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2010•Electronic Design EngineeringRequires access

Design of direct digital synthesizer based on FPGA

Cheng Guangwei

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Abstract

This design uses field programmable gate array(FPGA)to realize direct digital synthesizers(DDS).Commbining the DDS’s structure and principle,system design methods are given,and the relationships between reference frequency and output frequency are deduced.DDS has a high stability,high resolution and high conversion speed,using Altera Nios soft- core sets up and displays the output frequency,which is very convenient,and has a higher degree of integration.

About this research paper

What this paper is about

This design uses field programmable gate array(FPGA)to realize direct digital synthesizers(DDS).Commbining the DDS’s structure and principle,system design methods are given,and the relationships between reference frequency and output frequency are deduced.DDS has a high stability,high resolution and high conversion speed,using Altera Nios soft- core sets up and displays the output frequency,which is very convenient,and has a higher degree of integration.

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Available abstract

This design uses field programmable gate array(FPGA)to realize direct digital synthesizers(DDS).Commbining the DDS’s structure and principle,system design methods are given,and the relationships between reference frequency and output frequency are deduced.DDS has a high stability,high resolution and high conversion speed,using Altera Nios soft- core sets up and displays the output frequency,which is very convenient,and has a higher degree of integration.

Key concepts: Field-programmable gate array, Direct digital synthesizer, Frequency synthesizer, Computer science, Gate array, Electronic engineering, Nios II, Computer hardware

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