Practice - Input Capacitance and Impedances
Practice Questions
Test your understanding with targeted questions
What is the formula for calculating voltage gain?
💡 Hint: Think about the relationship between output and input voltages.
What does the term 'input resistance' refer to?
💡 Hint: Identify which part of the circuit affects how the input voltage is seen by the signal.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the approximate voltage gain of a common collector amplifier?
💡 Hint: Think about the typical behavior of amplifiers in this configuration.
True or False: Input resistance affects the performance of an amplifier.
💡 Hint: Consider how much of the input signal manages to enter the transistor.
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Challenge Problems
Push your limits with advanced challenges
For a common collector amplifier, if the resistance of R_E is doubled, how does it affect the input and overall gain?
💡 Hint: Use the formulas for input resistance as part of your analysis.
Calculate the upper cutoff frequency for an amplifier with an output resistance of 600 Ω and Cgs valued at 2 pF.
💡 Hint: Be sure to apply the cutoff frequency formula appropriately.
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Reference links
Supplementary resources to enhance your learning experience.