Practice Multi-transistor Amplifiers (contd.): Numerical Examples (part A) (58.1.1)

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5 sample questions

Question 1.
Define a common-emitter amplifier.
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Think about its main purpose.
Question 2.
What does g_m represent?
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How efficient is the input voltage transferred to output?
3Question 3.
What is the primary purpose of a common-emitter amplifier?
- Increase Voltage
- Decrease Current
- Raise Bandwidth
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Think about its role in circuits.
4Question 4.
True or False: Adding a CC stage always increases voltage gain.
- True
- False
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Consider the definitions of our amplifier criteria.
Question 5.
Given a common-emitter amplifier with β = 100, R_C = 1 kΩ and r_o = 25 kΩ, calculate its voltage gain, then add a CC stage with an expected bandwidth increase.
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Use parallel resistance formulas for calculation.

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