Design and Implementation of Digital Signal Generator Based on LPC2132

Zhi Jun Guo; Huan Mei Yan

doi:10.4028/www.scientific.net/AMM.303-306.1869

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 303-306Design and Implementation of Digital Signal...

Design and Implementation of Digital Signal Generator Based on LPC2132

Abstract:

A design method of the digital signal generator, based on LPC2132 as the master control chip, is introduced in this paper. The system has used of a chip of the direct digital frequency synthesizer (DDS) and a complex programmable logic device(CPLD) to produce the sine wave, square wave and triangle wave, and has designed circuits of analog signal amplification and gain control. Realized the switch of different signal through the keyboard, it is a new kind of the digital signal source, which has performances including stabilizing waveform, higher precision, adjustable amplitude and frequency on the permitted scope.

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Periodical:

Applied Mechanics and Materials (Volumes 303-306)

Pages:

1869-1872

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.303-306.1869

Citation:

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Online since:

February 2013

Authors:

Zhi Jun Guo, Huan Mei Yan

Keywords:

Complex Programmable Logic Device (CPLD), DDS, Digital Signal Generator, LPC2132

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References

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