文摘
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提出了一种基于PLL技术的宽带频率合成器,用作互调仪中的扫频源.借助ADIsimPLL完成了频率合成器中部分元件参数的确定,并进行整体可行性分析.利用ADF4355、PIC18F25K20等器件成功搭建频率合成器,经调试优化,最终符合设计要求.该频率合成器输出800 MHz~2.6 GHz的可调频率,输出功率≥4 dBm,相位噪声优于-90 dBc@10 kHz. |
其他语种文摘
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A broadband frequency synthesizer based on phase-locked loop was presented to be used as sweep frequency source in PIM analyzer. Some component parameters of the frequency synthesizer were figured out by means of ADIsimPLL, and the feasibility of the whole system was analyzed. The frequency synthesizer was set up by using ADF4355、PIC18F25K20 and some other components, and debugged and optimized to finally meet the design requirement. The frequency synthesizer has an adjustable frequency from 800 MHz to 2.6 GHz with an output power no less than 4 dBm and a phase noise better than -90 dBC@10 kHz. |
来源
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固体电子学研究与进展
,2017,37(2):103-107 【扩展库】
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关键词
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互调仪
;
频率合成器
;
扫频源
;
锁相环
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地址
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1.
中国科学技术大学核科学技术学院, 合肥, 230026
2.
中国科学院等离子体物理研究所, 合肥, 230031
3.
中科院(合肥)技术创新工程院有限公司, 合肥, 230000
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语种
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中文 |
文献类型
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研究性论文 |
ISSN
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1000-3819 |
学科
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电子技术、通信技术 |
文献收藏号
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CSCD:5974208
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