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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define voltage gain in the context of a common emitter amplifier.
💡 Hint: Think about how output voltage is determined based on input voltage.
Question 2
Easy
What does transconductance (g_m) measure?
💡 Hint: It relates to the operation of the transistor's collector current.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the formula used to calculate voltage gain in a common emitter amplifier?
- A_v = R_C / R_E
- A_v = g_m × R_C
- A_v = I_C × V_CC
💡 Hint: Consider the key parameters that dictate how voltage gain is achieved.
Question 2
Is it true that increasing I_C increases the voltage gain?
- True
- False
💡 Hint: Focus on the relationship between current and gain metrics.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a common emitter amplifier that meets the following specifications: A voltage gain of 50, supply voltage of 15 V, and a minimum output swing of ± 5 V. Calculate necessary component values.
💡 Hint: Analyze the required gain and set up your equations accordingly.
Question 2
Calculate the maximum power dissipation in a CE amplifier with a maximum I_C of 2 mA and a supply voltage of 12V, and discuss potential design implications if power dissipation exceeds recommended levels.
💡 Hint: Consider checking the thermal characteristics of your devices.
Challenge and get performance evaluation