Practice Intrinsic Capacitances (4.6.1) - MOSFETs - Basic Operation and Characteristics
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Intrinsic Capacitances

Practice - Intrinsic Capacitances

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the formula for Gate-to-Source Capacitance (Cgs)?

💡 Hint: Think about how capacitance relates to area and oxide thickness.

Question 2 Easy

What does Cgd represent in a MOSFET?

💡 Hint: Consider the relationship between the gate and drain terminals.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the expression for Gate-to-Source Capacitance?

A) Cgs = WLCo_x
B) Cgs = 2/3 WLCo_x
C) Cgs = WL/Co_x

💡 Hint: Remember the constant factor involved in the equation.

Question 2

Gate-to-Drain Capacitance is influenced by which factors?

💡 Hint: Consider what directly affects the capacitance between gate and drain.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a simple Mosfet circuit that maximizes switching performance. Discuss how you would choose the sizes of W and L based on the intrinsic capacitances.

💡 Hint: Focus on the switching speed you require for the application.

Challenge 2 Hard

Create a comparison chart for the typical values of Cgs, Cgd, and Cdb based on different MOSFETs used in applications.

💡 Hint: Investigate real-world devices for accurate data.

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Reference links

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