Derive an expression for d ϕ d ω , evaluated at ω = ω 0 .

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Chapter 18, Problem 18.2P

(a)

To determine

Derive an expression for dϕdω , evaluated at ω=ω0 .

(b)

To determine

Find an expression for the per-unit change in frequency of oscillation resulting from a phase-angle change a Δϕ in the amplifier transfer function.

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