500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/39/1143789209.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">純硬件正弦逆變(把XZSZRS兄的圖改了一下,傳上來和大家討論)
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@deyun
对正弦发生器和三角波发生器作了修正,请大家参考运算放大器使用LM358和TLC272正弦设计频率50.5Hz三角波设计频率6KHz可以使用单电源供电,PWM调制部分正在验证中......1143783158.pdf
圖已更正!請大家再看看!
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500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/39/1143789209.jpg');}" onmousewheel="return imgzoom(this);"> 0
完整的PWM发生器部分
仿真调试用的,实地电路50Hz信号除掉电压源后接到U1输出.
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仿真调试用的,实地电路50Hz信号除掉电压源后接到U1输出.
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/40/1143851765.jpg');}" onmousewheel="return imgzoom(this);"> 0
