54.3.6 - Conclusion of Common Base Amplifier
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Practice Questions
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What is voltage gain?
💡 Hint: Think about how much the input signal is magnified.
Define input impedance.
💡 Hint: It relates to how the circuit interacts with previous stages.
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Interactive Quizzes
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What is the importance of voltage swing in a common base amplifier?
💡 Hint: Consider the output limits set by the circuit design.
True or False: The input impedance of a common base amplifier is generally high.
💡 Hint: Think about how input and output impedances relate.
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Challenge Problems
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Design a common base amplifier circuit that meets the following specifications: gain of 10, output swing of ±5V, and input impedance of 250Ω. What resistor values would you choose and why?
💡 Hint: Consider the relationships between current, voltage, and resistance.
Evaluate the performance implications of a common base amplifier with an input impedance of 50Ω when driven by a 50Ω source impedance.
💡 Hint: Think about how matching affects efficiency in electronic circuits.
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