<div class="quote"><b>以下是引用<i>kdzyd</i>在2006-12-21 16:53:00的发言:</b><br/><img src="attachments/dvbbs/2006-12/2006122116493952632.gif" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-12/2006122116493952632.gif\');}" onmousewheel="return imgzoom(this);" alt="" />图中的电源部分,滤波电子管GZ 32不好找啊,可不可用其他管替代,比如5Z3P,最后的HT电压要求是350V。<font face="宋体">谢谢</font><br/></div><p></p><p>我准备用这个电路图做EL34单端。这个图怎么样</p><p> </p>