A Hartley oscillator uses FET with gm of 2 ms and rd = 2 KŒ©. The to – McqOptions

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1.	A Hartley oscillator uses FET with gm of 2 ms and rd = 2 KŒ©. The total coil inductance is 10 ŒºH 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.	7.11 MHz, 13.97 dB
B.	7.3 MHz, 14.1 dB
C.	6.93 MHz, 12.9 dB
D.	7.4 MHz, 13 dB
Answer» B. 7.3 MHz, 14.1 dB

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