实验简单电子门铃电路求助!电容器有什么作用?“两个三极管组成互补型自激多谐音频振荡器”又是什么意思?这明明是直流电源,怎么会有频率?求师兄师姐明解!
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 10:59:31
![实验简单电子门铃电路求助!电容器有什么作用?“两个三极管组成互补型自激多谐音频振荡器”又是什么意思?这明明是直流电源,怎么会有频率?求师兄师姐明解!](/uploads/image/z/2154361-49-1.jpg?t=%E5%AE%9E%E9%AA%8C%E7%AE%80%E5%8D%95%E7%94%B5%E5%AD%90%E9%97%A8%E9%93%83%E7%94%B5%E8%B7%AF%E6%B1%82%E5%8A%A9%21%E7%94%B5%E5%AE%B9%E5%99%A8%E6%9C%89%E4%BB%80%E4%B9%88%E4%BD%9C%E7%94%A8%3F%E2%80%9C%E4%B8%A4%E4%B8%AA%E4%B8%89%E6%9E%81%E7%AE%A1%E7%BB%84%E6%88%90%E4%BA%92%E8%A1%A5%E5%9E%8B%E8%87%AA%E6%BF%80%E5%A4%9A%E8%B0%90%E9%9F%B3%E9%A2%91%E6%8C%AF%E8%8D%A1%E5%99%A8%E2%80%9D%E5%8F%88%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%3F%E8%BF%99%E6%98%8E%E6%98%8E%E6%98%AF%E7%9B%B4%E6%B5%81%E7%94%B5%E6%BA%90%2C%E6%80%8E%E4%B9%88%E4%BC%9A%E6%9C%89%E9%A2%91%E7%8E%87%3F%E6%B1%82%E5%B8%88%E5%85%84%E5%B8%88%E5%A7%90%E6%98%8E%E8%A7%A3%21)
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