Practice Voltage Gain Stage (3.3.3) - Analog CMOS Circuit Design - Part 1: Design Principles of Operational Amplifiers in CMOS

Practice: Voltage Gain Stage

Lesson 3.3.3Analog CMOS Circuit Design - Part 1: Design Principles of Operational Amplifiers in CMOS

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9 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the primary function of the voltage gain stage in an op-amp?
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Think about why amplification is necessary in circuit design.
Question 2.
Define the common-source configuration in brief.
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Consider the role of source terminal in amplifying signals.
3Question 3.
What is the main purpose of a voltage gain stage?
- To decrease the output voltage
- To amplify the output voltage
- To filter signals
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Remember the role of amplification in op-amp function.
4Question 4.
Cascode configuration is used to:
- True
- False
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Reflect on the benefits of placing two transistors in series.
Question 5.
Design an operational amplifier circuit using a common-source configuration and calculate its expected voltage gain. What factors could you manipulate to alter the gain?
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Look for components that can change the transconductance of your transistors.
Question 6.
Explain how the cascode configuration affects the bandwidth of an op-amp and its overall performance in high-speed applications.
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Think about how high-output impedance interacts with capacitance.

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