51.1.6 - Input Impedance Calculation
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Practice Questions
Test your understanding with targeted questions
Define input impedance in your own words.
💡 Hint: Think about how resistance works with electric signals.
What is the primary role of a common base amplifier?
💡 Hint: Consider where the input and output terminals are located.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of a common base amplifier?
💡 Hint: Consider what is typically measured in amplifiers.
True or False: Input impedance in a common base amplifier is generally high.
💡 Hint: Remember how this type of amplifier operates.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Consider a common base amplifier with a source resistance of 10k Ohms, and an input impedance of 26 Ohms. What would be the expected impact on output voltage?
💡 Hint: Use concepts from voltage division to guide your analysis.
Design an amplifier circuit aiming for a gain of 50 with the lowest possible input impedance. What components would you select?
💡 Hint: Use the voltage gain formula and consider the importance of bypass capacitors.
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