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<DIV><FONT face=Arial size=2>Any flanger circuit that uses a 4046 for the clock
(lot of others too) can be easilly modded for VC use.</FONT></DIV>
<DIV>Just mix a a jack for the CV and the original LFO. 100K resistors work
fine.</DIV></FONT></DIV>
<DIV> </DIV>
<DIV>Here's a really cool circuit:</DIV>
<DIV><A
href="http://home.debitel.net/user/jhaible/jh_storm_tide_flanger.html">http://home.debitel.net/user/jhaible/jh_storm_tide_flanger.html</A></DIV>
<DIV>It's a pretty big circuit though.</DIV>
<DIV> </DIV>
<DIV>I'm working on one using 2 R5106's. (Probably more suitable than
3207's)</DIV>
<DIV>For the MN3207's if you need really fast clocking speeds (which you really
do) - up to 1.5 MHz can be done - you need a buffer. Three inverters for each
clock phase (using a 4049).</DIV>
<DIV> </DIV>
<DIV>Here's a link for that:</DIV>
<DIV><A
href="http://www.hollis.co.uk/john/ultraflanger3.jpg">http://www.hollis.co.uk/john/ultraflanger3.jpg</A></DIV>
<DIV>It's for MN3007 but I think it's not too rough to adapt. Just tweaking the
bias and power supply.</DIV>
<DIV> </DIV>
<DIV>There are schematics for flangers with MN3207's, but all of the reviews of
these models are fairly poor. I'm guessing that too slow clock speeds were used
so what they really were were more like tubular chorus.</DIV>
<DIV> </DIV>
<DIV>A lot of the earlier flangers and choruses used SAD1024's and SAD512's and
R5106's which have a higher rated max clock speed. These seem to be the more
prized of the vintage flangers.</DIV>
<DIV> </DIV>
<DIV>MN3207's work great for <STRONG>chorus</STRONG> though. The Dimension C
used 2 and it's superb. Really to get blown away by chorus it should be stereo
and the Dim C is true stereo. And even though it's pretty subtle it blows people
away.</DIV>
<DIV> </DIV>
<DIV>Here's another good starting point:</DIV></FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="http://ampage.org/cgi-bin/hammer/index.cgi?cmd=lt&xid=&fid=&ex=&pg=1">http://ampage.org/cgi-bin/hammer/index.cgi?cmd=lt&xid=&fid=&ex=&pg=1</A></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>
<DIV><FONT face=Arial size=2>I need to find the link to the flanger uses a
4007/4047 for the clock. </FONT></DIV>
<DIV><FONT face=Arial size=2>If I can't find it I'll mail a scan of my handdrawn
version.</FONT></DIV></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>All of these links have good chorus
examples.</FONT></DIV>
<DIV><FONT face=Arial size=2>I hope that gets you started. (Hope I didn't
over-answer)</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV> </DIV>
<DIV>----- Original Message ----- </DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=dustin.sedlacek@gmail.com
href="mailto:dustin.sedlacek@gmail.com">dustin sedlacek</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=seb@burnit.co.uk
href="mailto:seb@burnit.co.uk">Seb Francis</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Cc:</B> <A title=synth-diy@dropmix.xs4all.nl
href="mailto:synth-diy@dropmix.xs4all.nl">Synth DIY</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, June 16, 2005 4:39
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [sdiy] BBDs</DIV>
<DIV><BR></DIV>can these be used to make a VC flanger ? anyone have any schems
? <BR><BR>
<DIV><SPAN class=gmail_quote>On 6/16/05, <B class=gmail_sendername>Seb
Francis</B> <<A href="mailto:seb@burnit.co.uk">seb@burnit.co.uk</A>>
wrote: </SPAN>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">Hi
All,<BR><BR>I'd just like to make a quick recommendation about VisualSound
.. they <BR>are selling new MN3207 BBD chips (not old stock Panasonic)
for<BR>reasonable prices ..<BR><A
href="http://www.visualsound.net/bbd.htm">http://www.visualsound.net/bbd.htm</A><BR><BR>I
just ordered a few from them and despite the fact that I'm in UK and
<BR>they are in US, they arrived very quickly .. and in fact the P&P
cost<BR>was less than if I had ordered from a UK
company!<BR><BR>Seb<BR><BR><BR></BLOCKQUOTE></DIV><BR><BR><BR>-- <BR>Dustin
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