Design of High-Precision Frequency Meter

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Abstract:

Frequency meter measured frequency of analog periodic signal in its frequency domain and used the software control program to replace the complex outside counting circuit. ARM7 development board, LPC2103 chip, and AD9833 chip made up of a complete system. This paper gave the designing schemes of hardware and software system and analyzed experiment results, which prove that this design reaches expectant target with less hardware and simpler structure.

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364-367

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June 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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