn't make sense. There is no need to make an FFT over all freqs if you just want to keep one of them. Do an IQModulationDemodulation with a sharp small band filter in between.