Electronic Devices - Operational Amplifiers - Discussion
Discussion Forum : Operational Amplifiers - General Questions (Q.No. 4)
4.
A voltage-follower amplifier comes to you for service. You find the voltage gain to be 5.5 and the input impedance 22 k
. The probable fault in this amplifier, if any, is
. The probable fault in this amplifier, if any, isDiscussion:
5 comments Page 1 of 1.
Vijay said:
8 years ago
Firstly, voltage follower always has unity gain so the circuit is not a voltage follower.
Satish said:
1 decade ago
Voltage gain should be in 1 in this amplifier.
ASHOK said:
1 decade ago
Voltage gain of an voltage follower is must and should be 1.
and the input impedance of an voltage follower is in Mega Ohms.
Condition is : Vin = Vout.
and the input impedance of an voltage follower is in Mega Ohms.
Condition is : Vin = Vout.
Aravind said:
1 decade ago
Gain of a voltage follower is 1 and the input impedence is typically 1 mega ohm.
Ayanangshu Banerjee said:
1 decade ago
Can anyone please explain this answer?
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers