<div dir="ltr">Nope, they have AN6668 and AN6077. Haven't Seen AN6818 anywhere.</div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Apr 24, 2017 at 1:06 PM, Josh Nursing <span dir="ltr"><<a href="mailto:josh.nursing@gmail.com" target="_blank">josh.nursing@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">First Doc here? <a href="http://www.intersil.com/en/products/amplifiers-and-buffers/all-amplifiers/amplifiers/CA3280.html#documents" target="_blank">http://www.intersil.com/<wbr>en/products/amplifiers-and-<wbr>buffers/all-amplifiers/<wbr>amplifiers/CA3280.html#<wbr>documents</a><div><br></div><div>Question: Is it possible to do a pole-mixing filter with LM13700s?</div><span class="HOEnZb"><font color="#888888"><div><br></div></font></span><div><span class="HOEnZb"><font color="#888888">Josh</font></span><div><div class="h5"><br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Apr 24, 2017 at 3:52 PM, Cooper Sloan <span dir="ltr"><<a href="mailto:mistercooper@gmail.com" target="_blank">mistercooper@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>It's one of the 3 or 4 3280/3080 app notes put out by intersil/Harris, but only two are live on their site now.</div><div class="m_6293838187452704459gmail-HOEnZb"><div class="m_6293838187452704459gmail-h5"><div><br><div class="gmail_quote"><div>On Mon, Apr 24, 2017 at 12:51 PM MTG <<a href="mailto:grant@musictechnologiesgroup.com" target="_blank">grant@musictechnologiesgroup.<wbr>com</a>> wrote:<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 bgcolor="#FFFFFF">
    Sorry I don't know this one. Which manufacturer for AN6818?</div><div bgcolor="#FFFFFF"><br>
    <br>
    <br>
    <div class="m_6293838187452704459gmail-m_-8876267809321076020m_-1567919941190543503moz-cite-prefix">On 4/24/2017 11:41 AM, Cooper Sloan
      wrote:<br>
    </div>
    <blockquote type="cite">
      <div>Can I piggy back a little request on this thread for the now
        missing AN app notes? AN6818 I think?</div>
      <div><br>
        <div class="gmail_quote">
          <div>On Mon, Apr 24, 2017 at 9:53 AM Justin Herrmann <<a href="mailto:ebn303afxcut@email.com" target="_blank">ebn303afxcut@email.com</a>>
            wrote:<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>
              <div style="word-break:break-word">
                <div class="m_6293838187452704459gmail-m_-8876267809321076020m_-1567919941190543503m_8441906255982166525mail_android_message" style="line-height:1;padding:0.5em">Datasheets for
                  CA3280, LM13700, and NE5517 all claim "excellent
                  matching" between the pairs, but none back up that
                  claim with numbers or guaranteed matching specs. On
                  the other hand, the SSM2164 claims "All channels are
                  closely matched to within 0.07 dB at unity gain."<br>
                  <br>
                  Has anyone compared how closely OTA devices within a
                  package match? Is it just gm that's important here? <br>
                  <br>
                  Justin<br>
                  <br>
                </div>
                <div class="m_6293838187452704459gmail-m_-8876267809321076020m_-1567919941190543503m_8441906255982166525mail_android_quote" style="line-height:1;padding:0.3em">On 04/23/2017,
                  11:10 PM Michael E Caloroso <<a href="http://mec.forumreader" target="_blank">mec.forumreader</a>@<a href="http://gmail.com" target="_blank">gmail.com</a>> wrote:
                  <blockquote class="gmail_quote" style="margin:0.8ex 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                    The CA3280 dual OTAs are also matched, which the
                    2164 cannot claim.<br>
                    There is no dual matched OTA IC currently available
                    on the market.<br>
                    <br>
                    MC<br>
                    <br>
                    On 4/23/17, David G Dixon <<a href="mailto:dixon@mail.ubc.ca" target="_blank">dixon@mail.ubc.ca</a>>
                    wrote:<br>
                    > The exponential response of the 2164 is good
                    enough for just about anything<br>
                    > you need it to do. It is the heart of the
                    Dixie, Rubicon, and Atlantis<br>
                    > VCOs, and we have sold about a million dollars
                    worth of those, so it can't<br>
                    > suck all that hard.<br>
                    ><br>
                    >> -----Original Message-----<br>
                    >> From: Synth-diy [mailto:<a href="mailto:synth-diy-bounces@synth-diy.org" target="_blank">synth-diy-bounces@synt<wbr>h-diy.org</a>]
                    On<br>
                    >> Behalf Of Ian Fritz<br>
                    >> Sent: Sunday, April 23, 2017 2:14 PM<br>
                    >> To: Tom Wiltshire; Jay Schwichtenberg<br>
                    >> Cc: <a href="mailto:synth-diy@synth-diy.org" target="_blank">synth-diy@synth-diy.org</a><br>
                    >> Subject: Re: [sdiy] SSM chip reissue<br>
                    >><br>
                    >><br>
                    >><br>
                    >> The CA3280 is a much higher performance
                    chip. For example, it<br>
                    >> has a specially designed low noise input.
                    The expo response<br>
                    >> of the 2164 is pretty poor, compared with
                    what one can do<br>
                    >> with a good monolithic pair. Etc.<br>
                    >><br>
                    >> Ian<br>
                    >><br>
                    >><br>
                    >><br>
                    >> On 4/23/2017 12:52 PM, Tom Wiltshire wrote:<br>
                    >> ><br>
                    >> ><br>
                    >> > Talking of which, why not use the 2164
                    instead of the<br>
                    >> CA3280? You can<br>
                    >> > use it for filters, VCAs, and VCOs,
                    and it's got the exponential<br>
                    >> > reposnse built in, unlike the CA3280.<br>
                    >> --<br>
                    >> <a href="http://ijfritz.byethost4.com" target="_blank">ijfritz.byethost4.com</a><br>
                    >>
                    ____________________</blockquote></div></div></div></blockquote></div></div></blockquote></div></blockquote></div></div></div></div></blockquote></div>
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