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Op Amp Question

Please, can somebody here help me with solutions to this question?

 

 

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Permalink Reply by Jerry on May 21, 2012 at 11:41pm

I think your circuit has a problem.  The first op amp has positive feedback.  This would cause the output at pin 3 to go to the positive and negative rails, giving us a square wave which would feed into the second op amp, with negative feedback, also giving us a square wave.  I think the intent was to have negative feedback on the first op amp, but I could be wrong.  It wouldn't be the first time.

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