Practice Calculating Gain and Other Parameters - 30.1.3 | 30. Common Emitter Amplifier (contd.) - Design guidelines (Part A) | Analog Electronic Circuits - Vol 2
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30.1.3 - Calculating Gain and Other Parameters

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Learning

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