Practice - Impact of nMOSFET W/L Variation
Practice Questions
Test your understanding with targeted questions
Define the W/L ratio.
💡 Hint: Think about how the dimensions relate to transistor performance.
What does VOH represent?
💡 Hint: Consider the state of the inverter when it is conducting a high output.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the impact of increasing the nMOS W/L ratio?
💡 Hint: Consider how the ratios shift transistor outputs.
True or False: A well-balanced W/L ratio between nMOS and pMOS leads to a VTC closer to VDD/2.
💡 Hint: Reflect on the target performance of an inverter.
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Challenge Problems
Push your limits with advanced challenges
Given that a specific nMOS has a Vth of 1.2V and you need to decrease it to improve symmetry in a CMOS inverter design, what adjustments to the W/L ratio could you consider making?
💡 Hint: Think about how changes in width affect threshold levels.
You have designed a CMOS inverter but find that NMH is less than NML. How would you address this issue based on your knowledge of W/L ratios?
💡 Hint: Consider the balance needed for optimal noise margins.
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Reference links
Supplementary resources to enhance your learning experience.