RC正弦波振荡原理2

RC正弦波振荡器是一种带有选频网络的正反馈放大器，用于产生低频信号。它由RC串并联网络和负反馈稳幅环节组成。RC串并联网络起到选频的作用，使得振荡器能够在特定频率范围内产生振荡信号。负反馈稳幅环节通过调节电位器RW来改变负反馈深度，以满足振荡的振幅条件和改善波形。同时，通过两个反向并联二极管D1和D2的非线性特性来实现稳幅，保证输出波形的正负半周对称。为了改善波形失真，还可以通过接入电阻R3来削弱二极管的非线性影响。\[2\]\[3\]
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- *1* [RC正弦波振荡器](https://blog.csdn.net/blueanddeepblue/article/details/124879119)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* *3* [模电实验——实验四 RC正弦波振荡器](https://blog.csdn.net/weixin_53402301/article/details/125287811)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
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