66.3.1 - Limitation of Voltage Gain
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Practice Questions
Test your understanding with targeted questions
Identify one role of the load resistor in a CE amplifier.
💡 Hint: Think about how the resistor interacts with current.
What is transconductance (g_m)?
💡 Hint: Consider how it influences gain.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary limitation of voltage gain in a CE amplifier?
💡 Hint: Consider the role of resistance in voltage division.
True or False: The voltage gain of a common source amplifier is typically higher than that of a common emitter amplifier.
💡 Hint: Reflect on the gain values discussed.
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Challenge Problems
Push your limits with advanced challenges
Assume a common emitter amplifier has a load resistor of 1.5 kΩ and the DC supply voltage is 12V. If the thermal voltage is 26 mV, derive the maximum theoretical gain for this configuration.
💡 Hint: Make sure to convert thermal voltage correctly and look at the concept of maximum gain.
Propose a design modification for a common source amplifier experiencing low voltage gain. Detail how you would implement an active load and its expected impact.
💡 Hint: Think about why using an active element can affect gain positively.
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