87.6.2 - DC and Small Signal Analysis
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Practice Questions
Test your understanding with targeted questions
What is the primary function of a current mirror?
💡 Hint: Think about the purpose of mirroring currents.
What is a cascode transistor?
💡 Hint: Consider its placement in a circuit.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main advantage of using a cascode transistor in a current mirror?
💡 Hint: Think about the role of cascode in stabilizing circuits.
True or False: The output resistance of a current mirror decreases when a cascode configuration is used.
💡 Hint: Consider what happens to resistance when transistors are cascaded.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a BJT current mirror that incorporates a cascode configuration. Calculate the required resistor values for biasing and determine the output resistance based on given parameters.
💡 Hint: Consider both transistors' characteristics and the guidelines for biasing.
Given an n-channel MOSFET current mirror with specific g_m and r_o parameters, compute the output current when the input voltage fluctuates within specified limits.
💡 Hint: Look back at the formula connecting input voltage change to output changes.
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