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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. | 636 pF [Wrong Answer] |
B. | 180 pF [Wrong Answer] |
C. | 65 pF [Correct Answer] |
D. | 30 pF [Wrong Answer] |