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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does I_DS represent in a PMOS transistor?
💡 Hint: Think about what current flows in a transistor.
Question 2
Easy
Define V_th.
💡 Hint: What voltage allows the PMOS to turn on?
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 is the primary factor determining I_DS in a PMOS transistor?
- Length of the channel
- Width of the channel
- Both length and width
💡 Hint: Think about how you can change resistance.
Question 2
In which region does a PMOS transistor primarily remain in constant current mode?
- True
- False
💡 Hint: Does the current change much when voltage increases in saturation?
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Describe how the pinch-off condition affects the PMOS transistor and calculate the impact on I_DS if V_DS = V_GS - V_th.
💡 Hint: Visualize it as the current ceasing to increase beyond a certain V_DS.
Question 2
Given a PMOS with W = 20µm, L = 2µm, V_GS = 5V, V_th = 2V, and V_DS = 4V, find I_DS assuming K = 50μA/V^2.
💡 Hint: Break down the formula and substitute step by step.
Challenge and get performance evaluation