6533b839fe1ef96bd12a642a

RESEARCH PRODUCT

Optimized FPGA-implementation of quadrature DDS

A. Valls-coquillatF. Cardells-tormo

subject

Very-large-scale integrationSignal processingVirtexDirect digital synthesizerComputer architectureComputer sciencebusiness.industrySoftware-defined radiobusinessField-programmable gate arrayDigital signal processing

description

This paper presents the optimized implementation of high performance quadrature direct digital synthesizers (DDS). Although VLSI designs and optimizations have already been discussed in the literature they may not be successfully translated into an FPGA-based technology. This work examines each phase-to-amplitude mapping technique, such as ROM compression and partitioning techniques and the CORDIC algorithm, and it proposes the most suitable structure for Virtex FPGAs in order to obtain the most efficient implementation in terms of area and throughput.

yearjournalcountryeditionlanguage
2003-06-252002 IEEE International Symposium on Circuits and Systems. Proceedings (Cat. No.02CH37353)
https://doi.org/10.1109/iscas.2002.1010717