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 Forum index » DIY Hardware and Software » YuSynth
ADSR glitch smoothing
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LektroiD



Joined: Aug 23, 2008
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PostPosted: Thu Oct 07, 2010 11:54 am    Post subject: ADSR glitch smoothing Reply with quote  Mark this post and the followings unread
I get clicks when either (or both) Attack or Release are at zero position. The documentation suggests to adjust the value of R14 to reduce glitch. Would it be advisable to increase or reduce the value? As we all know, home etched boards tend not to last too long when swapping out components, so I would rather get this right in one hit.

I'm also considering replacing R14 with a 10K cermet trim pot, would this work, and if so, would I need to tie the unused pin to the wiper?
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yusynth



Joined: Nov 24, 2005
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PostPosted: Fri Oct 08, 2010 12:47 pm    Post subject: Reply with quote  Mark this post and the followings unread
As a matter of fact just try to rplace the 100 ohm resistor in series with the ATTACK pot by a slightly larger resistor (180 or 220 ohms) and see if the click is still there...
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LektroiD



Joined: Aug 23, 2008
Posts: 1019
Location: Scottish Borders
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PostPosted: Tue Oct 26, 2010 11:54 pm    Post subject: Reply with quote  Mark this post and the followings unread
yusynth wrote:
As a matter of fact just try to rplace the 100 ohm resistor in series with the ATTACK pot by a slightly larger resistor (180 or 220 ohms) and see if the click is still there...


200Ω did the job nicely, thank you Smile
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yusynth



Joined: Nov 24, 2005
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Location: France
PostPosted: Wed Oct 27, 2010 12:26 am    Post subject: Reply with quote  Mark this post and the followings unread
LektroiD wrote:
yusynth wrote:
As a matter of fact just try to rplace the 100 ohm resistor in series with the ATTACK pot by a slightly larger resistor (180 or 220 ohms) and see if the click is still there...


200Ω did the job nicely, thank you Smile


excellent !
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