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2 cards from this section. Quick, good the night before a test.
What is the output when the differential mode gain is 40 and the input is 100mV?
Use the formula: Output = Differential Gain × Differential Input.
Define common mode gain.
Think about how many signals are common to both terminals.
What is the differential mode gain for a given amplifier if it amplifies a 100mV input to 4V?
Remember, Gain = Output/Input.
True or False: Common mode gains should be minimal for a good differential amplifier.
What do you want your differential amplifier to do?
Given a differential amplifier with a gain of 30, inputting a signal of 200mV differential and 300mV common mode, calculate the total output and discuss the implications of the output.
Focus on the calculation for clarity and separate the common and differential components.
Propose a solution for enhancing the performance of a differential amplifier that does have significant common mode gain.
Consider multi-stage amplification to address issues.
4 more questions in this section. Enroll free to practise them all.
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