AD9951 bBased frequency synthesizer for HF fast differential hopping system
Fang Zhu
Abstract
Fang Zhu
Abstract
The high performance DDS chip AD9951 produced by ADI is adopted to design a frequency synthesizer in this paper.A design scheme of DDS +DSP is adopted.The designed synthesizer adapted PLL ADF4113 to offer a reference clock for AD9951.The whole system adopts high-performance DSP as the control circuit.The main performance characteristics of AD9951 chip and its application to frequency synthesizer with fast frequency hopping is mainly introduced in detail.
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The high performance DDS chip AD9951 produced by ADI is adopted to design a frequency synthesizer in this paper.A design scheme of DDS +DSP is adopted.The designed synthesizer adapted PLL ADF4113 to offer a reference clock for AD9951.The whole system adopts high-performance DSP as the control circuit.The main performance characteristics of AD9951 chip and its application to frequency synthesizer with fast frequency hopping is mainly introduced in detail.
Key concepts: Computer science, Frequency synthesizer, Direct digital synthesizer, Phase-locked loop, Chip, Frequency-hopping spread spectrum, Digital signal processing, Electronic engineering