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Compare inverting & non inverting configurations of opamp.
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| written 3.5 years ago by |
| Inverting Amplifier | Non - Inverting Amplifier |
|---|---|
| A type of amplifier whose amplified output is 180 degrees out of phase with the input signal. | A type of amplifier whose amplified output is in-phase with the input signal. |
| The input and output signal has 180 degrees of phase difference. | The input and output signals are in-phase or have a 0 degree phase difference. |
| The input signal is applied at the inverting terminal. | The input signal is applied at the non-inverting terminal. |
| The non-inverting terminal is grounded. | The inverting terminal is grounded through a resistor. |
| Its gain is given by Av = -(Rf / Ri). | Its gain is given by Av = 1 + (Rf / R). |
| It has a lower gain than a non-inverting amplifier. | It has a relatively higher gain. |
| It has a negative voltage gain. | It has a positive voltage gain. |