Current Gain of Amplifier Calculator

✖The Output Current of the amplifier is defined as the maximum current that can be supplied to the load.ⓘ Output Current [I_o]			+10% -10%
✖Input Current is defined as any closed-loop configuration in which the error signal used for feedback is in the form of a current.ⓘ Input Current [i_in]			+10% -10%

✖Current Gain is the ratio of output current to the input current of an amplifier is defined as current gain.ⓘ Current Gain of Amplifier [A_i]

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Formula

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Current Gain of Amplifier

Formula

`"A"_{"i"} = "I"_{"o"}/"i"_{"in"}`

Example

`"1.178832"="3.23mA"/"2.74mA"`

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Current Gain of Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Current Gain = Output Current/Input Current
A_i = I_o/i_in
This formula uses 3 Variables

Variables Used

Current Gain - Current Gain is the ratio of output current to the input current of an amplifier is defined as current gain.
Output Current - (Measured in Ampere) - The Output Current of the amplifier is defined as the maximum current that can be supplied to the load.
Input Current - (Measured in Ampere) - Input Current is defined as any closed-loop configuration in which the error signal used for feedback is in the form of a current.

STEP 1: Convert Input(s) to Base Unit

Output Current: 3.23 Milliampere --> 0.00323 Ampere (Check conversion here)
Input Current: 2.74 Milliampere --> 0.00274 Ampere (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

A_i = I_o/i_in --> 0.00323/0.00274

Evaluating ... ...

A_i = 1.17883211678832

STEP 3: Convert Result to Output's Unit

1.17883211678832 --> No Conversion Required

FINAL ANSWER

1.17883211678832 ≈ 1.178832 <-- Current Gain

(Calculation completed in 00.004 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

Current Gain of Amplifier Formula

Current Gain = Output Current/Input Current
A_i = I_o/i_in

What are the applications of calculating Current Gain ?

Calculating current gain in an amplifier is essential for evaluating the amplifier's performance and selecting the appropriate component.Applications of calculating current gain includes - Determining the amplifier's ability to handle high input currents, evaluating the amplifier's output impedance and power supply requirements and selecting the appropriate amplifier for a particular application.

How to Calculate Current Gain of Amplifier?

Current Gain of Amplifier calculator uses Current Gain = Output Current/Input Current to calculate the Current Gain, The Current Gain of Amplifier formula is defined as the ratio of output current to the input current of an amplifier. Current Gain is denoted by A_i symbol.

How to calculate Current Gain of Amplifier using this online calculator? To use this online calculator for Current Gain of Amplifier, enter Output Current (I_o) & Input Current (i_in) and hit the calculate button. Here is how the Current Gain of Amplifier calculation can be explained with given input values -> 1.178832 = 0.00323/0.00274.

FAQ

What is Current Gain of Amplifier?

The Current Gain of Amplifier formula is defined as the ratio of output current to the input current of an amplifier and is represented as A_i = I_o/i_in or Current Gain = Output Current/Input Current. The Output Current of the amplifier is defined as the maximum current that can be supplied to the load & Input Current is defined as any closed-loop configuration in which the error signal used for feedback is in the form of a current.

How to calculate Current Gain of Amplifier?

The Current Gain of Amplifier formula is defined as the ratio of output current to the input current of an amplifier is calculated using Current Gain = Output Current/Input Current. To calculate Current Gain of Amplifier, you need Output Current (I_o) & Input Current (i_in). With our tool, you need to enter the respective value for Output Current & Input Current 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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