<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">SSM2044 is designed as a lowpass-only chip, yes.<div><br></div><div>That's not to say you couldn't start tapping differential signals from the caps and build a pole-mixing filter with it like Oberheim did with the CEM3372 (also "lowpass only") but it would use a lot of parts and it's much easier to start with something like the SSM2164 if that's the purpose.</div><div><br></div><div>Talking of which, why not use the 2164 instead of the CA3280? You can use it for filters, VCAs, and VCOs, and it's got the exponential reposnse built in, unlike the CA3280.</div><div><br></div><div>Tom</div><div><br><div><div>On 23 Apr 2017, at 19:17, "Jay Schwichtenberg" <<a href="mailto:jschwich53@comcast.net">jschwich53@comcast.net</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="EN-US" link="blue" vlink="purple" style="font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="WordSection1" style="page: WordSection1; "><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">I'm not familiar with the original chip and from the data sheet they only show a low pass implementation. Does this chip only support low pass?<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">If people are doing old chips I'd like to see a super CA3280 made. You can use CA3280s for filters, vcas and vcos verses having special chips for those functions.<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Jay S.<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); padding: 3pt 0in 0in; "><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "><span class="Apple-converted-space"> </span>Synth-diy [mailto:synth-<a href="mailto:diy-bounces@synth-diy.org" style="color: purple; text-decoration: underline; ">diy-bounces@synth-diy.org</a>]<span class="Apple-converted-space"> </span><b>On Behalf Of<span class="Apple-converted-space"> </span></b>Justin Herrmann<br><b>Sent:</b><span class="Apple-converted-space"> </span>Saturday, April 22, 2017 10:06 PM<br><b>To:</b><span class="Apple-converted-space"> </span><a href="mailto:synth-diy@synth-diy.org" style="color: purple; text-decoration: underline; ">synth-diy@synth-diy.org</a><br><b>Subject:</b><span class="Apple-converted-space"> </span>[sdiy] SSM chip reissue<o:p></o:p></span></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">Apparently some SSM chips are going to be released, new and improved, so to speak:<a href="http://www.matrixsynth.com/2017/04/ssm-chip-production-to-return-as-ssi.html?m=1" style="color: purple; text-decoration: underline; ">http://www.matrixsynth.com/2017/04/ssm-chip-production-to-return-as-ssi.html?m=1</a><br><br>Justin<o:p></o:p></div></div>_______________________________________________<br>Synth-diy mailing list<br><a href="mailto:Synth-diy@synth-diy.org" style="color: purple; text-decoration: underline; ">Synth-diy@synth-diy.org</a><br><a href="http://synth-diy.org/mailman/listinfo/synth-diy" style="color: purple; text-decoration: underline; ">http://synth-diy.org/mailman/listinfo/synth-diy</a><br></div></blockquote></div><br></div></body></html>