Op-Amp Noise Example Calculations R in 1 k R f 10 k -18 V 39 - R 1 100 k + + U1 OPA209 Vout V in +18 V Further Reading Hogg R.V., Tanis E.A., 1988, Probability and Statistical Inference, third ed. Macmillan, London. Motchenbacher C.D., Connelly J.A., 1993, Low-Noise Electronic System Design, Wiley-Interscience, New York.