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In an oscillator, for sustained oscillations, Barkhausen criterion is `Abeta` equal to (A = voltage gain without feedback and `beta` = feedback factor)A. zeraB. `1/2`C. 1D. 2 |
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Answer» Correct Answer - C Barkhausen criterion states that if A is the gain of the amplifying element in the circuit and B is the transfer function of the feedback path, then condition of sustained oscillation is given by |`beta A|=1` So, option (c) is correct. |
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