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 Forum index » DIY Hardware and Software
DS 7 clone
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roboter



Joined: Feb 18, 2018
Posts: 3
Location: Belgium

PostPosted: Sun Feb 18, 2018 7:45 am    Post subject: Reply with quote  Mark this post and the followings unread

I am planning on building this, does anybody know why the filter after the VCO has such a low cutoff? Won't this cause attenuation with increasing VCO frequency? Also what is the output waveform of this VCO and is there a link where this (or a similar) VCO is explained?
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roboter



Joined: Feb 18, 2018
Posts: 3
Location: Belgium

PostPosted: Sun Feb 18, 2018 2:06 pm    Post subject: Reply with quote  Mark this post and the followings unread

I think I figured it out, the bottom right OPAMP acts as an integrator and the one above with the bipolar resets the circuit. So the output would be a sawtooth
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strato54s



Joined: Mar 03, 2014
Posts: 3
Location: france

PostPosted: Sun Apr 01, 2018 3:59 pm    Post subject: Coron ds7 clone
Subject description: Umschmit
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Hi
I don't know if there is already someone here.
I just finish my ds7 lot of fun.
I got some question for umschmitt about the layer page 10

Where did you get 1/2V? (don't laugth I m newbee)
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