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1. A Hartley oscillator uses FET with gm of 2 ms and rd = 2 KΩ. The total coil inductance is 10 μH with turns ratio of input to output side of 1 : 10. It is tuned with a 50 pf capacitor. Find frequency of oscillations, amplifier gain margin in dB.
(A): 6.93 MHz, 12.9 dB
(B): 7.11 MHz, 13.97 dB
(C): 7.3 MHz, 14.1 dB
(D): 7.4 MHz, 13 dB
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By: guest on 02 Jun 2017 12.55 am
= 7.11 MHz μ = gm x rd
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