Practice Common-emitter (ce) Amplifier (4.2.1.1) - RF Amplifiers and Filters
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Common-Emitter (CE) Amplifier

Practice - Common-Emitter (CE) Amplifier

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the main purpose of a common-emitter amplifier?

💡 Hint: Think about the need in communication systems.

Question 2 Easy

What does the gain equation for a common-emitter amplifier look like?

💡 Hint: Consider both the collector resistance and internal emitter resistance.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of a common-emitter amplifier?

To reject signals
To amplify weak signals
To filter signals

💡 Hint: Think about why we use amplifiers in communication.

Question 2

True or False: The voltage gain of a CE amplifier can be represented by the equation Av = -R_C / r_e.

True
False

💡 Hint: Remember the key equation we discussed.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a common-emitter amplifier with a voltage gain of -20. If the internal emitter resistance is 200 Ohms, what should be the collector resistance?

💡 Hint: Use the gain equation and solve for R_C.

Challenge 2 Hard

Explain how changing the collector resistance impacts the gain of a common-emitter amplifier. What practical effects might this have on the circuit performance?

💡 Hint: Think about the trade-offs in amplifier design.

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Reference links

Supplementary resources to enhance your learning experience.