<div dir="ltr"><div dir="ltr">On Thu, 14 Feb 2019 at 22:10, David G Dixon <<a href="mailto:dixon@mail.ubc.ca">dixon@mail.ubc.ca</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><u></u>
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<div dir="ltr" align="left"><span class="gmail-m_816852409983698721280031021-14022019"><font color="#0000ff" size="2" face="Arial">Increasing the resistors from 30k to 100k also fixed the
problem, with the same 22pF cap in place.</font></span></div></div></blockquote><div><br></div><div>FWIW, 100k gives higher noise floor than 30k - but improves the THD a bit.</div><div><br></div><div>Depending on the design, the "right" choice could be either one.</div><div><br></div><div>/mr</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><blockquote style="border-left:2px solid rgb(0,0,255);padding-left:5px;margin-left:5px;margin-right:0px" dir="ltr"><div dir="auto">
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