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 Forum index » DIY Hardware and Software » Thomas Henry designs
Thomas Henry Linear 566 VCO Problem
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deathciro



Joined: Jan 21, 2014
Posts: 5
Location: Italy

PostPosted: Tue Mar 04, 2014 10:43 am    Post subject: Thomas Henry Linear 566 VCO Problem Reply with quote  Mark this post and the followings unread

Hi guys! I've some problems with this circuit, I wanna re-design the components with a different supply and I don't know how to calculate the current that pass through pin 6 !
I think that the current that flows into pin 6 is the difference between the current that flows through R1 , that's -15/R1 , and the input op-amp current, that's (Vin/R3).... any ideas?
And I can't understand how this current is related with the formula of fout, that could be equal to (k(v+)-(v))/RC(v+)
Where v+ is the supply to pin 8... in these circuit 0 volt.
where v is the control voltage , in these circuit is the op-amp out.


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