Power Gain of Amplifier 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 Gain is a measure of the ability of an amplifier to increase the power or amplitude of a signal from the input to the output port.ⓘ Power Gain of Amplifier [A_p]

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Formula

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Power Gain of Amplifier

Formula

`"A"_{"p"} = "P"_{"L"}/"P"_{"in"}`

Example

`"0.883333"="7.95W"/"9W"`

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Power Gain of Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Power Gain = Load Power/Input Power
A_p = P_L/P_in
This formula uses 3 Variables

Variables Used

Power Gain - Power Gain is a measure of the ability of an amplifier to increase the power or amplitude of a signal from the input to the output port.
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

A_p = P_L/P_in --> 7.95/9

Evaluating ... ...

A_p = 0.883333333333333

STEP 3: Convert Result to Output's Unit

0.883333333333333 --> No Conversion Required

FINAL ANSWER

0.883333333333333 ≈ 0.883333 <-- Power Gain

(Calculation completed in 00.005 seconds)

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Created by Aarush Vats

Guru Gobind Singh Indraprastha University (GGSIPU), Delhi

Aarush Vats has created this Calculator and 8 more calculators!

Verified by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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< 21 Amplifier Characteristics Calculators

Base Junction Width of Amplifier

Go Base Junction Width = (Base Emitter Area*[Charge-e]*Electron Diffusivity*Thermal Equilibrium Concentration)/Saturation Current

Saturation Current

Go Saturation Current = (Base Emitter Area*[Charge-e]*Electron Diffusivity*Thermal Equilibrium Concentration)/Base Junction Width

Differential Voltage in Amplifier

Go Differential Input Signal = Output Voltage/((Resistance 4/Resistance 3)*(1+(Resistance 2)/Resistance 1))

Output Voltage for Instrumentation Amplifier

Go Output Voltage = (Resistance 4/Resistance 3)*(1+(Resistance 2)/Resistance 1)*Differential Input Signal

Voltage Gain given Load Resistance

Go Voltage Gain = Common Base Current Gain*((1/(1/Load Resistance+1/Collector Resistance))/Emitter Resistance)

Load Power of Amplifier

Go Load Power = (Positive DC Voltage*Positive DC Current)+(Negative DC Voltage*Negative DC Current)

Signal Voltage of Amplifier

Go Signal Voltage = Input Voltage*((Input Resistance+Signal Resistance)/Input Resistance)

Input Voltage of Amplifier

Go Input Voltage = (Input Resistance/(Input Resistance+Signal Resistance))*Signal Voltage

Differential Gain of Instrumentation Amplifier

Go Differential Mode Gain = (Resistance 4/Resistance 3)*(1+(Resistance 2)/Resistance 1)

Load Resistance with respect to Transconductance

Go Load Resistance = -(Output Voltage Gain*(1/Transconductance+Series Resistor))

Output Voltage Gain given Transconductance

Go Output Voltage Gain = -(Load Resistance/(1/Transconductance+Series Resistor))

Open-Circuit Transresistance

Go Open Circuit Transresistance = Output Voltage/Input Current

Amplifier Power Efficiency

Go Power Efficiency Percentage = 100*(Load Power/Input Power)

Current Gain of Amplifier in Decibels

Go Current Gain in Decibels = 20*(log10(Current Gain) )

Output Voltage of Amplifier

Go Output Voltage = Voltage Gain*Input Voltage

Current Gain of Amplifier

Go Current Gain = Output Current/Input Current

Voltage Gain of Amplifier

Go Voltage Gain = Output Voltage/Input Voltage

Input Voltage at Maximum Power Dissipation

Go Input Voltage = (Peak Voltage*pi)/2

Peak Voltage at Maximum Power Dissipation

Go Peak Voltage = (2*Input Voltage)/pi

Power Gain of Amplifier

Go Power Gain = Load Power/Input Power

Open Circuit Time Constant of Amplifier

Go Open Circuit Time Constant = 1/Pole Frequency

Power Gain of Amplifier Formula

Power Gain = Load Power/Input Power
A_p = P_L/P_in

What are the applications of power gain of the amplifier?

The applications of power gain include: Signal amplification in communication systems, such as radio broadcasting and telecommunications,enhancing the sensitivity of a sensor or receiver, allowing it to detect weak signals and improving the loudness or volume of an audio signal in audio systems.

How to Calculate Power Gain of Amplifier?

Power Gain of Amplifier calculator uses Power Gain = Load Power/Input Power to calculate the Power Gain, The Power Gain of Amplifier formula is defined as the load power P(l) to the input power P(i), an amplifier provides the load with a power greater than that obtained from the signal source. Power Gain is denoted by A_p symbol.

How to calculate Power Gain of Amplifier using this online calculator? To use this online calculator for Power Gain of Amplifier, enter Load Power (P_L) & Input Power (P_in) and hit the calculate button. Here is how the Power Gain of Amplifier calculation can be explained with given input values -> 0.883333 = 7.95/9.

FAQ

What is Power Gain of Amplifier?

The Power Gain of Amplifier formula is defined as the load power P(l) to the input power P(i), an amplifier provides the load with a power greater than that obtained from the signal source and is represented as A_p = P_L/P_in or Power Gain = 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 Power Gain of Amplifier?

The Power Gain of Amplifier formula is defined as the load power P(l) to the input power P(i), an amplifier provides the load with a power greater than that obtained from the signal source is calculated using Power Gain = Load Power/Input Power. To calculate Power Gain of Amplifier, 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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