Design of RF source based on Direct Digital Synthesizer

Hui Liu; YueHong Qiu

doi:10.1117/12.2014925

31 January 2013 Design of RF source based on Direct Digital Synthesizer

Hui Liu, YueHong Qiu

Proceedings Volume 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation; 87591O (2013) https://doi.org/10.1117/12.2014925
Event: International Symposium on Precision Engineering Measurement and Instrumentation 2012, 2012, Chengdu, China

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.

Citation Download Citation

Hui Liu and YueHong Qiu "Design of RF source based on Direct Digital Synthesizer", Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 87591O (31 January 2013); https://doi.org/10.1117/12.2014925

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