Electronics and Communication Engineering - Analog Electronics - Discussion
Discussion Forum : Analog Electronics - Section 2 (Q.No. 2)
2.
The open loop gain of an amplifier is 200. If negative feedback with β = 0.2 is used, the closed loop gain will be
Answer: Option
Explanation:
Closed loop gain = 
.
Discussion:
5 comments Page 1 of 1.
Yasnaz said:
1 decade ago
Give clear explanation about the answer.
Maruti Banee said:
9 years ago
I want formula to solve this question, please give me.
Avdha said:
9 years ago
The correct formula close is loop gain = open loop gain/1- (-open loop gain * feedback gain).
(1)
DhanyaKamal said:
6 years ago
Open loop gain =Ao,
Closed loop gain=Ac,
Feedback factor=β,
Ac=Ao/(1+Ao*β).
Closed loop gain=Ac,
Feedback factor=β,
Ac=Ao/(1+Ao*β).
Deepak said:
4 years ago
C = Ao/(1+Ao*B) is the correct Formula.
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