方案改进：接收信号为二进制固定频率同步电路方案

这是同相正交积分型锁相同步电路方案，请大家改进，THANGKS！！
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抽样保持极性

B

单稳

微分

同相正交积分∫s(t)dt

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file:///C:/Temp/msohtml1/01/clip_image011.gif 

A

模二加

抽样保持极性

正交积分 ∫s(t)dt

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file:///C:/Temp/msohtml1/01/clip_image014.gif 

晶振

整形

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同相正交积分型数字锁相