24.1.9 - Output Port of the Circuit
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Practice Questions
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Define a common emitter amplifier.
💡 Hint: Think about how the input and output are connected in this amplifier.
What is the primary purpose of biasing in an amplifier?
💡 Hint: Why do we need the transistor to stay in a specific region?
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Interactive Quizzes
Quick quizzes to reinforce your learning
Where is the input connected in a common emitter amplifier?
💡 Hint: Refer to the configuration of the first stage of the amplifier you learned about.
True or False: Biasing has no effect on the transistor's performance.
💡 Hint: Consider when we talked about 'stable operation' of the amplifier.
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Challenge Problems
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You have a common emitter amplifier with a beta of 100. If the collector current is measured as 2 mA, calculate the base current and explain what this indicates about biasing.
💡 Hint: Use the formula for beta to relate the currents.
Design a common emitter amplifier circuit that can handle temperature fluctuations of 20°C to 30°C. Explain your component choices.
💡 Hint: Consider temperature ratings of components when making choices.
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