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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does S11 represent?
💡 Hint: Think about the input power and how it's handled.
Question 2
Easy
How is return loss calculated from S11?
💡 Hint: Focus on how you express reflection coefficients.
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 does S11 represent in a two-port network?
- Input transmission coefficient
- Output reflection coefficient
- Input reflection coefficient
- Forward gain coefficient
💡 Hint: Recall its significance in terms of reflection.
Question 2
True or False: A higher S21 value indicates lower gain.
- True
- False
💡 Hint: Think about what constitutes gain in an amplifier.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If S11 is observed to be 0.25∠90° and S21 as 3.0∠45°, determine the input reflection coefficient and the power gain.
💡 Hint: Apply the return loss formula and basic gain principles.
Question 2
Given an amplifier with S12 = 0.08 and S22 = 0.2, discuss what this implies regarding feedback and isolation between stages.
💡 Hint: Refer back to isolation and reflection characteristics.
Challenge and get performance evaluation