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测试下 |
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https://wanstarge.github.io/2024/05/08/%E6%99%B6%E6%8C%AF/?
总结![[ZPIC/PCB/OSC2.jpg]] [!note]补充：并联电阻不能太小，串联电阻不能太大。否则，在温度较低的情况下不易起振1MΩ电阻适用于以下问题：当发生程序启动慢或不运行时，建议给晶振并联1MΩ的电阻在低温环境下振荡电路阻抗也会发生变化，当阻抗增加到一定程度时，晶振就会发生起振困难或不起振现象。这时，我们也需要给晶振并联1MΩ电阻 晶振参数以及匹配电容的计
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