88.3.3 - Additional Current Requirement
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Practice Questions
Test your understanding with targeted questions
Define a current mirror in your own words.
💡 Hint: Think about how currents are maintained in transistor circuits.
What does beta (β) represent in a transistor?
💡 Hint: Consider it as a measure of how much current is amplified.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of a current mirror?
💡 Hint: Remember its role in controlling other transistor currents.
True or False: The output voltage of an amplifier using a current mirror can greatly vary with small mismatches in transistor characteristics.
💡 Hint: Consider how precision in matching affects overall performance.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a current mirror circuit to support an output current of 10 mA with desired stability. Calculate the necessary components assuming all transistors have a beta of 150.
💡 Hint: Evaluate how input and output conditions correlate with component values.
Given a common emitter circuit with varying parameters, calculate the expected DC output voltage if the collector current is found to be 3.5 mA with Early voltage at 50 V.
💡 Hint: Factor in changes based on current flowing and voltage presentation in feedback situations.
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