LM324 Op-Amp Inverting Amplifier Application and Gain Calculation

The LM324 and LM2902 operational amplifiers are useful in a wide range of signal conditioning applications. Inputs can be powered before VCC for flexibility in multiple supply circuits.

A typical application for an operational amplifier in an inverting amplifier. This amplifier takes a positive voltage on the input, and makes it a negative voltage of the same magnitude. In the same manner, it also makes negative voltages positive. This application is from www.ti.com

op-amp-inverting-amplifier-application-gain-calculation

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