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 Forum index » DIY Hardware and Software » fonik's place
PCBs/Panels for the Quadrature Function Generator (QFG)
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fonik



Joined: Jun 07, 2006
Posts: 3923
Location: Germany
Audio files: 23

PostPosted: Sat Nov 04, 2017 12:48 pm    Post subject: PCBs/Panels for the Quadrature Function Generator (QFG)
Subject description: Now available via THONK
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THONK now has the PCBs and Panels in store:
https://www.thonk.co.uk/shop/fonitronik-th-qfg-panelpcb-set/

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TH-QFG by Matthias Herrmann, on Flickr

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cheers,
matthias
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bamboombaps



Joined: Oct 23, 2015
Posts: 60
Location: Glasgow

PostPosted: Tue Jan 02, 2018 10:39 am    Post subject: Reply with quote  Mark this post and the followings unread

What type of caps should one use for the timing 4n7 and 470n?
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fonik



Joined: Jun 07, 2006
Posts: 3923
Location: Germany
Audio files: 23

PostPosted: Tue Jan 02, 2018 10:56 am    Post subject: Reply with quote  Mark this post and the followings unread

that's what i used IIRC. depends on your tase and i wanted some overlap.
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fonik



Joined: Jun 07, 2006
Posts: 3923
Location: Germany
Audio files: 23

PostPosted: Tue Jan 02, 2018 10:57 am    Post subject: Reply with quote  Mark this post and the followings unread

for the 4n7 use C0G/NP0 ceramics, for 470n film would be good.
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cheers,
matthias
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bamboombaps



Joined: Oct 23, 2015
Posts: 60
Location: Glasgow

PostPosted: Tue Jan 02, 2018 11:11 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks man!!
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