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2 cards from this section. Quick, good the night before a test.
What is a differential mode signal?
Consider how two signals can be opposite.
Why is common mode gain ideally low?
Think about what happens when noise is amplified.
What does a differential mode signal do?
Consider what this signal represents in terms of input.
True or False: Common mode signals are ideally amplified at a high gain.
Reflect on the purpose of reducing noise.
Given two input signals with amplitudes 2V and 0.5V; calculate the differential mode output if the gain is 15.
Use Output = Gain * (Differential Signal) formula.
If a signal has a common mode gain of 0.05 and a differential gain of 30; what can be concluded about the noise levels in high-frequency applications?
Consider how low gain impacts the effectiveness in reducing noise.
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