34.1.3 - Bias Resistor Selection
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Practice Questions
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What role do bias resistors play in a common source amplifier?
💡 Hint: Think about what happens when an amplifier operates beyond its limits.
Define the DC operating point in terms of amplifier performance.
💡 Hint: Consider how the amplifier needs to function for AC signals.
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Interactive Quizzes
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What happens if the biasing is incorrect?
💡 Hint: Think back to the operation limits of the amplifier.
The output swing should be equal on both sides for optimal performance.
💡 Hint: Consider how distortion occurs in practice.
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Challenge Problems
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Design a common source amplifier that operates with a supply voltage of 15V and a required output swing of 10V, selecting bias resistor values to achieve this.
💡 Hint: Consider the implications of the swing on resistor values.
Given a bias current set at 1 mA, how would you adjust your design if the maximum gain needs to be achieved?
💡 Hint: Examine the relationship of gain with respect to the transistor parameters.
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