Butterfly Design for RADIX-4K DIF FFT
Journal Title: International Journal of Research in Computer and Communication Technology - Year 2014, Vol 3, Issue 10
Abstract
VLSI and Digital Signal Processing are the two emerging technologies in the present world. Design of high performance, low area and low power VLSI circuits are needed for the DSP applications. This paper is dealing with FFT which is one of the most used algorithms in digital signal processing.FFT based on radix-2, radix-4 and split radix are most widely used for practical applications due to their simple architecture. This paper presents the 16-point radix-4FFT algorithm. In FFT algorithm radix-4 can be used for any number of parallel samples which is a power of two.Furthermore, both decimation in frequency (DIF) and decimation in time (DIT) decompositions can be used. In addition to this, the designs can achieve a very high throughput, which makes them suitable for the most demanding applications.
Authors and Affiliations
V Venkata Lakshmi Dadala, CH Satya Naresh, R Anil Kumar
Keywords
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