1 00:00:00,000 --> 00:00:06,000 首先连接好电路 2 00:00:09,000 --> 00:00:13,000 找一个合适的工作点 3 00:00:14,000 --> 00:00:18,000 为了方便,我们将输出设置绿色,输入(或反馈)设置为红色 4 00:00:20,000 --> 00:00:24,000 开始仿真 5 00:00:27,000 --> 00:00:32,000 可以看到反馈和输出呈反向 6 00:00:45,000 --> 00:00:55,000 更改电容值,观察波形的频率和波形变化 7 00:01:07,000 --> 00:01:10,000 电容值太小时会停振 8 00:01:13,000 --> 00:01:27,000 电容值变大,输出波形频率会减小,幅值减小;反馈系数增大 9 00:01:36,000 --> 00:01:41,000 调节电感,观察波形变化 10 00:01:49,000 --> 00:01:54,000 电感极小时,同样发生停振 11 00:01:55,000 --> 00:02:13,000 随着电感增大,输出波形频率越小;幅值和反馈系数变化不大 12 00:02:33,000 --> 00:02:40,000 合理调节电容和电感,发现本振荡器最大输出频率为2.7MHz左右 13 00:02:40,000 --> 00:02:43,000 谢谢