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CO2声光调制驱动源电路设计

更新时间:2020-06-04 04:17:41 大小:601K 上传用户:六3无线电查看TA发布的资源 标签:声光调制 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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以CO2声光调制器为基础,设计频率为40MHz的声光调制器匹配的驱动源电路。通过正弦波振荡器皮尔斯电路产生幅度、频率稳定且可调的正弦信号,运用高频三极管2SC2786作为缓冲电路,选取SCM-1芯片设计混频电路提取中频信号,最后采用MHW6222功放芯片对中频信号进行高频低噪声功率放大。实验的结果表明,CO2声光调制器驱动源完全满足声光调制器的正常工作要求。

Based on the CO2 acoustic-optic modulator,this paper designs a driving source circuit to match the acoustic-optic modulator with the frequency of sine wave oscillator Pierce circuit is used to produce the adjustable sinusoidal signal with stable amplitude and high frequency transistor 2SC2786 is used as the buffer circuit,and the SCM-1 chip is selected to design the mixing circuit to extract the intermediate frequency last,MHW6222 power amplifier chip is used to amplify signal with high frequency and low experimental results show that the driving source fully meets the normal working requirements of acoustic-optic modulator.

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CO2声光调制驱动源电路设计.pdf 601K

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