Electronic Devices - Op-Amp Applications - Discussion

Discussion :: Op-Amp Applications - General Questions (Q.No.7)

7. 

Determine the output voltage for this circuit with a sinusoidal input of 2.5 mV.

[A]. –0.25 V
[B]. –0.125 V
[C]. 0.25 V
[D]. 0.125 V

Answer: Option B

Explanation:

No answer description available for this question.

Anwar said: (Oct 23, 2011)  
Here in the given circuit the resistance 4K is the input resistance and feedback resistance is 200k with the input voltage of 2.5mV then the output can be caluculated as -R2/R1 (vi).

Nirmla said: (Aug 8, 2013)  
Vout - (Rf/Ri)*V1.

200/4*2.5*1000V.

-0.125V.

Sahal said: (Aug 29, 2016)  
Vout = -(Rf/Ri) * Vi.
= -(200/4) * 2.5 * 10^-3 V,
= -(50) * (0.0025),
= -0.125 V.

RAhul said: (Oct 5, 2018)  
vo = -v1*rf/r1 this is inverting case.
-2.5mv*200/4.
-2.5mv*50.
-125mv.
1mv=1000,
0.125.

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