52.1.5 - Common Base and Common Gate Amplifiers (Contd.): Numerical Examples (Part B)
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Practice Questions
Test your understanding with targeted questions
What is the main function of a common base amplifier?
💡 Hint: Think about its primary use in amplifying input signals.
Define transconductance (g_m).
💡 Hint: Consider the relationship between input voltage and output current.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary role of a common base amplifier?
💡 Hint: Consider its usage in electronic circuits.
True or False: The output swing in a common base amplifier can vary significantly depending on the input signal.
💡 Hint: Reflect on maximum output and input correlations.
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Challenge Problems
Push your limits with advanced challenges
Given a common base amplifier with V_dd = 12V, R_A = 100kΩ, and R_B = 100kΩ, derive the emitter current if V_BE is 0.7V, and discuss the implications of this setup.
💡 Hint: Use Ohm’s law and the rules for connecting these resistances.
Analyze a BJT circuit and determine its effective output swing when subjected to a sinusoidal input; include any distortion considerations.
💡 Hint: Think through the AC responses and how they relate to DC biases.
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