About these Activities

This is a selection of Endless Examples & Exercises™ for the most basic types of operational amplifier circuits. These activities are intended to test and reinforce the math skills required for analyzing the circuit.

From this index, you can select the type of circuit and the kinds of analyses you want to perform on it.

1  Inverting Op-Amp 1-1 Given the values for Ri and Rf, determine the voltage gain, Av. 1-2 Given the values for Ri, Rf, and vi, determine the voltage gain and output voltage (Av and vo) 1-3 Given Rf and the desired amount of voltage gain, determine the value for Ri. 2  Noninverting Op-Amp 2-1 Given the values for Ri and Rf, determine the voltage gain, Av. 2-2 Given the values for Ri, Rf, and vi, determine the voltage gain and output voltage (Av and vo) 2-3 Given Rf and the desired amount of voltage gain, determine the value for Ri. Summing Ampliifier 3-1 Given: Ri1, Ri2, Ri3, Rf, Vi1, Vi2, and Vi3 Find:  Vo