Problem 44-1    Source:  Problem 4-26 - page 211 -   THOMAS, Roland E. , ROSA, Albert J. , THOUSSAINT, Gregory J. -   Book: The Analysis & Design of Linear Circuits - 6ª Edição - Ed. John Willey & Sons, Inc. - 2009.

a) Find V_o in terms of the inputs V₁ and V₂ of the circuit in the Figure 44-01.1.

b) If V₁ = 1 V what is the range of values V₂ can have without saturing the Opamp?

Problem 44-2    Source:   Problem elaborated by the author of the site.

Calculate the voltage V₁ and V_o in the circuit shown in the Figure 44-02.1.