80.3 - Finding Suitable Range of Common Mode Voltage
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 the minimum required V_BE to turn on a transistor?
💡 Hint: Think about the basic operation threshold for BJTs.
What is the role of resistors in determining the output voltage?
💡 Hint: Consider Ohm's Law.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the minimum base-emitter voltage required for the on state?
💡 Hint: Recollect the threshold values we discussed.
True or False: The common mode gain should be higher than the differential gain.
💡 Hint: Think about our amplifier’s output requirements.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given a BJT with a V_BE of 0.6 V and output load impedance, calculate the maximum common mode voltage without distortion. Include all calculations relevant to assumptions.
💡 Hint: Use circuit analysis alongside semiconductor equations for transistors.
Design a differential amplifier circuit that achieves a desired output gain while ensuring common mode rejection. Provide analysis for resistor values chosen.
💡 Hint: Consider active loads to enhance gain without affecting the common mode significantly.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.