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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary function of biasing in amplifiers?
π‘ Hint: Think about how we wanted the amplifier to behave.
Question 2
Easy
What happens to DC currents in small signal analysis?
π‘ Hint: Consider what we focus on for small signal behavior.
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 biasing in amplifiers primarily affect?
- Output voltage
- Input voltage
- Operating point
π‘ Hint: Think about what allows the amplifier to function correctly.
Question 2
In small signal analysis, we drop which component?
- DC currents
- AC signals
π‘ Hint: Remember what we want to analyze?
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a Common Base amplifier with parameters g_m = 100 mA/V and r_o = 1 kΞ©, determine the voltage gain assuming an input signal of 5 mV.
π‘ Hint: Apply the voltage gain formula after identifying the required variables.
Question 2
Analyze how input impedance is affected when a source resistance of 1 kΞ© is coupled to an amplifier with an input resistance of 50 Ξ©.
π‘ Hint: Visualize the resistances in series and consider the voltage division.
Challenge and get performance evaluation