Analog Electronics

Q1:
If the op-amp in figure has a unity gain frequency of 1 MHz, the cut off frequency is

A 100 kHz

B 1 MHz

C 10 MHz

D 90 MHz

ANS:A - 100 kHz

Av = 1+ (Rf/R1).

Gain Bandwidth Product = Av x Cutoff frequency.

Av = 10.

GBW = 1 MHz.

Cutoff frequency = 100 KHz.



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