Practice Common Base And Common Gate Amplifiers (contd.): Numerical Examples (part C) (53.1.1)

Practice: Common Base and Common Gate Amplifiers (Contd.): Numerical Examples (Part C)

Lesson 53.1.1Common Base and Common Gate Amplifiers (Contd.) : Numerical Examples (Part C)

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9 questions

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6 sample questions

Question 1.
What is the role of coupling capacitors in amplifiers?
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Think about grounding in circuits.
Question 2.
How does the presence of a capacitor affect input resistance?
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Consider the flow of signal through the capacitor.
3Question 3.
What is the expected consequence of removing the coupling capacitor for input resistance?
- Input resistance decreases
- Input resistance stays the same
- Input resistance increases
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Consider what happens to voltage flow.
4Question 4.
True or False: Removing a coupling capacitor always decreases output impedance.
- True
- False
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Think about the output paths and resistances.
Question 5.
Given an amplifier circuit operates with a voltage gain of 108 with a coupling capacitor, predict the new gain if the capacitor is removed, and explain why.
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Use the factors discussed in class regarding voltage gain reduction.
Question 6.
If an amplifier's input and output impedances are critically tied to its configuration, assess how one would calculate the new output impedance without the presence of capacitors.
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Explore resistances that tend to dominate the path through which signal flows.

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