Frequency synthesizer of short-wave SFH/MFSK system |
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| Authors: | Gan Liangcai and Bao Yongqiang |
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| Institution: | (1) College of Electronic Information, Wuha University, 430072 Wuhan, China |
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| Abstract: | The technology of DDS-driven PLL is introduced and a new scheme of frequency synthesizer which is suitable for SW SFH/MFSK
System is presented in this paper. Based on the special requirement of SW communication, a model of the scheme is given and
the results show that the frequency synthesizer has small frequency insteval (≤0.1 Hz), short switch pierod (<200 ms) and
high frequency stability as crystal oseillator.
Supported by the National Nature Science Foundation of China and the Advanced Research Foundation of National Defence
Gan Liangcai: born in 1941, Professor |
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| Keywords: | frequency synthesizer frequency inteval switch pierod FH communication |
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