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81. Calculate the resonant frequency of this Wien bridge oscillator if R1 = 25 kΩ, R2 = 40 kΩ, C1 = 0.001 μF, and C2 = 0.002 μF.
(a) 1560.3 Hz
(b) 1779.4 Hz
(c) 3120.7 Hz
(d) 3558.8 Hz
Explanation
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