阿Q吧 > 急求“基于晶振的方波发生器：有源器件采用运放或者三极管、场效应管均可。”

急求“基于晶振的方波发生器：有源器件采用运放或者三极管、场效应管均可。”

2025-03-16 00:56:50
推荐回答（2个）
回答1：

建议你还是用NE555制作石英晶体振荡器，带负载能力强。如图所示，不需调试，即可工作。微调电容，可以微调频率。若频率高于500KHz，建议用ICM7555，其高频性能较好。

回答2：

这个太高端了，我觉得还是去小木虫问比较靠谱吧

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