Frequency Synthesizer For Atmospheric microwave radiation Spectrum analyzer

机译：大气微波辐射频率合成器频谱分析仪

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The phase-locked loop (PLL) frequency synthesizer is a critical device of radiometer. It works as a local oscillator (LO) for channel selection in the receivers but suffers phase noise including reference spurs. this article gives a detailed design and implementation of frequency synthesizer in the atmospheric microwave radiation spectrum analyzer. Base on the reasonable design, we can select the appropriate device circuit and achieve it. The 8channel frequency synthesizer of K-band atmospheric microwave radiation spectrum analyzer has completed. It has a low phase noise and frequency step.

机译：锁相环（PLL）频率合成器是辐射计的关键设备。它在接收器中作为本地振荡器（LO）进行信道选择，但会遭受包括基准杂散在内的相位噪声的影响。本文给出了大气微波辐射频谱分析仪中频率合成器的详细设计和实现。基于合理的设计，我们可以选择合适的器件电路并实现。 K波段大气微波辐射频谱分析仪的8通道频率合成器已完成。它具有较低的相位噪声和频率阶跃。

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来源
《2011 China-Japan Joint Microwave Conference Proceedings》|2011年|485-487|共3页
会议地点 Hangzhou(CN)
作者
Ahmad khalf.Aldhafari; Y.Jungang. Miao;
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作者单位

BEIHANG UNIVERSITY Beijing, China;

BEIHANG UNIVERSITY Beijing, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类微波与超高频技术;
关键词
microwave radiometer; sensitivity; IF-receiver; gain fluctuation; detection linearity;

机译：微波辐射计灵敏度IF接收器增益波动检测线性;

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Frequency Synthesizer For Atmospheric microwave radiation Spectrum analyzer

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