Practice - Class A Power Amplifier Calculations
Practice Questions
Test your understanding with targeted questions
Define what a Class A amplifier is.
💡 Hint: Think about the entire signal swing.
What does I_CQ represent?
💡 Hint: It’s a current that flows without any activation.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the maximum theoretical efficiency of Class A amplifiers?
💡 Hint: Remember the maximum theory discussed in class.
True or False: Class A amplifiers always conduct current regardless of the input signal.
💡 Hint: Think back to the definition of Class A amplifiers.
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Challenge Problems
Push your limits with advanced challenges
Design a Class A amplifier with a supply voltage of 15V. If you choose a quiescent current of 15mA, calculate the efficiency when the maximum undistorted AC output is 3V.
💡 Hint: Consider boundaries of output power vs. input power.
Discuss the trade-off scenarios between efficiency and fidelity in Class A amplifiers while offering a design suggestion to minimize distortion.
💡 Hint: Evaluate the balance between how much power a Class A amplifier can realistically use versus delivering a clean signal.
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Reference links
Supplementary resources to enhance your learning experience.