# Find the bandwidth and total output offset voltage of a voltage follower? The following are the specifications for the op-amp 741: A=200000, fo =5hz and supply voltage =±15v.

+1 vote
Find the bandwidth and total output offset voltage of a voltage follower? The following are the specifications for the op-amp 741: A=200000, fo =5hz and supply voltage =±15v.

(a) fF = 1000hz, VooT = ± 7.5µv.

(b) fF = 100khz, VooT = ± 7.5µv.

(c) fF = 10khz, VooT = ±7.5µv.

(d) fF = 1000khz, VooT = ± 7.5µv.

The question was posed to me in a dream while sleeping

This interesting question is from Voltage Series Feedback Amplifier topic in chapter Operational Amplifier Characteristics of Linear Integrated Circuits

by (39.8k points)
The correct option is (d) fF = 1000khz, VooT = ± 7.5µv.

Here's an easy explanation: Bandwidth fF =A* fF = 200000*5= 1Mhz.

Total output offset voltage, VooT=  ±Vsat/A= ±15/200000 =± 7.5µv.

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