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Asked: 2023-07-18T13:22:15-04:00 In:

15.14 For the Wien-bridge oscillator of Fig. 15.6, let the closed-loop amplifier (formed by the op amp and the resistors R1 and R2) exhibit a phase shift of −5° in the neighborhood of ω = 1/CR. Find the frequency at which oscillations can occur in this case in terms of CR. (Hint) 0.878/CR

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15.14 For the Wien-bridge oscillator of Fig. 15.6, let the closed-loop amplifier (formed by the op amp and the resistors R1 and R2) exhibit a phase shift of −5° in the neighborhood of ω = 1/CR. Find the frequency at which oscillations can occur in this case in terms of CR. (Hint)

0.878/CR

microelectronics by sedra & smith chapter 15 questions

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