Practice Frequency Determination (6.4.3.3) - Oscillators and Current Mirrors
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Frequency Determination

Practice - Frequency Determination - 6.4.3.3

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is an oscillator?

💡 Hint: Think about its primary function.

Question 2 Easy

What are the two primary conditions of the Barkhausen Criterion?

💡 Hint: One relates to phase shifts, the other to gains.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What are the two conditions for sustained oscillations in electrical circuits?

Phase Condition and Amplitude Condition
Phase Condition and Magnitude Condition
Magnitude Condition and Frequency Condition

💡 Hint: Think of what conditions must be satisfied for continuous oscillation.

Question 2

True or False: The phase condition states that the total phase shift must be 180 degrees.

True
False

💡 Hint: Consider the complete wave cycle.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a phase shift oscillator for a frequency of 5 kHz using a capacitor of 1 nF. What resistor values do you select, considering the required gain?

💡 Hint: Your calculations should yield a suitable standard resistor value.

Challenge 2 Hard

A circuit’s loop gain is measured at 1.5 at the intended oscillation frequency. What does this imply about the circuit's output, and how should we adjust the gain?

💡 Hint: Engage with the stability concept within oscillators.

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Reference links

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