Chapter 3
Op-Amp Noise Example Calculations
This chapter covers two detailed noise hand calculations. These calculations use the equations developed in Chapter 2. The concept of the gain bandwidth limiting the op-amp frequency response is introduced. Also, a multiple-stage amplifier example shows how the input stage will be the dominant noise source.
3.1 Example Calculation #1: OPA627 Noninverting Amplifier
At this point, we are finally ready to go through a real-world example. Sometimes engineers are overwhelmed by the amount of work required to get to this point. In fact, it is possible to use simulation software to do some of this difficult work for you. However, it is important to have an understanding of the theoretical background because ...
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