68.1.15 - Transition to Common Source Amplifier
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Practice Questions
Test your understanding with targeted questions
What is the key advantage of using an active load?
💡 Hint: Think about how resistance affects gain.
Define 'Output Voltage'.
💡 Hint: Recall the relationship between input and output.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a key property of common source amplifiers?
💡 Hint: Consider the purpose of using active components.
True or False: The output resistance in a common source amplifier is significantly lower than in a common emitter amplifier.
💡 Hint: Think about the effect of loading on resistance.
1 more question available
Challenge Problems
Push your limits with advanced challenges
In a MOSFET CS amplifier, the supply voltage is 15V, V_GS = 1.5V, and the transconductance is 5 mS. Calculate the expected output voltage if the load resistor is 4 kΩ.
💡 Hint: Break down the formula into parts—find the conductivity effect first!
A circuit has two different transistors with β values of 150 and 200. How will you adjust the base currents to ensure they reach the same collector current?
💡 Hint: Apply the relationships of current and beta for stability.
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