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《Microelectronics》 2016-04
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Design and Implementation of a K-Band Low Phase Noise Frequency Synthesizer

ZHENG Yonghua;LIU Hong;PANG Youbing;Sichuan Institute of Solid-State Circuits,China Electronics Technology Group Corporation;  
A low phase noise frequency synthesizer was designed by adopting a dual phase locked loop with a mixer,which was not easy to achieve by a single phase locked loop.Thus a K-band miniaturized low phase noise frequency synthesizer in the size of 45.0 mm×30.0 mm×12.0 mm was implemented by means of theoretical analysis,circuit structure and layout optimization.Measurement results showed that output signals were obtained with phase noises of-95dBc/Hz(1kHz)and-99dBc/Hz(≥40kHz)respectively,and the spurious suppression was-72 dBc.It fully met the design specifications.
【CateGory Index】: TN74
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