A

Admin • 833K Points
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Q. Hartley oscillator has inductance values of 12 mH and 4 mH in the feedback section and a capacitor of 4 nF. Then the resonant frequency of the circuit is:

  • (A) 19.89 khz
  • (B) 25 khz
  • (C) 45 khz
  • (D) 12 khz

Explanation by: Admin

resonant frequency of hartley oscillator is given by 1/ 2π√(c1 (l1 + l2)). substituting the given values in the above equation, cut-off frequency is 19.89 khz.

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