Practice Part A: Basic CMOS Inverter - Schematic Capture and Initial VTC Analysis - 4.1 | Lab Module 2: CMOS Inverter Design and Static Characteristics Analysis | VLSI Design Lab
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4.1 - Part A: Basic CMOS Inverter - Schematic Capture and Initial VTC Analysis

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does VOH stand for in the context of a CMOS inverter?

💡 Hint: Think about the voltage when the input is low.

Question 2

Easy

Define noise margins in a CMOS inverter.

💡 Hint: Consider the voltage levels at logic high and low.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the VTC of a CMOS inverter illustrate?

  • A. The relationship between input and output voltage
  • B. The construction layers of the inverter
  • C. The thermal properties of the inverter

💡 Hint: Think about the inverter's operational perspective.

Question 2

True or False: The ideal static power consumption of a CMOS inverter is non-zero during active transitions.

  • True
  • False

💡 Hint: Recall the definition of static power consumption.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a CMOS inverter circuit with W/L ratios of 3μm/0.18μm for pMOS and 1μm/0.18μm for nMOS. Calculate the expected VTC parameters as well as NML and NMH.

💡 Hint: Remember to perform a sweep from 0 to VDD for accurate results.

Question 2

If you notice an asymmetrical VTC in your simulation results, what adjustments would you make to the W/L ratios to achieve a more balanced characteristic?

💡 Hint: Consider the mobility differences when adjusting the ratios.

Challenge and get performance evaluation