48.1.3 - Calculating Required Values
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Practice Questions
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What is output impedance?
💡 Hint: Consider how it affects the load connected to it.
Define transconductance.
💡 Hint: Look for a relationship with inputs and outputs.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for output impedance?
💡 Hint: Look for the formula that includes gₘ.
True or False: Higher transconductance leads to lower output impedance.
💡 Hint: Think about the relationship between these two values.
1 more question available
Challenge Problems
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Design a common drain circuit that can handle an input signal of up to 1V and requires an output impedance of 200Ω. Calculate the necessary transconductance.
💡 Hint: Use the output impedance formula to derive gₘ.
Determine the impact on the cutoff frequency if the load capacitance of a common collector circuit is increased by 50%. What factors play a role in this?
💡 Hint: Think about how RC time constant relates to frequency.
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