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What will be the oscillator frequency of Hartley oscillator if inductance L1, L2 are equal to 1mH and 2mH respectively and capacitor C is 10nF. (Neglect mutual inductance)

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What will be the oscillator frequency of Hartley oscillator if inductance L1, L2 are equal to 1mH and 2mH respectively and capacitor C is 10nF. (Neglect mutual inductance)

(a) 50KHz

(b) 29KHz

(c) 40KHz

(d) 57 kHz

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Enquiry is from Hartley Oscillator-2 topic in portion Oscillators of Analog Circuits

1 Answer

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Best answer
Correct answer is (b) 29KHz

To explain: L1 = 1mH

          L2 = 2mH

Effective inductance L = L1+L2 = 1+2 = 3mH

            C = 10nF

Oscillator frequency .

Frequency = 29kHz.

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