我自己做了一个正弦波专用IC-L8428只有五只脚,一只五元钱,可为你們的电路简化很多的如图,有意义吗?它输出正弦波谷底=0.9V,波峰3.2V刚好与3525配合.
与你們的正弦波想的是一样,但他们说明很好,是一个论文文章
右边示波显示正弦波芯片0-5V的波长10ms的波型
![](http://u.dianyuan.com/bbs/u/82/109541256035606.gif)
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![](http://u.dianyuan.com/bbs/u/82/109541256035642.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
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下面是基于SG3525的单极性SPWM控制电路[1].pdf相关的文章
下面是一种新型的单相正弦波逆变电源电路[1].pdf
109541256035768.pdf
下面是主电路
![](http://u.dianyuan.com/bbs/u/82/109541256036561.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
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