A

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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

Explanation by: Admin

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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