78.2.7 - DC Operating Point of the Amplifier
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 DC operating point?
💡 Hint: Think about the purpose of biasing in amplifiers.
Define signal swing.
💡 Hint: Consider what happens at the output when input varies.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What happens if the input voltage is too low?
💡 Hint: Think of the role of voltage in transistor activation.
The common mode voltage must stay within the specified range for optimal amplifier operation.
💡 Hint: Consider the consequences of going too far from this range.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
For a differential amplifier with a DC supply voltage of 5V, if the voltage drop across the resistors is 1.2V, what is the expected output DC voltage?
💡 Hint: Subtract the voltage drop from the supply to get the collector voltage.
Describe how you would design a circuit to maintain effective amplification with a varying input current while ensuring it stays within the common mode range.
💡 Hint: Consider how feedback might be employed to adjust levels dynamically.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.