Nikita Suryawanshi
Vellore Institute of Technology (VIT), Vellore
Nikita Suryawanshi has created this Calculator and 100+ more calculators!
Urvi Rathod
Vishwakarma Government Engineering College (VGEC), Ahmedabad
Urvi Rathod has verified this Calculator and 500+ more calculators!

1 Other formulas that you can solve using the same Inputs

Common Mode Rejection Ratio
CMRR=20*log10(Differential mode gain/Common Mode Gain) GO

1 Other formulas that calculate the same Output

Common Mode Rejection Ratio
CMRR=20*log10(Differential mode gain/Common Mode Gain) GO

Common-mode rejection ratio of the difference amplifiers Formula

CMRR=20*log(modulus(Differential mode gain)/modulus(Common Mode Gain),10)
CMRR=20*log(modulus(Ad)/modulus(Acm),10)
More formulas
Differential Input Signal GO
Common-mode input signal of an operational amplifier GO
Closed-loop gain of an operational amplifier GO
Current in finite open-loop gain in operational amplifier GO
Output voltage of Finite Open-Loop Gain of an operational amplifier GO
Output voltage of noninverting configuration GO
Output voltage V<sub>01</sub> of a difference amplifier GO
Output voltage V<sub>02</sub> of a difference amplifier GO
Output voltage V<sub>o</sub> of a difference amplifier GO
Differential gain of a difference amplifier GO
Magnitude of integrator transfer function GO
Integrator frequency GO

What is Common-mode rejection ratio?

The common mode rejection ratio of a differential amplifier is a metric used to quantify the ability of the device to reject common-mode signals, i.e. those that appear simultaneously and in-phase on both inputs.

What is Differential Amplifier?

The difference amplifiers amplify the difference between two voltages making this type of operational amplifier circuit a Subtractor unlike a summing amplifier which adds or sums together the input voltages.

How to Calculate Common-mode rejection ratio of the difference amplifiers?

Common-mode rejection ratio of the difference amplifiers calculator uses CMRR=20*log(modulus(Differential mode gain)/modulus(Common Mode Gain),10) to calculate the CMRR, The Common-mode rejection ratio of the difference amplifiers indicates how much of the common-mode signal will appear in your measurement. . CMRR and is denoted by CMRR symbol.

How to calculate Common-mode rejection ratio of the difference amplifiers using this online calculator? To use this online calculator for Common-mode rejection ratio of the difference amplifiers, enter Differential mode gain (Ad) and Common Mode Gain (Acm) and hit the calculate button. Here is how the Common-mode rejection ratio of the difference amplifiers calculation can be explained with given input values -> 20 = 20*log(modulus(100)/modulus(10),10).

FAQ

What is Common-mode rejection ratio of the difference amplifiers?
The Common-mode rejection ratio of the difference amplifiers indicates how much of the common-mode signal will appear in your measurement. and is represented as CMRR=20*log(modulus(Ad)/modulus(Acm),10) or CMRR=20*log(modulus(Differential mode gain)/modulus(Common Mode Gain),10). Differential mode gain / Differential gain is a kind of linearity distortion which affects the color saturation in TV broadcasting and Common Mode Gain (Acm) which is typically much smaller than the differential gain. Acm is the gain given to a voltage that appears on both input terminals with respect to ground. .
How to calculate Common-mode rejection ratio of the difference amplifiers?
The Common-mode rejection ratio of the difference amplifiers indicates how much of the common-mode signal will appear in your measurement. is calculated using CMRR=20*log(modulus(Differential mode gain)/modulus(Common Mode Gain),10). To calculate Common-mode rejection ratio of the difference amplifiers, you need Differential mode gain (Ad) and Common Mode Gain (Acm). With our tool, you need to enter the respective value for Differential mode gain and Common Mode Gain and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate CMRR?
In this formula, CMRR uses Differential mode gain and Common Mode Gain. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • CMRR=20*log10(Differential mode gain/Common Mode Gain)
Share Image
Let Others Know
Facebook
Twitter
Reddit
LinkedIn
Email
WhatsApp
Copied!