Practice DC and Small Signal Analysis - 87.6.2 | 87. Numerical examples on current mirror and its applications (Part-B) | Analog Electronic Circuits - Vol 4
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DC and Small Signal Analysis

87.6.2 - DC and Small Signal Analysis

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary function of a current mirror?

💡 Hint: Think about the purpose of mirroring currents.

Question 2 Easy

What is a cascode transistor?

💡 Hint: Consider its placement in a circuit.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main advantage of using a cascode transistor in a current mirror?

A. Increase bandwidth
B. Increase output resistance
C. Decrease power consumption

💡 Hint: Think about the role of cascode in stabilizing circuits.

Question 2

True or False: The output resistance of a current mirror decreases when a cascode configuration is used.

True
False

💡 Hint: Consider what happens to resistance when transistors are cascaded.

3 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a BJT current mirror that incorporates a cascode configuration. Calculate the required resistor values for biasing and determine the output resistance based on given parameters.

💡 Hint: Consider both transistors' characteristics and the guidelines for biasing.

Challenge 2 Hard

Given an n-channel MOSFET current mirror with specific g_m and r_o parameters, compute the output current when the input voltage fluctuates within specified limits.

💡 Hint: Look back at the formula connecting input voltage change to output changes.

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