Question:

I have a non-interverting amplifier. Rf is 570kOhm, Ri is 1.65kOhm, Vin is 10mV rms. What's Acl, Vout, & Vf?

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my book does not tell me the formula to get Vout or Vf...pleas help

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  1. Gain is 1 + Rf/Ri = 346

    so Vout is 10mV x 346 = 3.46 volts

    Vf = 3.46 - 0.01 = 3.45 volts

    .

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