Practice Voltage Gain And Output Signal Justification (79.4.2) - Differential Amplifier : Analysis and Numerical Examples (Contd.)

Practice: Voltage Gain and Output Signal Justification

Lesson 79.4.2Differential Amplifier : Analysis and Numerical Examples (Contd.)

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8 questions

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6 sample questions

Question 1.
Define differential mode gain.
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Think of how amplifiers react to two input signal variations.
Question 2.
What is the output swing of a circuit?
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Consider minimum and maximum output levels.
3Question 3.
What is the definition of output swing?
- The range of frequencies an amplifier can operate at.
- The voltage range an amplifier can produce.
- The amount of power an amplifier consumes.
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Consider what limits the voltage of an amplifier signal.
4Question 4.
True or False: Higher common mode gain typically indicates better noise rejection.
- True
- False
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Think about the amplification effect of unwanted signals.
Question 5.
Design a differential amplifier circuit. Use given specifications: V_supply = 12V, R1 = R2 = 10k ohm, and derive the differential mode and common mode gains.
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Remember to check your assumptions on output current and voltages.
Question 6.
Evaluate how replacing passive elements with active devices affects output swing in BJT differential amplifiers under varying signal conditions.
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Think about the relationship between component type and circuit behavior.

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