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Output Voltage of Difference Amplifier Formula

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Output Voltage is an amplified replica of the input signal which is accepted by a linear amplifier. Check FAQs

V o = (\frac{R 2}{R 1}) \cdot (V p - (V n))

V_o - Output Voltage?R₂ - Resistance 2?R₁ - Resistance 1?V_p - Positive Terminal Voltage?V_n - Negative Terminal Voltage?

Output Voltage of Difference Amplifier Example

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Here is how the Output Voltage of Difference Amplifier equation looks like with Values.

Here is how the Output Voltage of Difference Amplifier equation looks like with Units.

Here is how the Output Voltage of Difference Amplifier equation looks like.

9.45 = (\frac{8.75}{12.5}) \cdot (9.75 - (-3.75))

9.45V = (\frac{8.75kΩ}{12.5kΩ}) \cdot (9.75V - (-3.75V))

9.45 = (\frac{8.75}{12.5}) \cdot (9.75 - (-3.75))

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Output Voltage of Difference Amplifier Solution

Follow our step by step solution on how to calculate Output Voltage of Difference Amplifier?

FIRST Step Consider the formula

V o = (\frac{R 2}{R 1}) \cdot (V p - (V n))

Next Step Substitute values of Variables

∴

V o = (\frac{8.75kΩ}{12.5kΩ}) \cdot (9.75V - (-3.75V))

Next Step Convert Units

∴

V o = (\frac{8750Ω}{12500Ω}) \cdot (9.75V - (-3.75V))

Next Step Prepare to Evaluate

∴

V o = (\frac{8750}{12500}) \cdot (9.75 - (-3.75))

LAST Step Evaluate

∴

V o = 9.45V

Output Voltage of Difference Amplifier Formula Elements

Variables

Output Voltage

Output Voltage is an amplified replica of the input signal which is accepted by a linear amplifier.

Symbol: V_o

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Output Voltage

Resistance 2

Resistance 2 is a measure of the opposition to current flow in an electrical circuit.

Symbol: R₂

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Resistance 2

Resistance 1

Resistance 1 is a measure of the opposition to current flow in an electrical circuit.

Symbol: R₁

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Resistance 1

Positive Terminal Voltage

Positive Terminal Voltage is the input voltage given to the negative terminal of the difference amplifier.

Symbol: V_p

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Positive Terminal Voltage

Negative Terminal Voltage

Negative Terminal Voltage is the input voltage given to the negative terminal of the difference amplifier.

Symbol: V_n

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Negative Terminal Voltage

Other formulas in Integrator and Difference category

Go Common Mode Gain of Difference Amplifiers

A cm = (\frac{R 4}{R 4 + R 3}) \cdot (1 - (\frac{R 2 \cdot R 3}{R 1 \cdot R 4}))

Go Common Mode Rejection Ratio of Difference Amplifiers

CMRR = 20 \cdot \log 10 (\frac{A d}{A cm})

Go Output Voltage 1 of Difference Amplifier

V 1 = - (\frac{R 2}{R 1}) \cdot V n

Go Output Voltage 2 of Difference Amplifier

V 2 = (\frac{R 2}{R 1}) \cdot V p

How to Evaluate Output Voltage of Difference Amplifier?

Output Voltage of Difference Amplifier evaluator uses Output Voltage = (Resistance 2/Resistance 1)*(Positive Terminal Voltage-(Negative Terminal Voltage)) to evaluate the Output Voltage, Output voltage of difference amplifier given us the final output voltage which is proportional to the difference between the voltage applied to the inverting and non-inverting terminal. Output Voltage is denoted by V_o symbol.

How to evaluate Output Voltage of Difference Amplifier using this online evaluator? To use this online evaluator for Output Voltage of Difference Amplifier, enter Resistance 2 (R₂), Resistance 1 (R₁), Positive Terminal Voltage (V_p) & Negative Terminal Voltage (V_n) and hit the calculate button.

FAQs on Output Voltage of Difference Amplifier

What is the formula to find Output Voltage of Difference Amplifier?

The formula of Output Voltage of Difference Amplifier is expressed as Output Voltage = (Resistance 2/Resistance 1)*(Positive Terminal Voltage-(Negative Terminal Voltage)). Here is an example- 9.45 = (8750/12500)*(9.75-((-3.75))).

How to calculate Output Voltage of Difference Amplifier?

With Resistance 2 (R₂), Resistance 1 (R₁), Positive Terminal Voltage (V_p) & Negative Terminal Voltage (V_n) we can find Output Voltage of Difference Amplifier using the formula - Output Voltage = (Resistance 2/Resistance 1)*(Positive Terminal Voltage-(Negative Terminal Voltage)).

Can the Output Voltage of Difference Amplifier be negative?

No, the Output Voltage of Difference Amplifier, measured in Electric Potential cannot be negative.

Which unit is used to measure Output Voltage of Difference Amplifier?

Output Voltage of Difference Amplifier is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Output Voltage of Difference Amplifier can be measured.

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Output Voltage of Difference Amplifier Formula

Output Voltage of Difference Amplifier Example

Output Voltage of Difference Amplifier Solution

Output Voltage of Difference Amplifier Formula Elements

Other formulas in Integrator and Difference category

How to Evaluate Output Voltage of Difference Amplifier?

FAQs on Output Voltage of Difference Amplifier

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