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Proceedings Paper

Design of RF source based on Direct Digital Synthesizer
Author(s): Hui Liu; YueHong Qiu
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Paper Abstract

A new Radio Frequency (RF) source based on Direct Digital Synthesizer (DDS) is presented in this paper, to improve the performance of the Sound-light tunable filter. A DDS chip called AD9959 is used to produce RF signal. The AD9959 consists of four DDS cores that provide independent frequency, phase, and amplitude control on each channel, and FPGA is used to control AD9959, to ensure a high accurate signal source with multiple signal mode and four channels output is designed. This paper introduces the implementation of system including software and hardware. The test results show that the RF source has 0-200MHz bandwidth and resolution, stability and a series of functions fully realize the scheduled target.

Paper Details

Date Published: 31 January 2013
PDF: 8 pages
Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 87591O (31 January 2013); doi: 10.1117/12.2014925
Show Author Affiliations
Hui Liu, Xi'an Institute of Optics and Precision Mechanics (China)
Graduate Univ. of the Chinese Academy of Sciences (China)
YueHong Qiu, Xi'an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 8759:
Eighth International Symposium on Precision Engineering Measurement and Instrumentation
Jie Lin, Editor(s)

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