Figure 6. The Non-inverting Op-Amp Configuration. Note that even in the non-inverting case, negative feedback is used. T
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Figure 6. The Non-inverting Op-Amp Configuration. Note that even in the non-inverting case, negative feedback is used. T
Frequently an amplifier with power gain but no voltage gain is required. This can be accomplished using the configuration of Figure 6 , but with Rf=0 and Ri left open, i.e., Ri equal to infinity. In this case, the gain is extremely close to 1. 1. Set up a unity gain amplifier, repeat the voltage measurements of the preceding section, and record them below.