'); document.write('
![](//m.amcfsurvey.com/uphotos//thumb/avatar.jpg)
'); document.write('
'); document.write('
'); document.write('
EEPW网友· 2014-08-20 15:25:35'); document.write('
'); document.write('
'); document.write('me too! qq 573131278'); document.write('
'); document.write('
'); document.write('
'); document.write('
'); document.write('
![](//m.amcfsurvey.com/uphotos//thumb/avatar.jpg)
'); document.write('
'); document.write('
'); document.write('
EEPW网友· 2014-08-12 22:31:43'); document.write('
'); document.write('
'); document.write('对了,还有,比较电平就适合用比较器,用运放不好,轨到轨也不管用,很多输出特性要考虑进去。有时候开环应用还会带来意想不到的问题。'); document.write('
'); document.write('
'); document.write('
'); document.write('
'); document.write('
![](//m.amcfsurvey.com/uphotos//thumb/avatar.jpg)
'); document.write('
'); document.write('
'); document.write('
EEPW网友· 2014-08-12 22:25:44'); document.write('
'); document.write('
'); document.write('我觉得第三个问题,在基准输出和-输入之间穿个电阻比较好'); document.write('
'); document.write('
'); document.write('
');