Amplifier Power Efficiency Calculator

✖Load Power is the power delivered to load in the circuit.ⓘ Load Power [P_L]			+10% -10%
✖Input Power is defined as the power supplied to the transistor circuit at the supply terminal by the source.ⓘ Input Power [P_in]			+10% -10%

✖Power Efficiency Percentage is used to calculate the efficiency of the amplifier to minimize the power loss.ⓘ Amplifier Power Efficiency [%η_p]

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Amplifier Power Efficiency Solution

STEP 0: Pre-Calculation Summary

Formula Used

Power Efficiency Percentage = 100*(Load Power/Input Power)
%η_p = 100*(P_L/P_in)
This formula uses 3 Variables

Variables Used

Power Efficiency Percentage - Power Efficiency Percentage is used to calculate the efficiency of the amplifier to minimize the power loss.
Load Power - (Measured in Watt) - Load Power is the power delivered to load in the circuit.
Input Power - (Measured in Watt) - Input Power is defined as the power supplied to the transistor circuit at the supply terminal by the source.

STEP 1: Convert Input(s) to Base Unit

Load Power: 7.95 Watt --> 7.95 Watt No Conversion Required
Input Power: 9 Watt --> 9 Watt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

%η_p = 100*(P_L/P_in) --> 100*(7.95/9)

Evaluating ... ...

%η_p = 88.3333333333333

STEP 3: Convert Result to Output's Unit

88.3333333333333 --> No Conversion Required

FINAL ANSWER

88.3333333333333 ≈ 88.33333 <-- Power Efficiency Percentage

(Calculation completed in 00.020 seconds)

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Created by Devyaani Garg

Shiv Nadar University (SNU), Greater Noida

Devyaani Garg has created this Calculator and 50+ more calculators!

Verified by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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< Amplifier Characteristics Calculators

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Amplifier Power Efficiency Formula

LaTeX Go

Power Efficiency Percentage = 100*(Load Power/Input Power)
%η_p = 100*(P_L/P_in)

What does amplifier power efficiency depends on?

Amplifier power efficiency depends on several factors, including the type of amplifier (class AB, class D, etc.), the load impedance, the input signal level, and the design of the amplifier circuit. Also mainly it depends on the amount of input and output power.

How to Calculate Amplifier Power Efficiency?

Amplifier Power Efficiency calculator uses Power Efficiency Percentage = 100*(Load Power/Input Power) to calculate the Power Efficiency Percentage, The Amplifier Power Efficiency formula is an important performance parameter of an amplifier as it helps to keep track of the power loss in an amplifier and hence helps in improving its performance by minimizing the loss. Power Efficiency Percentage is denoted by %η_p symbol.

How to calculate Amplifier Power Efficiency using this online calculator? To use this online calculator for Amplifier Power Efficiency, enter Load Power (P_L) & Input Power (P_in) and hit the calculate button. Here is how the Amplifier Power Efficiency calculation can be explained with given input values -> 88.33333 = 100*(7.95/9).

FAQ

What is Amplifier Power Efficiency?

The Amplifier Power Efficiency formula is an important performance parameter of an amplifier as it helps to keep track of the power loss in an amplifier and hence helps in improving its performance by minimizing the loss and is represented as %η_p = 100*(P_L/P_in) or Power Efficiency Percentage = 100*(Load Power/Input Power). Load Power is the power delivered to load in the circuit & Input Power is defined as the power supplied to the transistor circuit at the supply terminal by the source.

How to calculate Amplifier Power Efficiency?

The Amplifier Power Efficiency formula is an important performance parameter of an amplifier as it helps to keep track of the power loss in an amplifier and hence helps in improving its performance by minimizing the loss is calculated using Power Efficiency Percentage = 100*(Load Power/Input Power). To calculate Amplifier Power Efficiency, you need Load Power (P_L) & Input Power (P_in). With our tool, you need to enter the respective value for Load Power & Input Power 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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