Practice - Experiment 4: Qualitative Introduction to Logical Effort and Relative Speed
Practice Questions
Test your understanding with targeted questions
What does logical effort measure?
💡 Hint: Think about the relationship between input capacitance and output strength.
What is propagation delay?
💡 Hint: Consider how long it takes for the output to change after an input change.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of measuring logical effort?
💡 Hint: Focus on speed comparison.
True or False: Series transistors typically decrease propagation delays.
💡 Hint: Think about current flow.
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Challenge Problems
Push your limits with advanced challenges
Given a NAND gate's propagation delay of 20 ns and an inverter's of 15 ns, what can you infer about the logical effort? Propose a method to improve the NAND gate's speed.
💡 Hint: Ratio calculation shows how 'hard' each gate is to drive.
If two logical graphs show clear disparities in tp values, what design changes would you recommend to achieve balance? Justify your answer.
💡 Hint: Consider the effects of series versus parallel configurations.
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Reference links
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