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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the small signal model used for?
💡 Hint: Think about AC signals and their effects on DC circuits.
Question 2
Easy
Name the two parasitic capacitances in BJTs.
💡 Hint: Consider the connections of the transistor terminals.
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 does the small signal model assume about DC signals?
- They are zero
- They are large
- They are fixed
💡 Hint: Consider the implications of 'small signal' analysis.
Question 2
True or False: Parasitic capacitances have no effect at low frequencies.
- True
- False
💡 Hint: How do capacitances influence frequencies?
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a Common Emitter amplifier circuit that includes measures to handle potential thermal runaway issues. Discuss what elements will enhance stability.
💡 Hint: Think about how feedback works in stabilizing circuits.
Question 2
If a BJT has an Early voltage of 100V and a collector-emitter voltage of 10V, calculate how the output current might change when the voltage increases to 20V.
💡 Hint: Refer to the changes in collector current with respect to V_ce variations.
Challenge and get performance evaluation