. Dear Sira, Thanks for your support. 1)Maybe easier to change your ADC input to match the bin frequency i.e. make the ADC input 46.875Hz. > My input signal is 50 Hz and I want to perform FFT on that so I corrected my code . I got DC component in the Bin [0] and which is correct . Also I am getting Peak at Bin[1] which is also correct. I am working on 3 phase Voltage source Inverter . Please share your suggestions in respect of PI controller and PLL to lock with the mains supply. Thanks Sira . Regards Manish
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