Electronic Devices - Operational Amplifiers - Discussion
Discussion Forum : Operational Amplifiers - General Questions (Q.No. 36)
36.
Calculate the output impedance of an inverting op-amp using the 741 op-amp (ro = 75 
, AOL = 200 V/mV) if R1 = 100 and Rf = 1 k.
, AOL = 200 V/mV) if R1 = 100 and Rf = 1 k.Discussion:
7 comments Page 1 of 1.
Budo said:
7 years ago
Rout = r0*ACL/AOL;.
ACL = -Rf/R1;.
ACL = -Rf/R1;.
Pradeep said:
7 years ago
-Rf/Ri*ro/Aol.
The answer is .00375.
The answer is .00375.
Sandesh said:
9 years ago
@Sarika
b is feedback.
b is feedback.
Abc said:
1 decade ago
B=Rf/R1-feedback gain.
Siva said:
1 decade ago
B = 1/(-Rf/R1).
Sarika said:
1 decade ago
What is B in this formula RO/(AOL*B+1)?
JIY@ said:
1 decade ago
RO/(AOL*B+1)
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