Practice Module 6: Oscillators And Current Mirrors (6) - Oscillators and Current Mirrors
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Module 6: Oscillators and Current Mirrors

Practice - Module 6: Oscillators and Current Mirrors

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are the two main components of an oscillator?

💡 Hint: Consider what elements would connect together to produce oscillation.

Question 2 Easy

What does the Barkhausen Criterion involve?

💡 Hint: Think about the feedback loop's requirements.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary purpose of an oscillator?

To amplify signals
To generate repetitive waveforms
To filter frequencies

💡 Hint: Consider what role they play in timing circuits.

Question 2

True or False: A current mirror can be used to produce different levels of output currents.

True
False

💡 Hint: Think about how variations in design can affect current outputs.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an LC oscillator with a resonant frequency of 2 MHz. Specify the inductance and capacitance values required.

💡 Hint: Rearrange the formula to solve for either L or C once you choose one component.

Challenge 2 Hard

Explain how to optimize a Widlar current mirror for low output currents and detail its sensitivity to temperature.

💡 Hint: Think about the relationship between V_BE and the output current in BJTs at varying temperatures.

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Reference links

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