求助:那位高人帮我分析分析一个放大电路图

师兄遗留了这个图,但是我不太懂模电,不知道如何分析.
输入是0与-5的脉冲信号,想得到200v,40mA的脉冲信号,能否实现?谢谢大家!

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/29/1116492454.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">

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zj47988302

LV.4

2005-05-19 20:25

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/29/1116505524.jpg');}" onmousewheel="return imgzoom(this);">

ghost

LV.7

2005-05-19 21:25

@zj47988302

[图片]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){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/29/1116505524.jpg');}"onmousewheel="returnimgzoom(this);">

可以的.改变CN2的外接电阻可改变输出电压.