Practice - Part A: Basic CMOS Inverter - Schematic Capture and Initial VTC Analysis
Practice Questions
Test your understanding with targeted questions
What does VOH stand for in the context of a CMOS inverter?
💡 Hint: Think about the voltage when the input is low.
Define noise margins in a CMOS inverter.
💡 Hint: Consider the voltage levels at logic high and low.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the VTC of a CMOS inverter illustrate?
💡 Hint: Think about the inverter's operational perspective.
True or False: The ideal static power consumption of a CMOS inverter is non-zero during active transitions.
💡 Hint: Recall the definition of static power consumption.
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Challenge Problems
Push your limits with advanced challenges
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.
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.
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Reference links
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