Ganho Op-Amp Não-Inversor
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
não-inversor
About this calculator
The Op-Amp Non-Inverting Gain Calculator is a useful tool for calculating the gain of a non-inverting operational amplifier. Based on the formula G = 1 + Rf/Ri, this calculator allows you to determine the gain of the circuit without having to do the calculations manually.
The gain of a non-inverting operational amplifier is determined by the ratio of the feedback resistance (Rf) to the input resistance (Ri). The formula G = 1 + Rf/Ri provides an exact value of the gain of the circuit.
This calculator is ideal for electrical engineers, students and professionals working with amplification circuits. With it, you can quickly calculate the gain of a non-inverting operational amplifier and make adjustments to achieve the desired result.
Remember that common precautions when working with amplification circuits include choosing high-quality resistors, avoiding short circuits and ensuring that the circuit is properly configured.
Frequently asked questions
What is an Op-Amp non-inverter?
An Op-Amp non-inverter is a type of operational amplifier that amplifies the input in the same direction as the output. It is different from an inverter, which inverts the polarity of the output.
Why is it important to calculate the gain of an Op-Amp non-inverter?
Calculating the gain of an Op-Amp non-inverter is important because it allows you to determine the magnitude of the output of the circuit in relation to the input. This is vital to ensure that the circuit is correctly configured and produces the desired result.
Can I use this calculator for other types of circuits?
No, this calculator is specific to Op-Amp non-inverters. If you need to calculate the gain of another type of circuit, you will need a different calculator.
What is the feedback resistance (Rf) and the input resistance (Ri)?
The feedback resistance (Rf) is the resistance connected at the output of the Op-Amp, while the input resistance (Ri) is the resistance connected at the input of the Op-Amp.