<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Ok, that seems to work. There was another content filter at work, and I had to explicitly allow PDF’s to go through.<div class=""><br class=""></div><div class="">Ben<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 26 Dec 2019, at 22:04, Ben Stuyts <<a href="mailto:ben@stuyts.nl" class="">ben@stuyts.nl</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Trying to get Dave’s PDF through...<br class=""><div class=""><br class=""><blockquote type="cite" class=""><div class="">Begin forwarded message:</div><br class="Apple-interchange-newline"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;" class=""><b class="">From: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">David G Dixon <<a href="mailto:dixon@mail.ubc.ca" class="">dixon@mail.ubc.ca</a>><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;" class=""><b class="">Subject: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=""><b class="">RE: [sdiy] AD633</b><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;" class=""><b class="">Date: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">26 December 2019 at 19:42:37 CET<br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;" class=""><b class="">To: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">"'Ben Stuyts'" <<a href="mailto:ben@stuyts.nl" class="">ben@stuyts.nl</a>><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;" class=""><b class="">Cc: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=""><<a href="mailto:synth-diy@synth-diy.org" class="">synth-diy@synth-diy.org</a>><br class=""></span></div><br class=""><div class=""><div class="">Thanks, Ben. The document is attached. I use Primo PDF to make PDFs from Word documents, and it is a bit of a memory hog.<br class=""><br class="">Cheers,<br class="">Dave<br class=""><br class="">-----Original Message-----<br class="">From: Ben Stuyts [<a href="mailto:ben@stuyts.nl" class="">mailto:ben@stuyts.nl</a>] <br class="">Sent: Thursday, December 26, 2019 6:02 AM<br class="">To: David G Dixon<br class="">Cc: Chris McDowell; <a href="mailto:synth-diy@synth-diy.org" class="">synth-diy@synth-diy.org</a><br class="">Subject: Re: [sdiy] AD633<br class=""><br class="">Dave,<br class=""><br class="">There was a limit of 200 KB on attachments, so yours did not came through. I’ve upped the limit to 1 MB now, so if you resend it, it should appear on the list.<br class=""><br class="">Thanks,<br class="">Ben<br class=""><br class=""><br class=""><blockquote type="cite" class="">On 26 Dec 2019, at 06:01, David G Dixon <<a href="mailto:dixon@mail.ubc.ca" class="">dixon@mail.ubc.ca</a>> wrote:<br class=""><br class="">Hi Chris,<br class=""><br class="">I wrote up a little document explaining the circuit, which is attached (not sure it will go to the whole list or not -- can we attach files on list emails?).<br class=""><br class="">If you would like me to make you a handmade PCB as shown in the document, just let me know. I'd charge $15 for that, plus shipping. I could make it immediately.<br class=""><br class="">Cheers,<br class="">Dave<br class=""><br class=""><br class=""><br class="">-----Original Message-----<br class="">From: Chris McDowell [<a href="mailto:declareupdate@gmail.com" class="">mailto:declareupdate@gmail.com</a>] <br class="">Sent: Wednesday, December 25, 2019 5:49 PM<br class="">To: David G Dixon<br class="">Cc: klangbau; <a href="mailto:synth-diy@synth-diy.org" class="">synth-diy@synth-diy.org</a><br class="">Subject: Re: [sdiy] AD633<br class=""><br class="">I would looove to see your no-trim multiplier, David! :) I've had great success with the osamu et al schematic with the extra cell in series for temp compensation, but avoid trimmers at all (most) cost, for production but especially for personal builds! no time for fuss in these here holidays. <br class=""><br class="">Cheers,<br class="">Chris <br class=""><br class=""><blockquote type="cite" class="">On Dec 25, 2019, at 6:07 PM, David G Dixon <<a href="mailto:dixon@mail.ubc.ca" class="">dixon@mail.ubc.ca</a>> wrote:<br class=""><br class="">Yes, I have an idea. Use linearized 2164 to make your multipliers for the frequency shifter. I have a nifty little design I could send you which doesn't require any trimming, and gives very accurate balanced multiplication with a minimum of parts and fuss.<br class=""><br class=""><br class=""><br class="">-----Original Message-----<br class="">From: Synth-diy [<a href="mailto:synth-diy-bounces@synth-diy.org" class="">mailto:synth-diy-bounces@synth-diy.org</a>] On Behalf Of klangbau<br class="">Sent: Wednesday, December 25, 2019 3:30 AM<br class="">To: <a href="mailto:synth-diy@synth-diy.org" class="">synth-diy@synth-diy.org</a><br class="">Subject: Re: [sdiy] AD633<br class=""><br class="">Hallo,<br class=""><br class="">looking for AD633 to a reasonable price. Ordered a few in<br class="">China/ALI-Express in SOP-8 for 3€ each. Same as others I tested last<br class="">year; don't work and drive hot after a few seconds. My test circuit is<br class="">fine and works with AD633 bought for 10€ each. Need it for my<br class="">Frequency-Shifter.<br class=""><br class="">Any idea?<br class=""><br class="">willi<br class=""><br class=""><br class="">willi sauter<br class="">KlangbauKoeln<br class=""><br class=""><br class=""><br class="">_______________________________________________<br class="">Synth-diy mailing list<br class=""><a href="mailto:Synth-diy@synth-diy.org" class="">Synth-diy@synth-diy.org</a><br class=""><a href="http://synth-diy.org/mailman/listinfo/synth-diy" class="">http://synth-diy.org/mailman/listinfo/synth-diy</a><br class=""><br class=""><br class="">_______________________________________________<br class="">Synth-diy mailing list<br class="">Synth-diy@synth-diy.org<br class="">http://synth-diy.org/mailman/listinfo/synth-diy<br class=""></blockquote>_______________________________________________<br class="">Synth-diy mailing list<br class=""><a href="mailto:Synth-diy@synth-diy.org" class="">Synth-diy@synth-diy.org</a><br class=""><a href="http://synth-diy.org/mailman/listinfo/synth-diy" class="">http://synth-diy.org/mailman/listinfo/synth-diy</a><br class=""><br class=""></blockquote></div></div></blockquote></div></div><span id="cid:F698DBE8-C029-454E-A96B-03908A1849D3@stuyts.com"><One-VCA 4Q Multiplier Document.pdf></span><meta http-equiv="Content-Type" content="text/html; charset=us-ascii" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><blockquote type="cite" class=""><div class=""><div class=""></div></div></blockquote></div><br class=""></div>_______________________________________________<br class="">Synth-diy mailing list<br class=""><a href="mailto:Synth-diy@synth-diy.org" class="">Synth-diy@synth-diy.org</a><br class="">http://synth-diy.org/mailman/listinfo/synth-diy<br class=""></div></blockquote></div><br class=""></div></body></html>