请问这2个怎么样?能不能用6n2代替?脚位如何区分?

Julien

6N2灯丝电流一个340mA

lishuaijie

<>输出管两个都有标号</P>
<>其中后面的有括号</P>
<>是不是并联？还是任意接一个？</P>

lishuaijie

<>请问还有其他的吗？</P>
<>如果我全部都用6n2作</P>
<>灯丝电流大约多少？</P>
<>用三个7806并联足够了吗？</P>
<>谢谢！</P>

lishuaijie

西风瘦马,太谢谢你了！～～

Julien

可能是6N2管本底热噪音，无法解决

lishuaijie

<div class="quote"><b>&nbsp;以下是引用<i>西风瘦马</i>在2006-3-26 2:06:00的发言：</b><br/><img src="attachments/dvbbs/2006-3/2006326255147806.jpg" 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/2006-3/2006326255147806.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /></div><p></p>

bmxboy

<div class="quote"><b>以下是引用<i>lishuaijie</i>在2006-5-31 19:26:00的发言：</b><br/><div class="quote"><b>&nbsp;以下是引用<i>西风瘦马</i>在2006-3-26 2:06:00的发言：</b><br/><img src="attachments/dvbbs/2006-3/2006326255147806.jpg" 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/2006-3/2006326255147806.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /></div><p></p></div><p></p>6N2噪音本身就很大。。。。

发如雪

看来6N2的噪音真的很大, 特性所致,下次用的时候要小心

lirongxiang