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electronics and communication engineering analog electronics
1. A three-section RC phase shift oscillator has R = 10K ohms and C = 0.001 μF. If the oscillator is to be made variable using the same value of R, what should be the value of capacitor to obtain a frequency if 1 kHz?
(A): 180 pF
(B): 30 pF
(C): 636 pF
(D): 65 pF
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