Vishwas, Yes, 2837x_RFFT_ADC doesn't even perform Phase computations. Maybe the original developer missed adding this. " ctually can I use this fixed point approach for my application where I continue need this phase value of my fundamental frequency. As of my knowledge I don't think it as....but correct me if I'm wrong" I didn't understand your comment above. The rfft_f32 example is also a floating-point example, not a fixed-point example. What I meant is that rfft_f32 has a fixed input test vector, so we have a Pass/Fail output, and the Phase is computed as well. This shows that the FPU DSP library is correctly computing the Phase of the FFT data. Thanks, Sira
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