Practice - Voltage Gain Calculation
Practice Questions
Test your understanding with targeted questions
What does voltage gain represent in an amplifier?
💡 Hint: Think about how an amplifier enhances signals.
How is transconductance (g_m) calculated?
💡 Hint: Consider the currents and voltages related to the transistor.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for voltage gain?
💡 Hint: Think about how the amplifier transforms the input signal.
True or False: A voltage gain of 1 indicates no amplification.
💡 Hint: Remember what a buffer does to a signal.
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Challenge Problems
Push your limits with advanced challenges
Calculate the voltage gain and input impedance for a common collector amplifier given: β = 120, I_C = 1 mA, and r_o = 150 kΩ.
💡 Hint: Convert I_C to g_m first.
In a scenario where the load capacitance increases and source resistance is significant, analyze how this affects the bandwidth of the amplifier.
💡 Hint: Remember f_cutoff = 1 / (2πRC); how do varying R and C affect this?
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Reference links
Supplementary resources to enhance your learning experience.