Practice Frequency Response Of Common Emitter Amplifier (37.1.9) - Frequency Response of CE and CS Amplifiers (Part C)

Practice: Frequency Response of Common Emitter Amplifier

Lesson 37.1.9Frequency Response of CE and CS Amplifiers (Part C)

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9 questions

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6 sample questions

Question 1.
What is the role of the coupling capacitor in a common emitter amplifier?
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Think of it as a gatekeeper for signals.
Question 2.
Define transconductance (g_m) in your own words.
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Consider the relationship between input voltage and output current.
3Question 3.
What does the small signal model of a transistor represent?
- A linear model
- A linear approximation
- A non-linear model
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Consider how we simplify complex circuits.
4Question 4.
True or False: The Bode plot can represent both gain and phase response of amplifiers.
- True
- False
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Think about the purpose of Bode plots in circuit analysis.
Question 5.
You have a common emitter amplifier with an input resistance of 1 kΩ and an input capacitor of 1 µF. Calculate the lower cutoff frequency.
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Use a calculator with π for exact results.
Question 6.
Given the output resistance of 2 kΩ and a load capacitor of 10 µF, calculate the upper cutoff frequency.
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You should recall the significance of how load capacitance influences output frequencies.

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