Practice - Performance Enhancement by Active Device
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Practice Questions
Test your understanding with targeted questions
What does a differential amplifier do?
💡 Hint: Think about the operation of amplifiers.
What is the typical voltage drop V_BE for BJTs?
💡 Hint: Consider standard values for BJT transistors.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main function of a differential amplifier?
💡 Hint: Consider the inputs and what the amplifier does.
True or False: Increasing the common mode gain will not affect a differential amplifier.
💡 Hint: Reflect on the consequences of high common mode signals.
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Challenge Problems
Push your limits with advanced challenges
Design a differential amplifier using BJTs and replace the tail resistor with an active device. Discuss the expected outcomes.
💡 Hint: Focus on the benefits of active components in circuits.
Calculate the expected output if given a differential input of 0.02 volts and a common mode input of 0.2 volts with stated gains.
💡 Hint: Use the formulas for A_d and A_c to find results.
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Reference links
Supplementary resources to enhance your learning experience.