Design of four point Radix-2 FFT structure on Xilinx
Avinash Kumar Singh, Ashutosh Nandi · 2017
FFT, IIFT algorithm is critically important in Digital Signal Processing (DSP). This paper consists of design of Four point Radix-2 structure that consists of complex multiplication and addition, efficient implementation of these units plays very critical role in design. Booth multiplier with Kogge Stone Adder (KS) is used to reduce delay in design as compared to design with corresponding Booth multiplier and Ripple Carry Adder (RCA). These days for VLSI systems chip area is often compromised for the delay. The Design is implemented on Xilinx ISE Design suite 14.7 (Family Spatan 3E and Device XC3S1200E) platform.