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<p>Got it! Thanks Dave<br>
</p>
<div class="moz-cite-prefix">On 12/26/19 3:04 PM, Ben Stuyts wrote:<br>
</div>
<blockquote type="cite"
cite="mid:0272740A-F47B-4FAD-967D-240DF644A2E0@stuyts.nl">
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Trying to get Dave’s PDF through...<br class="">
<div><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; color:rgba(0, 0, 0, 1.0);" 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=""
moz-do-not-send="true">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; color:rgba(0, 0, 0, 1.0);" 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; color:rgba(0, 0, 0, 1.0);" 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:
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sans-serif; color:rgba(0, 0, 0, 1.0);" 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=""
moz-do-not-send="true">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:
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sans-serif; color:rgba(0, 0, 0, 1.0);" 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=""
moz-do-not-send="true">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=""
moz-do-not-send="true">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=""
moz-do-not-send="true">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="" moz-do-not-send="true">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=""
moz-do-not-send="true">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="" moz-do-not-send="true">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=""
moz-do-not-send="true">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="" moz-do-not-send="true">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=""
moz-do-not-send="true">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="">
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