http://www.analog.com/static/imported-files/application_notes/493445731282210277AN671_0.pdf#xml=http://search.analog.com/search/pdfPainter.aspx?url=http://www.analog.com/static/imported-files/application_notes/493445731282210277AN671_0.pdf&fterm=rti&fterm=rti&la=en
或http://www.analog.com/static/imported-files/application_notes/493445731282210277AN671_0.pdf
一般地,电容前应当有电阻限流,不然,属于违章操作。
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