Practice Common-Emitter Oscillator - 9.3.2.1 | 9. Oscillators in RF Systems | RF and HF Circuits
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a common-emitter configuration?

πŸ’‘ Hint: Think about which terminal serves as the common point in the circuit.

Question 2

Easy

What components are typically used in the feedback network of a common-emitter oscillator?

πŸ’‘ Hint: Recall the devices used to form a tank circuit.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is a phase shift required for sustained oscillations in a common-emitter oscillator?

  • 0 degrees
  • 90 degrees
  • 360 degrees

πŸ’‘ Hint: Think about how phases relate in a complete cycle.

Question 2

True or False: Loop gain must be less than one for a common-emitter oscillator to operate.

  • True
  • False

πŸ’‘ Hint: Remember the relationship between gain and oscillation.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You have a common-emitter oscillator with a BJT rated for maximum frequency of 5 MHz. How would you design the feedback network, and what calculations would you perform?

πŸ’‘ Hint: Consider tuning component values in a lab to find resonance.

Question 2

Analyze how a drop in temperature affects the performance of a common-emitter oscillator in terms of frequency stability and uniformity.

πŸ’‘ Hint: Explore how resistors and capacitors typically react to temperature changes.

Challenge and get performance evaluation