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 Forum index » DIY Hardware and Software » The layout factory
Wildcat VCF-3 PCB
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vladosh



Joined: Aug 02, 2010
Posts: 422
Location: macedonia
Audio files: 6

PostPosted: Wed Oct 08, 2014 12:08 am    Post subject: Wildcat VCF-3 PCB Reply with quote  Mark this post and the followings unread

Made a layout for VCF-3 from EFM's Wildcat ,it's Oberheim type VCF i built once ,liked it so i thought i'll make another ..there were two errors in the layout which i corrected ,but there's no silkscreen so if anyone's making it gonna have to follow schematic ,that's what i do )) ,for the expo pair i used BCM857 cause i had some ,you can find SMD to DIP adapter at the Buchla 258 thread ,here is schematic and ready for print layout ,it could have been done better i'm sure ,there's a 10K resistor going from the expo converter to the OTA which is missing in the schematic but is included in the layout


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Baloo



Joined: Jul 09, 2013
Posts: 15
Location: France

PostPosted: Tue Oct 21, 2014 2:19 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks a lot .. I will build this one for sure never enough filters.
Wink
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vladosh



Joined: Aug 02, 2010
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Location: macedonia
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PostPosted: Tue Oct 21, 2014 2:50 pm    Post subject: Reply with quote  Mark this post and the followings unread

Sure Baloo , i still haven't finished mine it's almost done , happy building ))
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Baloo



Joined: Jul 09, 2013
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Location: France

PostPosted: Tue Oct 21, 2014 3:04 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks Vladosh you can try this other 2 pole filter:

http://www.analogsynth.de/synths/mod2/ms20filter/rene_ms20_filter_clone%20rev%204.pdf
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vladosh



Joined: Aug 02, 2010
Posts: 422
Location: macedonia
Audio files: 6

PostPosted: Tue Oct 21, 2014 3:22 pm    Post subject: Reply with quote  Mark this post and the followings unread

i am sure Rene's MS20 VCF is great ,thanks
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vladosh



Joined: Aug 02, 2010
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PostPosted: Yesterday, at 11:49 am    Post subject: Reply with quote  Mark this post and the followings unread

there's another error in this layout ,the 10K from output to -15 , but there is room to drill two holes and put a resistor there to fit nicely ,i will update the layout
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