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Op Amp Applications Derivations

Please see attached scan; this is a review from my electronics course;
q1. Derivation and circuit for a non-inverted output.
q2. Derivation of equation
q3. derivation for gain showing high pass filter and breakpoint frequency
q4. Derivation for gain showing high pass filter and the difference between an active filter and a filter in q3.
q5. I have the derivation of the twin-t alone, but please help me understand qualitatively how it works in concert with the op amp.

Please include as many steps as possible.
Thank you.

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Dear student,

Please see the attached file (.doc or .pdf).

I trust this will help you...
By the way, the diference between a first-order filter and a second order filter is that the second-order filter has a steeper slope from the passband to the stopband - it's a ...

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