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How adding a capacitor reduces the signal gain to 1 in an op-amp?

Electrical Engineering Asked by Srikrishna Jana on December 18, 2020

Here I can’t understand how adding a capacitor reduces the signal gain to 1?

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One Answer

Here I can't understand how adding a capacitor reduces the signal gain to 1?

The text you quoted is talking about $color{red}{boxed{text{DC only}}}$ and therefore, putting a capacitor in series with R1 basically open circuits R1 (at DC) and, you are left with a simple unity gain non-inverting amplifier: -

enter image description here

Answered by Andy aka on December 18, 2020

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