Managing Bit Growth in SSR FFT Stages - 2023.1 English

Vitis Libraries

Release Date
2023.1 English

The bit growth management is required for fixed point implementation only. The SSR FFT supports three different modes to manage bit growth between SSR FFT stages. These three modes can be used to allow bit growth in every stage, or use scaling in every stage without any bit growth, or allow bit growth until 27 bits and then start using scaling. The detailed description for the different modes are as follows: