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Application of DDS frequency synthesizer

CHEN Jia-lin (The Hi-tech. Development Company of Hefei Institute of Intelligent Machine of Chinese Academy Science,Anhui HeFei 230061, China)  
The instrument of communication on the power line is composed of AD9850 frequency synthesizer ,PIC16C65 single chip ,24LC01 memory and so on. It displays the excellence of DDS direct digital synthesizer technology and the excellence of PIC single chip which has more I/O ports ,faster instruction speed and less peripheral component. It proffers the convenient path to improving the quality of practition ,lessening the volume and the cost.
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