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A Design of Waveform Signal Generators Based on DDS

Zhan Yanyan

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Abstract

Direct digital synthesis(DDS)brings advanced digital processing technology and method in frequency synthesis area.It became the best one because of its ascendant performance and characteristic.Using the AD9954 DDS chip of the AD Inc.as the kernel and the TMS320C5509A DSP chip of the TI Inc.as the control part,based on DDS technology with underwater acoustic background of the application,a excellent communication signal generator with arbitary waveform and simple structure is designed.Experimental tests show that the generator can produce not only sine,cosine,square,triangle,sawtooth waves,and other common waveform,but can also use various means to edit and produce the arbitrary waveform that the traditional function generator can not produce.

About this research paper

What this paper is about

Direct digital synthesis(DDS)brings advanced digital processing technology and method in frequency synthesis area.It became the best one because of its ascendant performance and characteristic.Using the AD9954 DDS chip of the AD Inc.as the kernel and the TMS320C5509A DSP chip of the TI Inc.as the control part,based on DDS technology with underwater acoustic background of the application,a excellent communication signal generator with arbitary waveform and simple structure is designed.Experimental tests show that the generator can produce not only sine,cosine,square,triangle,sawtooth waves,and other common waveform,but can also use various means to edit and produce the arbitrary waveform that the traditional function generator can not produce.

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Available abstract

Direct digital synthesis(DDS)brings advanced digital processing technology and method in frequency synthesis area.It became the best one because of its ascendant performance and characteristic.Using the AD9954 DDS chip of the AD Inc.as the kernel and the TMS320C5509A DSP chip of the TI Inc.as the control part,based on DDS technology with underwater acoustic background of the application,a excellent communication signal generator with arbitary waveform and simple structure is designed.Experimental tests show that the generator can produce not only sine,cosine,square,triangle,sawtooth waves,and other common waveform,but can also use various means to edit and produce the arbitrary waveform that the traditional function generator can not produce.

Key concepts: Sawtooth wave, Waveform, Function generator, Signal generator, Arbitrary waveform generator, Direct digital synthesizer, Computer science, Digital signal processing

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