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electronic devices oscillator circuits
1. Calculate the resonant frequency of this Wien bridge oscillator if R1 = 25 k, R2 = 40 k, C1 = 0.001 F, and C2 = 0.002 F.
(A): 1560.3 Hz
(B): 1779.4 Hz
(C): 3120.7 Hz
(D): 3558.8 Hz
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