Practice - Simple BJT Current Mirror - 12.3
Practice Questions
Test your understanding with targeted questions
What is IREF in a Simple BJT Current Mirror?
💡 Hint: Remember, IREF flows through RREF connected to VCC.
How is Q1 configured in a Simple BJT Current Mirror?
💡 Hint: Think about how this affects its current-voltage relationship.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the configuration of Q1 in a Simple BJT Current Mirror?
💡 Hint: Think about how this connection affects current flow.
True or False: The current IOUT can be greater than IREF in a Simple BJT Current Mirror.
💡 Hint: Reflect on the relationship between the transistor currents.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a current mirror where IREF is set to 2mA using a resistor tied to a 12V source. Calculate RREF assuming VBE is 0.7V. What minimum resistor value should you choose?
💡 Hint: Step through Ohm's law and keep the voltage drop in mind.
Evaluate the impact of a significant beta mismatch in your BJT transistors. How might this affect the expected output current?
💡 Hint: Think of the reliability and precision implications for high-stakes applications.
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Reference links
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