Practice Objectives (2) - Design and Characterization of Oscillators and Current Mirrors
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Objectives

Practice - Objectives

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Practice Questions

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Question 1 Easy

What is the basic requirement for oscillation in a circuit?

💡 Hint: Think about feedback in circuits.

Question 2 Easy

Name a type of oscillator discussed in class.

💡 Hint: Recall the oscillator types we covered.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the minimum gain required for oscillation according to the Barkhausen Criterion?

0.5
1
2

💡 Hint: Consider the loop gain that starts oscillations.

Question 2

True or False: The output of a current mirror is the same as its input current under all conditions.

True
False

💡 Hint: Think about factors affecting current in circuits.

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Challenge Problems

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Challenge 1 Hard

Design a Wien Bridge oscillator with an oscillation frequency of 2 kHz using R and C. If R = 1.2 kΩ, what should C be?

💡 Hint: Rearrange the frequency formula to solve for capacitance.

Challenge 2 Hard

A Widlar current mirror needs to provide 100 µA output current. If the reference current is 1 mA, determine the resistor value required at the emitter.

💡 Hint: Think about how voltage and resistance affect current flow.

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