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FPGA Implementation of Direct Digital Synthesizer Using Pipelined Cordic Algorithm

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Executive Summary

This paper proposes Design and Implementation of CORDIC algorithm for Direct Digital Synthesizer. COordinate Rotation DIgital Computer (CORDIC) algorithm is an interesting technique for phase to sine amplitude conversion. The algorithm proposed in this design is to utilize dynamic transformation rather than ROM static addressing. The proposed CORDIC design is based on Pipeline data path Architecture. By using pipeline architecture, the design is able to calculate continuous input, has high throughput, and doesn't need ROM or registers to save constant angle iteration of CORDIC. CORDIC algorithm provides fast and area efficient computations of sine and cosine functions without using ROM LUTs.

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