This chapter presents a design of 2048-point Split Radix Fast Fourier transformer (FFT). Radix 4Butterfly units are used in the design to enhance the power performance of the FFT. Split Radix FFT(SRFFT) are widely used configuration of FFT for the low power applications which is due to its lesser computation complexity. It has the similar signal flow graph as of radix-2/4 FFTs, therefore the address generation method is also the same. The design is further modified in this chapter to enhance the power performance by improved butterfly units in SRFFT. 2048-point SRFFT is computed using radix-4 butterfly units in this chapter which reduces the dynamic power consumption as compared to the conventional design. Simulation analysis is performed to verify the improved performance of the proposed deign.
Author(s) Details
Sonali D. Patil
Dr. D. Y. Patil College of Engineering, Akurdi, Pune -44, India.
Dr. Manish Sharma
Dr. D. Y. Patil College of Engineering, Akurdi, Pune-44, India.
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