Electronics and Communication Engineering - Analog Electronics - Discussion

Discussion Forum : Analog Electronics - Section 10 (Q.No. 4)
4.
If 1.5% of the output of an amplifier is feedback positively to the input, the minimum gain required of the amplifier for oscillations to occur, is
16.6
44.4
66.6
75
Answer: Option
Explanation:
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Discussion:
1 comments Page 1 of 1.

Nit.sangram said:   9 years ago
AB = 1 (for oscillation) ----->1
B = 1.5%.
By puting 'B' value in eqation 1 we can find 'A'.

A = 66.6.
(1)

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