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Purpose of the capacitor in the microphone

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Reference no: EM13851968

Problem 1. Explain the purpose of the capacitor in the microphone circuit.

2037_purpose of the capacitor.jpg

Problem 2. Use Figure above from the Ulaby/Maharbiz circuits book (on Carmen).

Let A = 1000, vs = 1v., but Ro = 0 and Ri = infinite, solve for vi and show that vo is approximately -1.994v. What is vo if A = infinity?

Reference no: EM13851968

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