Concept explainers
Given the op amp circuit shown in Fig. 5.72, express vo in terms of v1 and v2.
Figure 5.72
For Prob. 5.34.
State the expression for the voltage
Answer to Problem 34P
The expression for the voltage
Explanation of Solution
Given data:
Refer Figure 5.72 in the textbook for the op amp circuit.
Calculation:
Consider that the given circuit is a non-inverting amplifier.
Modify to the Figure 5.72 by indicating the node voltage
In Figure 1, write the expression by the use of Kirchhoff's current law.
Re-arrange the equation.
Consider the expression for the voltage
Substitute
Consider the expression for voltage
Re-arrange equation (2).
Multiply
Substitute equation (3) in (4).
Conclusion:
Thus, the expression for the voltage
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Chapter 5 Solutions
Fundamentals of Electric Circuits
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