operational amplifiers 2b. Change Rf to zero (short circuit), set Vi to 1v and R1 to 1k ohms. What is the output?2c. Change the resistance in R1 to infinity (open circuit), and change Rf to any value. What is the output?2d. Discuss the observations from the output of 2b and 2c.3a. Build the summing amplifier circuit. Measure the output voltage with the given input voltages and resistances in thetable below:V1V2V3R1R2RsRfVo1v1v1v1ko2kQ3kn3k01.1v0.5v0.75v3kn2.2kn4.7kO5kn-1.5v2v5v5kQ4kO3kQ1ko-1.1v-2.2v-3.3v5kO5ko5kN5kn

Question 2 is incomplete. So question 3 will be solved. According to the question we have to design…

Answered: 3a. Build the summing amplifier…

3a. Build the summing amplifier circuit. Measure the output voltage with the given input voltages and resistances in the table below:

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Operational Amplifier

An operational amplifier also called op amp is an integrated circuit or analog circuit that takes input as a differential voltage and produces output as a single-ended voltage. It is an IC that can amplify weak electric signals.An op amp has one output pin and two input pins. The basic role of an opamp is to amplify the voltage difference between the two input voltages. It is also used in filtering or to perform mathematical operations or in signal conditioning.

Question

operational amplifiers

2b. Change Rf to zero (short circuit), set Vi to 1v and R1 to 1k ohms. What is the output?
2c. Change the resistance in R1 to infinity (open circuit), and change Rf to any value. What is the output?
2d. Discuss the observations from the output of 2b and 2c.
3a. Build the summing amplifier circuit. Measure the output voltage with the given input voltages and resistances in the
table below:
V1
V2
V3
R1
R2
Rs
Rf
Vo
1v
1v
1v
1ko
2kQ
3kn
3k0
1.1v
0.5v
0.75v
3kn
2.2kn
4.7kO
5kn
-1.5v
2v
5v
5kQ
4kO
3kQ
1ko
-1.1v
-2.2v
-3.3v
5kO
5ko
5kN
5kn

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