What do the amplitude ratio and phase angle represent

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Reference no: EM13269234

1. What does "transfer function" of a filter represent?

2. What do the Amplitude Ratio (Gain) and Phase Angle represent?

3. What are the key differences between a real filter (the RC circuit) and an Ideal Filter (please read LPF Treated as an Ideal Filter)?

Reference no: EM13269234

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