Practice Op-amp Basic Gain Stages Calculations (9.2) - DIFFERENTIAL AMPLIFIER AND BASIC OP-AMP GAIN STAGES
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Op-Amp Basic Gain Stages Calculations

Practice - Op-Amp Basic Gain Stages Calculations

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define a differential amplifier.

💡 Hint: Think about what inputs the amplifier focuses on.

Question 2 Easy

What does CMRR stand for?

💡 Hint: It measures the ability to reject signals common to both inputs.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does a differential amplifier primarily do?

Amplifies the same signal from two sources
Amplifies the difference between two input signals
Ignores all signals

💡 Hint: Think of its name and its function.

Question 2

Is a higher CMRR desirable in amplifier design?

True
False

💡 Hint: Consider noise rejection capabilities in circuits.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given that R_C is 4.7 kΩ and I_CQ is 1.5 mA, calculate the differential gain A_d for a BJT differential amplifier. Discuss how changes in each parameter would affect A_d.

💡 Hint: Analyze how variations in components impact the gain.

Challenge 2 Hard

Design a simple inverting amplifier using an LM741 op-amp, targeting a gain of -5. Calculate resistor values needed and confirm your design by simulating the circuit.

💡 Hint: Select resistor values to achieve the desired gain and check your design in a simulator.

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Reference links

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