A particular op amp, characterized by a gain bandwidth product of 20 MHz, is operated with a closed-loop gain of +100 V/V. What 3-dB bandwidth results? At what frequency does the closed-loop amplifier exhibit a 6 phase shift?

A particular op amp, characterized by a gain bandwidth product of 20 M

1.	A particular op amp, characterized by a gain bandwidth product of 20 MHz, is operated with a closed-loop gain of +100 V/V. What 3-dB bandwidth results? At what frequency does the closed-loop amplifier exhibit a 6 phase shift?
A.	21 kHz
B.	31.5 kHz
C.	42 kHz
D.	52.5 kHz
Answer» B. 31.5 kHz

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A particular op amp, characterized by a gain bandwidth product of 20 MHz, is operated with a closed-loop gain of +100 V/V. What 3-dB bandwidth results? At what frequency does the closed-loop amplifier exhibit a 6 phase shift?

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