Output Voltage 1 of Difference Amplifier Solution

STEP 0: Pre-Calculation Summary
Formula Used
Output Voltage 1 = -(Resistance 2/Resistance 1)*Negative Terminal Voltage
V1 = -(R2/R1)*Vn
This formula uses 4 Variables
Variables Used
Output Voltage 1 - (Measured in Volt) - Output voltage 1 signifies the second voltage of the signal after it has been amplified.
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.
Negative Terminal Voltage - (Measured in Volt) - Negative Terminal Voltage is the input voltage given to the negative terminal of the difference amplifier.
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)
Negative Terminal Voltage: -3.75 Volt --> -3.75 Volt No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
V1 = -(R2/R1)*Vn --> -(8750/12500)*(-3.75)
Evaluating ... ...
V1 = 2.625
STEP 3: Convert Result to Output's Unit
2.625 Volt --> No Conversion Required
FINAL ANSWER
2.625 Volt <-- Output Voltage 1
(Calculation completed in 00.004 seconds)

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Created by Nikita Suryawanshi
Vellore Institute of Technology (VIT), Vellore
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8 Integrator & Difference Calculators

Common Mode Gain of Difference Amplifiers
Go Common Mode Gain = (Resistance 4/(Resistance 4+Resistance 3))*(1-((Resistance 2*Resistance 3)/(Resistance 1*Resistance 4)))
Output Voltage of Difference Amplifier
Go Output Voltage = (Resistance 2/Resistance 1)*(Positive Terminal Voltage-(Negative Terminal Voltage))
Output Voltage 1 of Difference Amplifier
Go Output Voltage 1 = -(Resistance 2/Resistance 1)*Negative Terminal Voltage
Output Voltage 2 of Difference Amplifier
Go Output Voltage 2 = (Resistance 2/Resistance 1)*Positive Terminal Voltage
Common Mode Rejection Ratio of Difference Amplifiers
Go CMRR = 20*log10((Differential Mode Gain)/(Common Mode Gain))
Differential Gain of Difference Amplifier
Go Differential Mode Gain = Resistance 2/Resistance 1
Integrator Frequency
Go Integrator Frequency = 1/(Resistance*Capacitance)
Gain of Feedback Operational Amplifier
Go Open Loop Gain = 1/Feedback Factor

Output Voltage 1 of Difference Amplifier Formula

Output Voltage 1 = -(Resistance 2/Resistance 1)*Negative Terminal Voltage
V1 = -(R2/R1)*Vn

What is Difference Amplifier?

A difference amplifier or differential amplifier amplifies the difference between the two input signals. An operational amplifier is a difference amplifier; it has an inverting input and a non-inverting input. But the open-loop voltage gain of an operational amplifier is too high (ideally infinite), to be used without a feedback connection.

How to Calculate Output Voltage 1 of Difference Amplifier?

Output Voltage 1 of Difference Amplifier calculator uses Output Voltage 1 = -(Resistance 2/Resistance 1)*Negative Terminal Voltage to calculate the Output Voltage 1, Output Voltage 1 of Difference Amplifier is the output voltage of the amplifier if vₗ₂ is made equal to 0. Output Voltage 1 is denoted by V1 symbol.

How to calculate Output Voltage 1 of Difference Amplifier using this online calculator? To use this online calculator for Output Voltage 1 of Difference Amplifier, enter Resistance 2 (R2), Resistance 1 (R1) & Negative Terminal Voltage (Vn) and hit the calculate button. Here is how the Output Voltage 1 of Difference Amplifier calculation can be explained with given input values -> 2.625 = -(8750/12500)*(-3.75).

FAQ

What is Output Voltage 1 of Difference Amplifier?
Output Voltage 1 of Difference Amplifier is the output voltage of the amplifier if vₗ₂ is made equal to 0 and is represented as V1 = -(R2/R1)*Vn or Output Voltage 1 = -(Resistance 2/Resistance 1)*Negative Terminal Voltage. 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 & Negative Terminal Voltage is the input voltage given to the negative terminal of the difference amplifier.
How to calculate Output Voltage 1 of Difference Amplifier?
Output Voltage 1 of Difference Amplifier is the output voltage of the amplifier if vₗ₂ is made equal to 0 is calculated using Output Voltage 1 = -(Resistance 2/Resistance 1)*Negative Terminal Voltage. To calculate Output Voltage 1 of Difference Amplifier, you need Resistance 2 (R2), Resistance 1 (R1) & Negative Terminal Voltage (Vn). With our tool, you need to enter the respective value for Resistance 2, Resistance 1 & Negative Terminal Voltage 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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