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 Forum index » DIY Hardware and Software
tl084/tl064 question
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rubendelacosta



Joined: Dec 25, 2005
Posts: 153
Location: lisbon
PostPosted: Mon Oct 06, 2008 8:58 am    Post subject: tl084/tl064 question Reply with quote  Mark this post and the followings unread
hi there!

can i replace a tl064 by a tl084? it's for a vca.
I understand that tl064 is jfet, does it matter?
can't post the schematic beacause it's copyrighted... sorry


thanks, ruben.
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urbanscallywag



Joined: Nov 30, 2007
Posts: 317
Location: sometimes
PostPosted: Mon Oct 06, 2008 9:39 am    Post subject: Reply with quote  Mark this post and the followings unread
They are both JFET input. The TL064 has a lot lower quiescent current than the TL084 so unless its a battery powered device or has a undersized power supply you shouldn't have a problem. The TL084 has less distortion too.
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rubendelacosta



Joined: Dec 25, 2005
Posts: 153
Location: lisbon
PostPosted: Mon Oct 06, 2008 9:55 am    Post subject: Reply with quote  Mark this post and the followings unread
good news then!

thanks a lot,
ruben.
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