Practice Differential Amplifier Using Bjt (77.3.2) - Differential Amplifier : Analysis and Numerical Examples

Practise this section

10 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is a differential amplifier?
Show hintHide hint
Think about its name.
Question 2.
What does 'ICMR' stand for?
Show hintHide hint
Consider the range of input voltages.
3Question 3.
What does a differential amplifier do?
- Amplifies a single signal
- Amplifies the difference between two signals
- Adds two signals
Show hintHide hint
Focus on its core function.
4Question 4.
In common mode operation, should the output be zero?
- True
- False
Show hintHide hint
Think about the definitions of both modes.
Question 5.
If a differential amplifier has an input common mode range of 5V, explain the impact on performance if inputs exceed this range.
Show hintHide hint
Think about the operational range requirements for BJTs.
Question 6.
Given the parameters of a BJT differential amplifier, calculate the expected differential mode gain with the specified load resistances.
Show hintHide hint
Remember the gain equation derived earlier.

6 more questions in this section. Enroll free to practise them all.