33.5.8 - High Frequency Considerations
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Practice Questions
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What is the Miller effect?
💡 Hint: Consider feedback and its impact on capacitance.
Define output conductance.
💡 Hint: Think about load driving capabilities.
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Interactive Quizzes
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What happens to voltage gain at high frequencies due to parasitic capacitances?
💡 Hint: Think about what capacitance does to signal efficiency.
True or False: The Miller effect reduces the impact of gate-to-source capacitance.
💡 Hint: Consider how feedback affects capacitance.
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Challenge Problems
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Design a common source amplifier for a 2.4GHz frequency application. Include considerations for parasitic capacitances and suggest appropriate component values.
💡 Hint: Focus on minimizing parasitics while ensuring effective amplification.
Evaluate how a sudden increase in parasitic capacitances affects amplifier stability. Discuss the expected behaviors and countermeasures.
💡 Hint: Consider feedback mechanisms and their corrective capabilities.
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