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基于CDCE949的可控频率源设计
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针对频率源远程控制难问题，介绍了一种可由单片机控制的频率合成芯片CDCE949。其中频率的变化是通过单片机运用IIC总线技术将控制数据发送到CDCE949的控制寄存器内，从而合成相应的频率值。设备具有输出频率切换快速、频率分辨率和稳定度高等性能，能较好地满足远程控制频率源的需要。
Abstract:
To solve the problem of the difficulty in remote control frequency source， the paper introduced a kind of frequency synthesizer chip CDCE949. The frequency changed was through microcontroller and used the IIC bus technology to send control data to the control register of CDCE949 and formated the corresponding frequency value. The apparatus has output frequency that switches over quickly， the resolution ratio of frequency and higher performance of the degree of stability. It can meet the need of remote control frequency source.
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sucaptain
2013-07-03
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