Practice Derivation (simplified) (6.3.2.5) - Oscillators and Current Mirrors
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Derivation (Simplified)

Practice - Derivation (Simplified) - 6.3.2.5

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the required total phase shift for sustained oscillations?

💡 Hint: Consider the conditions for reinforcement.

Question 2 Easy

What minimum amplifier gain is needed for an RC phase shift oscillator?

💡 Hint: Think about the attenuation factor introduced by the feedback network.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the minimum phase shift required at the feedback network for oscillations?

90 degrees
180 degrees
360 degrees

💡 Hint: Recall how feedback adds up.

Question 2

True or False: The gain needed for sustained oscillation can be less than 29.

True
False

💡 Hint: Consider the relationship between gain and feedback.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an RC phase shift oscillator to work at 10 kHz. If R=2.2 kΩ is chosen, calculate the necessary capacitance.

💡 Hint: Start by rearranging the frequency equation to isolate C.

Challenge 2 Hard

Explain the design challenges of maintaining stability in an RC oscillator as frequency increases.

💡 Hint: Consider the effects of high frequencies on component behavior.

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Reference links

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