Practice Calculating Small Signal Parameters (52.2.3) - Common Base and Common Gate Amplifiers (Contd.) : Numerical Examples (Part B)

Practice: Calculating Small Signal Parameters

Lesson 52.2.3Common Base and Common Gate Amplifiers (Contd.) : Numerical Examples (Part B)

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9 questions

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6 sample questions

Question 1.
Define transconductance.
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Think about input-output relationships in a transistor.
Question 2.
What is the typical value of V_BE for silicon BJTs?
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Recall the diode forward bias characteristics.
3Question 3.
What is the definition of the small signal parameters?
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Think about variations and biases.
4Question 4.
True or False: Transconductance is defined as the output voltage divided by the input current.
- True
- False
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Recall the formula for transconductance.
Question 5.
A common base amplifier has a base current of 10 µA and a beta of 100. Calculate its collector current.
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Use the relationship between beta and base/emitter currents.
Question 6.
If a common base amplifier is connected with a signal swing of ±3V and a DC offset of 6V, what is the maximum V_out without distortion?
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Add the DC bias offset to the positive peak of the swing.

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