Basic inverting amplifier circuit composed of the μA709

Published:2011/8/22 22:10:00 Author:Rebekka | Keyword: Basic inverting amplifier | From:SeekIC

The figure of the basic inverting amplifier circuit composed of the μA709 is shown as above. The main performance of the U A709 : According to the figure, the feedback resistor Rf will connect the output and input ends. Since the circuit output, input voltage are inverting, the Rf leads the voltage parallel negative feedback. Thereby the amplifier works in linear region with the op-amp transmission characteristics, that is, the output voltage is proportional to the input voltage. In addition, the inverting input end is connected to the resistor Ri in series, and it is the operational amplifier's input resistor. The increasing of Ri can reduce the source of the load.



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