51.2.1 - Effect of Source Resistance on Output Impedance
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is a common base amplifier intended for?
💡 Hint: Think about the amplifier's primary function.
How does source resistance affect voltage gain?
💡 Hint: Consider the division of voltage between source resistance and input impedance.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary use of a common base amplifier?
💡 Hint: Think about the main goal of an amplifier.
If source resistance increases, what happens to the voltage gain?
💡 Hint: Reflect on voltage division effects.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A common base amplifier has a collector resistance of 3 kΩ and source resistance of 1 kΩ. If the voltage input is 1V, compute the output voltage and check if it satisfies the condition for a good amplifier.
💡 Hint: Use the voltage divider rule.
Design a common base amplifier circuit considering a source resistance of 50 kΩ and find the parameters that will optimize performance.
💡 Hint: Remember the relationships between source resistance, gain, and bandwidth.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.