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今天是:2006年04月20日 星期四  您现在位于: 首页 → 实作文章 → 胆艺实作(后级)
EL156单端制作
2005-07-05 20:58:30  胆艺轩  出处:
前些日子协作朋友另装一台el156,曾先后试验了6n8p一、二级阴极放大器推动、hk曾师傅的6sn7一级阴极放大器加一级阴极输出器推动、ef86五极管推动和6n8p一级并联推动等电路,还未定型。愚意使用12at7应该是不错的,但朋友不喜欢花生管。 
el156电路更改如下:1.第一级ef86栅漏电阻改270k,取消阴极电容,阴极电阻取1.6k,反馈(nfb)电阻取30k;2.功放级el156改自给栅偏压,栅漏电阻用回手册给出的100k,阴极电阻60欧姆,阴极电容220;3.电源部分该为晶体管桥式整流以提高屏压,并取消“
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