Differential Gain of Difference Amplifier Calculator

✖Resistance 2 is a measure of the opposition to current flow in an electrical circuit.ⓘ Resistance 2 [R₂]			+10% -10%
✖Resistance 1 is a measure of the opposition to current flow in an electrical circuit.ⓘ Resistance 1 [R₁]			+10% -10%

✖Differential mode gain is the gain of the amplifier when a differential input is supplied i.e. input 1 is not equal to input 2.ⓘ Differential Gain of Difference Amplifier [A_d]

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Differential Gain of Difference Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Differential Mode Gain = Resistance 2/Resistance 1
A_d = R₂/R₁
This formula uses 3 Variables

Variables Used

Differential Mode Gain - Differential mode gain is the gain of the amplifier when a differential input is supplied i.e. input 1 is not equal to input 2.
Resistance 2 - (Measured in Ohm) - Resistance 2 is a measure of the opposition to current flow in an electrical circuit.
Resistance 1 - (Measured in Ohm) - Resistance 1 is a measure of the opposition to current flow in an electrical circuit.

STEP 1: Convert Input(s) to Base Unit

Resistance 2: 8.75 Kilohm --> 8750 Ohm (Check conversion here)
Resistance 1: 12.5 Kilohm --> 12500 Ohm (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

A_d = R₂/R₁ --> 8750/12500

Evaluating ... ...

A_d = 0.7

STEP 3: Convert Result to Output's Unit

0.7 --> No Conversion Required

FINAL ANSWER

0.7 <-- Differential Mode Gain

(Calculation completed in 00.006 seconds)

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Created by Devyaani Garg

Shiv Nadar University (SNU), Greater Noida

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Birsa Institute of Technology (BIT), Sindri

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< Integrator and Difference Calculators

Common Mode Gain of Difference Amplifiers

LaTeX Go Common Mode Gain = (Resistance 4/(Resistance 4+Resistance 3))*(1-((Resistance 2*Resistance 3)/(Resistance 1*Resistance 4)))

Output Voltage 1 of Difference Amplifier

LaTeX Go Output Voltage 1 = -(Resistance 2/Resistance 1)*Negative Terminal Voltage

Output Voltage 2 of Difference Amplifier

LaTeX Go Output Voltage 2 = (Resistance 2/Resistance 1)*Positive Terminal Voltage

Common Mode Rejection Ratio of Difference Amplifiers

LaTeX Go CMRR = 20*log10((Differential Mode Gain)/(Common Mode Gain))

Differential Gain of Difference Amplifier Formula

LaTeX Go

Differential Mode Gain = Resistance 2/Resistance 1
A_d = R₂/R₁

How can the differential gain be expressed in terms of voltage?

The differential gain of the difference amplifier can be expresses as follows : v_o = A_d*(V₁ - V₂) where V₁ and V₂ are the input signal voltages. The Differential gain of a difference amplifier is defined as the gain obtained at the output signal with respect to the difference in the input signals applied.

How to Calculate Differential Gain of Difference Amplifier?

Differential Gain of Difference Amplifier calculator uses Differential Mode Gain = Resistance 2/Resistance 1 to calculate the Differential Mode Gain, The Differential Gain of Difference Amplifier formula is defined as the ratio of the resistance R₂ and resistance R₁ where the resistance have notations according to the general diagram of the difference amplifier. Differential Mode Gain is denoted by A_d symbol.

How to calculate Differential Gain of Difference Amplifier using this online calculator? To use this online calculator for Differential Gain of Difference Amplifier, enter Resistance 2 (R₂) & Resistance 1 (R₁) and hit the calculate button. Here is how the Differential Gain of Difference Amplifier calculation can be explained with given input values -> 0.7 = 8750/12500.

FAQ

What is Differential Gain of Difference Amplifier?

The Differential Gain of Difference Amplifier formula is defined as the ratio of the resistance R₂ and resistance R₁ where the resistance have notations according to the general diagram of the difference amplifier and is represented as A_d = R₂/R₁ or Differential Mode Gain = Resistance 2/Resistance 1. Resistance 2 is a measure of the opposition to current flow in an electrical circuit & Resistance 1 is a measure of the opposition to current flow in an electrical circuit.

How to calculate Differential Gain of Difference Amplifier?

The Differential Gain of Difference Amplifier formula is defined as the ratio of the resistance R₂ and resistance R₁ where the resistance have notations according to the general diagram of the difference amplifier is calculated using Differential Mode Gain = Resistance 2/Resistance 1. To calculate Differential Gain of Difference Amplifier, you need Resistance 2 (R₂) & Resistance 1 (R₁). With our tool, you need to enter the respective value for Resistance 2 & Resistance 1 and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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