Find the gain magnitude and phase angle of the op-amp using the specifications:f= 50Hz; fo=5Hz ; A=140000.

Find the gain magnitude and phase angle of the op-amp using the specif

1.	Find the gain magnitude and phase angle of the op-amp using the specifications: f= 50Hz; f_o=5Hz ; A=140000.
A.	A<sub>OL</sub>(f)= 22.92dB , (f) = 89.99<sup>o</sup>
B.	A<sub>OL</sub>(f)= 66dB , (f) = 90<sup>o</sup>
C.	A<sub>OL</sub>(f)= 26dB, (f) = 89.99<sup>o</sup>
D.	A<sub>OL</sub>(f)= 20dB , (f) = 84.29<sup>o</sup>
Answer» B. A<sub>OL</sub>(f)= 66dB , (f) = 90<sup>o</sup>