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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for calculating Noise Figure?
π‘ Hint: Think about how resistance impacts noise performance.
Question 2
Easy
Define a Gm-C filter.
π‘ Hint: Consider the tuning abilities of an amplifier in a radio.
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 the noise figure quantify?
- Signal-to-noise ratio improvement
- Signal degradation through a circuit
- Output voltage levels
π‘ Hint: Think about what happens to a signal as it passes through amplification.
Question 2
True or false: A Gm-C filter is static and cannot be adjusted after design.
- True
- False
π‘ Hint: Think about how transconductance works in filtration.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a low-noise amplifier with a noise figure preferably below 5dB. Given R_s = 50Ξ©, calculate R_n needed.
π‘ Hint: Use the NF equation in designing the circuit with proper resistance values.
Question 2
Create a Gm-C filter with a desired bandwidth of 1MHz. If the capacitor C is 1nF, determine the required transconductance g_m.
π‘ Hint: Reorganize the f_c formula to solve for g_m efficiently.
Challenge and get performance evaluation