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MCQ Practice Question

For a three-section RC phase-shift oscillator using identical RC sections in the usual idealized analysis, the amplifier must provide a gain magnitude of at least approximately?

A1
B3
C29
D100

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Correct Answer: C. 29

Explanation: The three-section RC network attenuates the signal; the standard idealized condition requires amplifier gain magnitude of at least about 29.

Reference: Standard analog electronics: oscillators

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