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Sinusoidal oscillator with adjustable frequency and constant amplitude
Source: InternetPublisher:桂花蒸 Updated: 2010/02/04
![频率可调幅度不变的正弦振荡器](http://www.eeworld.com.cn/circuit/upload/538a1bc8a409ff500dc8e0cb6c6d7ecb/fbcf22e8-3c63-11ec-837b-086126841eb8.jpg)
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