![]() But actually, the op-amp provides a very high gain up to cut-off frequency. And up to cut-off frequency, the op-amp provides very high gain.Īlthough we typically say that, the gain of the op-amp is very high. Typically for the op-amp, it used to be in the range of 10 to 100 Hz. As seen from the above frequency response curve of the op-amp, the cut-off frequency is very low. ![]() 1 Frequency Response of the operational amplifierĪs shown in Fig.1, The gain of the op-amp is constant up to a certain frequency and beyond that frequency, the gain of the op-amp reduces at a constant rate of -20 dB/dec.Ĭut-off Frequency of the op-amp: The frequency at which the gain of the op-amp reduces by 3dB from the maximum value is known as the cut-off frequency of the op-amp. ![]()
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