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Emitter Injection Efficiency Calculator

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✖Emitter Current refers to the current flowing between the emitter and base terminals of the transistor when it's in operation.ⓘ Emitter Current [I_E]			+10% -10%
✖Emitter Current due to Electrons is the maximum possible current of majority carriers flowing into the emitter.ⓘ Emitter Current due to Electrons [I_Ee]			+10% -10%
✖Emitter Current due to Holes is the maximum possible current of minority carriers injected into the base.ⓘ Emitter Current due to Holes [I_Eh]			+10% -10%

✖Emmitter Injection Efficiency is the ratio of the electron current flowing in the emitter to the total current across the emitter base junction.ⓘ Emitter Injection Efficiency [γ]

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Emitter Injection Efficiency Solution

STEP 0: Pre-Calculation Summary

Formula Used

Emmitter Injection Efficiency = Emitter Current/(Emitter Current due to Electrons+Emitter Current due to Holes)
γ = I_E/(I_Ee+I_Eh)
This formula uses 4 Variables

Variables Used

Emmitter Injection Efficiency - Emmitter Injection Efficiency is the ratio of the electron current flowing in the emitter to the total current across the emitter base junction.
Emitter Current - (Measured in Ampere) - Emitter Current refers to the current flowing between the emitter and base terminals of the transistor when it's in operation.
Emitter Current due to Electrons - (Measured in Ampere) - Emitter Current due to Electrons is the maximum possible current of majority carriers flowing into the emitter.
Emitter Current due to Holes - (Measured in Ampere) - Emitter Current due to Holes is the maximum possible current of minority carriers injected into the base.

STEP 1: Convert Input(s) to Base Unit

Emitter Current: 0.008 Ampere --> 0.008 Ampere No Conversion Required
Emitter Current due to Electrons: 0.005 Ampere --> 0.005 Ampere No Conversion Required
Emitter Current due to Holes: 0.006 Ampere --> 0.006 Ampere No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

γ = I_E/(I_Ee+I_Eh) --> 0.008/(0.005+0.006)

Evaluating ... ...

γ = 0.727272727272727

STEP 3: Convert Result to Output's Unit

0.727272727272727 --> No Conversion Required

FINAL ANSWER

0.727272727272727 ≈ 0.727273 <-- Emmitter Injection Efficiency

(Calculation completed in 00.004 seconds)

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Created by banuprakash

Dayananda Sagar College of Engineering (DSCE), Bangalore

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Verified by Santhosh Yadav

Dayananda Sagar College Of Engineering (DSCE), Banglore

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< Bipolar IC Fabrication Calculators

Conductivity of N-Type

LaTeX Go Ohmic Conductivity = Charge*(Electron Doping Silicon Mobility*Equilibrium Concentration of N-Type+Hole Doping Silicon Mobility*(Intrinsic Concentration^2/Equilibrium Concentration of N-Type))

Ohmic Conductivity of Impurity

LaTeX Go Ohmic Conductivity = Charge*(Electron Doping Silicon Mobility*Electron Concentration+Hole Doping Silicon Mobility*Hole Concentration)

Impurity with Intrinsic Concentration

LaTeX Go Intrinsic Concentration = sqrt((Electron Concentration*Hole Concentration)/Temperature Impurity)

Breakout Voltage of Collector Emitter

LaTeX Go Collector Emitter Breakout Voltage = Collector Base Breakout Voltage/(Current Gain of BJT)^(1/Root Number)

Emitter Injection Efficiency Formula

LaTeX Go

Emmitter Injection Efficiency = Emitter Current/(Emitter Current due to Electrons+Emitter Current due to Holes)
γ = I_E/(I_Ee+I_Eh)

What is the significance of understanding γ in semiconductor devices?

Understanding γ is crucial in analyzing the behavior of semiconductor devices, especially in situations where the contribution of electrons to the emitter current is important. It aids in device characterization and optimization for specific applications.

How to Calculate Emitter Injection Efficiency?

Emitter Injection Efficiency calculator uses Emmitter Injection Efficiency = Emitter Current/(Emitter Current due to Electrons+Emitter Current due to Holes) to calculate the Emmitter Injection Efficiency, The Emitter Injection Efficiency formula is defined as ratio of the emitter current to the total current flowing into the base. Emmitter Injection Efficiency is denoted by γ symbol.

How to calculate Emitter Injection Efficiency using this online calculator? To use this online calculator for Emitter Injection Efficiency, enter Emitter Current (I_E), Emitter Current due to Electrons (I_Ee) & Emitter Current due to Holes (I_Eh) and hit the calculate button. Here is how the Emitter Injection Efficiency calculation can be explained with given input values -> 0.727273 = 0.008/(0.005+0.006).

FAQ

What is Emitter Injection Efficiency?

The Emitter Injection Efficiency formula is defined as ratio of the emitter current to the total current flowing into the base and is represented as γ = I_E/(I_Ee+I_Eh) or Emmitter Injection Efficiency = Emitter Current/(Emitter Current due to Electrons+Emitter Current due to Holes). Emitter Current refers to the current flowing between the emitter and base terminals of the transistor when it's in operation, Emitter Current due to Electrons is the maximum possible current of majority carriers flowing into the emitter & Emitter Current due to Holes is the maximum possible current of minority carriers injected into the base.

How to calculate Emitter Injection Efficiency?

The Emitter Injection Efficiency formula is defined as ratio of the emitter current to the total current flowing into the base is calculated using Emmitter Injection Efficiency = Emitter Current/(Emitter Current due to Electrons+Emitter Current due to Holes). To calculate Emitter Injection Efficiency, you need Emitter Current (I_E), Emitter Current due to Electrons (I_Ee) & Emitter Current due to Holes (I_Eh). With our tool, you need to enter the respective value for Emitter Current, Emitter Current due to Electrons & Emitter Current due to Holes and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Emmitter Injection Efficiency?

In this formula, Emmitter Injection Efficiency uses Emitter Current, Emitter Current due to Electrons & Emitter Current due to Holes. We can use 1 other way(s) to calculate the same, which is/are as follows -

Emmitter Injection Efficiency = Doping on N-side/(Doping on N-side+Doping on P-side)

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