66.5.1 - Theoretical Limit of Gain
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Practice Questions
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What is an active load?
💡 Hint: Think about what components can dynamically adjust voltage.
Describe the role of beta in transistor amplifiers.
💡 Hint: Beta can be expressed as Ic/Ib.
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Interactive Quizzes
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What component replaces passive load in an active load amplifier?
💡 Hint: Consider which component can adapt to changes in signal.
True or False: The voltage gain increases indefinitely with supply voltage.
💡 Hint: Think about constraints in electronic circuits.
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Challenge Problems
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If a common emitter amplifier has a quiescent collector current of 5 mA, and the resistor in the collector is 1 kΩ, what is the maximum voltage gain assuming V_T is approximately 26 mV?
💡 Hint: Be mindful to convert units appropriately.
Design a common source amplifier to achieve a minimum gain of 10. What characteristics must you consider in your setup?
💡 Hint: Explore the relationship of overdrive voltage to threshold voltage.
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