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'); document.write(' EEPW网友· 2014-08-20 15:25:35'); document.write('
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'); document.write('me too! qq 573131278'); document.write('

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'); document.write(' EEPW网友· 2014-08-12 22:31:43'); document.write('
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'); 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('

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'); document.write(' EEPW网友· 2014-08-12 22:25:44'); document.write('
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'); 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('

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