88.4.1 - Differential Amplifier
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Practice Questions
Test your understanding with targeted questions
What is the primary function of a differential amplifier?
💡 Hint: Think about why we need to amplify difference signals.
What component is used to mirror currents in a differential amplifier?
💡 Hint: Consider components that maintain consistent current.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of signals does a differential amplifier amplify?
💡 Hint: Consider the key function of a differential amplifier.
True or False: Current mirrors can improve the stability of differential amplifier circuits.
💡 Hint: Think about how currents are regulated in the circuit.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a differential amplifier with given specifications (e.g., a certain range of common-mode signals and desired gain) and explain how you would manipulate current mirrors and resistances to achieve this.
💡 Hint: Review how various resistor values can influence the overall gain and selectivity.
In a circuit, if one of the transistors in a differential amplifier experiences a change in β or Early voltage, evaluate the potential changes in output voltage and gain.
💡 Hint: Consider what happens when mismatched parameters lead to a lack of balance in the circuit.
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