Practice Common-emitter Oscillator (9.3.2.1) - Oscillators in RF Systems
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Common-Emitter Oscillator

Practice - Common-Emitter Oscillator

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a common-emitter configuration?

💡 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?

💡 Hint: Recall the devices used to form a tank circuit.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

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

0 degrees
90 degrees
360 degrees

💡 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

💡 Hint: Remember the relationship between gain and oscillation.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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?

💡 Hint: Consider tuning component values in a lab to find resonance.

Challenge 2 Hard

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

💡 Hint: Explore how resistors and capacitors typically react to temperature changes.

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Reference links

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