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Differential Voltage in Amplifier Formula

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Differential Input Signal is simply the difference between the two input signals V1 and V2. Check FAQs

V id = \frac{V o}{(\frac{R 4}{R 3}) \cdot (1 + \frac{R 2}{R 1})}

V_id - Differential Input Signal?V_o - Output Voltage?R₄ - Resistance 4?R₃ - Resistance 3?R₂ - Resistance 2?R₁ - Resistance 1?

Differential Voltage in Amplifier Example

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Here is how the Differential Voltage in Amplifier equation looks like with Values.

Here is how the Differential Voltage in Amplifier equation looks like with Units.

Here is how the Differential Voltage in Amplifier equation looks like.

12 = \frac{13.6}{(\frac{7}{10.5}) \cdot (1 + \frac{8.75}{12.5})}

12V = \frac{13.6V}{(\frac{7kΩ}{10.5kΩ}) \cdot (1 + \frac{8.75kΩ}{12.5kΩ})}

12 = \frac{13.6}{(\frac{7}{10.5}) \cdot (1 + \frac{8.75}{12.5})}

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Differential Voltage in Amplifier Solution

Follow our step by step solution on how to calculate Differential Voltage in Amplifier?

FIRST Step Consider the formula

V id = \frac{V o}{(\frac{R 4}{R 3}) \cdot (1 + \frac{R 2}{R 1})}

Next Step Substitute values of Variables

∴

V id = \frac{13.6V}{(\frac{7kΩ}{10.5kΩ}) \cdot (1 + \frac{8.75kΩ}{12.5kΩ})}

Next Step Convert Units

∴

V id = \frac{13.6V}{(\frac{7000Ω}{10500Ω}) \cdot (1 + \frac{8750Ω}{12500Ω})}

Next Step Prepare to Evaluate

∴

V id = \frac{13.6}{(\frac{7000}{10500}) \cdot (1 + \frac{8750}{12500})}

LAST Step Evaluate

∴

V id = 12V

Differential Voltage in Amplifier Formula Elements

Variables

Differential Input Signal

Differential Input Signal is simply the difference between the two input signals V1 and V2.

Symbol: V_id

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Differential Input Signal

Output Voltage

Output Voltage refers to the voltage at the output or load terminal.

Symbol: V_o

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Output Voltage

Resistance 4

Resistance 4 is a measure of the opposition to current flow in an electrical circuit.

Symbol: R₄

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Resistance 4

Resistance 3

Resistance 3 is a measure of the opposition to current flow in an electrical circuit.

Symbol: R₃

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Resistance 3

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

Other formulas in Amplifier Characteristics category

Go Power Gain of Amplifier

A p = \frac{P L}{P in}

Go Current Gain of Amplifier

A i = \frac{I o}{i in}

Go Base Junction Width of Amplifier

w b = \frac{A be \cdot [Charge-e] \cdot D n \cdot n po}{i sat}

Go Current Gain of Amplifier in Decibels

A i(dB) = 20 \cdot (\log 10 (A i))

How to Evaluate Differential Voltage in Amplifier?

Differential Voltage in Amplifier evaluator uses Differential Input Signal = Output Voltage/((Resistance 4/Resistance 3)*(1+(Resistance 2)/Resistance 1)) to evaluate the Differential Input Signal, Differential Voltage in Amplifier refers to the difference in voltage between the input and output signals. This difference is critical in amplifying weak signals and producing a larger output voltage. Differential Input Signal is denoted by V_id symbol.

How to evaluate Differential Voltage in Amplifier using this online evaluator? To use this online evaluator for Differential Voltage in Amplifier, enter Output Voltage (V_o), Resistance 4 (R₄), Resistance 3 (R₃), Resistance 2 (R₂) & Resistance 1 (R₁) and hit the calculate button.

FAQs on Differential Voltage in Amplifier

What is the formula to find Differential Voltage in Amplifier?

The formula of Differential Voltage in Amplifier is expressed as Differential Input Signal = Output Voltage/((Resistance 4/Resistance 3)*(1+(Resistance 2)/Resistance 1)). Here is an example- 12 = 13.6/((7000/10500)*(1+(8750)/12500)).

How to calculate Differential Voltage in Amplifier?

With Output Voltage (V_o), Resistance 4 (R₄), Resistance 3 (R₃), Resistance 2 (R₂) & Resistance 1 (R₁) we can find Differential Voltage in Amplifier using the formula - Differential Input Signal = Output Voltage/((Resistance 4/Resistance 3)*(1+(Resistance 2)/Resistance 1)).

Can the Differential Voltage in Amplifier be negative?

No, the Differential Voltage in Amplifier, measured in Electric Potential cannot be negative.

Which unit is used to measure Differential Voltage in Amplifier?

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

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Differential Voltage in Amplifier Formula

Differential Voltage in Amplifier Example

Differential Voltage in Amplifier Solution

Differential Voltage in Amplifier Formula Elements

Other formulas in Amplifier Characteristics category

How to Evaluate Differential Voltage in Amplifier?

FAQs on Differential Voltage in Amplifier

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