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I already apologize for my medium english... I'm a french guy, not really gifted to recognize electronic circuits :

In fact, I need to identify a circuit from is function. So, here is the block (called OCT)

enter image description here

I only know that the components are organized in the following manner

enter image description here

where INT is an integrator, COMP is a hysteresis comparator (which compares the entering signal with zero), and $\epsilon=sign(v_{s_4}(t))$. Thus, it gives when $\mathcal{V}_A(t)=v_0$ :

enter image description here

Or in the general case

enter image description here

So, it seems that my OCT is a kind of Voltage-controlled oscillator, but which one ? (I'm due to buy it...).

Thanks everyone and again, sorry for my approximative english.

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closed as off-topic by DavePhD, Kyle Kanos, Qmechanic May 9 '14 at 12:55

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question appears to be about engineering, which is the application of scientific knowledge to construct a solution to solve a specific problem. As such, it is off topic for this site, which deals with the science, whether theoretical or experimental, of how the natural world works. For more information, see this meta post." – DavePhD, Kyle Kanos
If this question can be reworded to fit the rules in the help center, please edit the question.

Would Electrical Engineering be a better home for this question? – Qmechanic May 9 '14 at 11:46
Step back and explain what you are really trying to accomplish and leave your imagined solution with the various blocks out of it. Just because you can write a simple equation for something doesn't mean it is easy to realize with physical parts. If all you want is a VCO, then say so. These things are available off the shelf or easy to make yourself in various ways, but we need to know what specs are important. – Olin Lathrop May 9 '14 at 12:55