Figure 4 Both op- amps are compensated and have A OL = 100 dB and f T = 2 MHz.
-Refer to Figure 4(b). The closed loop bandwidth, fc(cl), is
A)293 kHz
B)218 kHz
C)244 kHz
D)256 kHz

Name: Figure 4 Both op- amps are compensated and have A OL = 100 dB and f T = 2 MHz. -Refer to Figure 4(b). The closed loop bandwidth, fc(cl), is A)293 kHz B)218 kHz C)244 kHz D)256 kHz
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Question

Figure 4 Both op- amps are compensated and have A OL = 100 dB and f T = 2 MHz.
-Refer to Figure 4(b). The closed loop bandwidth, fc(cl), is
A)293 kHz 
B)218 kHz 
C)244 kHz 
D)256 kHz

Quizplus · Accepted Answer

The closed loop bandwidth is the frequency at which the loop gain is 0 dB. In this case, the loop gain is 0 dB at 293 kHz.

Figure 4 Both Op- Amps Are Compensated and Have AOL

Figure 4 Both Op- Amps Are Compensated and Have A_OL