SOLUTION: Hello, We got this basic op amp at TAFE. Vin- db- Vout I know how to work out db and finding Vout but I can't work out how to get Vin. The problem we got is Vin- 26db- 1V Wh

Question 708185: Hello,
We got this basic op amp at TAFE.
Vin- db- Vout
I know how to work out db and finding Vout but I can't work out how to get Vin.
The problem we got is Vin- 26db- 1V What is the formula for working out Vin.
I know Vout is:
Vout=
is there a formula like that to find Vin?
Thank you
PS THe answer given was 50mv but I'm not sure how they worked it out.

Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
<---> so
Solving for we get

Converting Volts to milliVolts requires multiplying times 1000:

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