89.2.3 - Calculation of Differential Mode Gain and Common Mode Gain
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Practice Questions
Test your understanding with targeted questions
Define differential mode gain.
💡 Hint: Think about how the amplifier reacts to different inputs.
What is common mode gain?
💡 Hint: Consider signals affecting both terminals the same way.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What symbol represents differential mode gain?
💡 Hint: Recall the notations used for amplifier gain.
True or False: Higher common mode gain is desirable in amplifiers.
💡 Hint: Think about how noise affects signals!
1 more question available
Challenge Problems
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Given that a differential amplifier has a transconductance (g_m) of 500 µS, what is the effect of varying the active load resistance on both differential and common mode gains?
💡 Hint: Consider how the resistance affects current paths.
Design an experiment to measure A_c in a real circuit. Describe the steps and potential results.
💡 Hint: Think about controlled signal inputs.
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