Practice - Output Resistance Analysis
Practice Questions
Test your understanding with targeted questions
Define voltage gain in a common emitter amplifier.
💡 Hint: Think about what it represents regarding the input and output levels.
What does the emitter resistor (RE) do?
💡 Hint: Consider how changing components affect the voltage levels.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for voltage gain in a common emitter amplifier?
💡 Hint: Remember the roles of gm and resistors in the gain calculation.
True or False: The presence of an emitter resistor (RE) always increases voltage gain.
💡 Hint: Think about the dual role of RE in the circuit.
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Challenge Problems
Push your limits with advanced challenges
Design a common emitter amplifier that achieves a voltage gain of -15 with noted constraints of sigma voltage sources. Discuss how to maintain an operating point.
💡 Hint: Focus on practical resistor designs related to gain expressions.
Analyze the scenario where you replace RE with a capacitor. What changes occur in gain and stability? Provide calculations.
💡 Hint: Think of AC analysis differentiating impacts on both frequency responses.
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Reference links
Supplementary resources to enhance your learning experience.