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| Q. |
In the equivalent circuit of a quartz crystal, LCR arm has an inductance of 4 mH and capacitor has a value of 4nF, then the series resonant frequency of the oscillator is: |
| A. | 0.25 mhz |
| B. | 2.5 mhz |
| C. | 25 mhz |
| D. | 5 mhz |
| Answer» A. 0.25 mhz | |
| Explanation: the series resonant frequency of a crystal oscillator is given by 1/√lc. substituting the given values of l and c in the expression, the series resonant frequency is 0.25 mhz. | |
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