Electronic Devices - Op-Amp Applications - Discussion
Discussion Forum : Op-Amp Applications - General Questions (Q.No. 19)
19.
Calculate the input voltage for this circuit if Vo = –11 V.
Discussion:
2 comments Page 1 of 1.
Pragatheeswaran said:
1 decade ago
Vin = Vo/(-Rf/Ri).
= -11v/(-100k/10k).
= -11/-10.
Vin = 1.1 volt.
= -11v/(-100k/10k).
= -11/-10.
Vin = 1.1 volt.
Saravanan said:
1 decade ago
Given circuit is inverting amp so gain is -(Rf/Rin)
vo/vin=-(100/10)
-11/vin=-10=>
vin=1.1
vo/vin=-(100/10)
-11/vin=-10=>
vin=1.1
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