Virtual Labs

Tools

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Measurement of Operational Amplifier Parameters : Common mode gain, Differential mode gain, CMRR, Slew Rate.

Choose difficulty:

Beginner

Intermediate

Advanced

1. The ratio between the Open Loop Gain and Common Mode Voltage is called ____________.

a: Slew Rate Explanation

Explanation

b: CMRR Explanation

Explanation

c: Double Ended Explanation

Explanation

d: Stable Explanation

Explanation

2. Given an op-amp who’s gain is unknown but the output is saturated, which of the following is not possible?

a: No feedback is being applied Explanation

Explanation

b: Negative feedback is applied while input is more than –VSat/AOL Explanation

Explanation

c: Positive feedback is applied Explanation

Explanation

d: Negative feedback is applied while the input is more than VSat/AOL Explanation

Explanation

3. What is incorrect regarding the output offset voltage of op-amp?

a: It is the output when the input voltage at both input pins of op-amp is zero Explanation

Explanation

b: It occurs due to dissimilarities in the internal structure of the op-amp Explanation

Explanation

c: The output offset voltage does not depend on the supply voltage Explanation

Explanation

d: The output offset voltage can be in the units of Volts Explanation

Explanation

4. Which of these is incorrect for an operational amplifier?

a: It has a high voltage gain Explanation

Explanation

b: It is a direct coupled amplifier Explanation

Explanation

c: It is only useful for amplifying AC signals Explanation

Explanation

d: It was originally designed to perform mathematical operations Explanation

Explanation

Community Links Sakshat Portal Outreach Portal FAQ: Virtual Labs

AGPL 3.0 & Creative Commons (CC BY-NC-SA 4.0)