Total Base Current Calculator

✖Base Current 1 is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.ⓘ Base Current 1 [I_B1]			+10% -10%
✖Base Current 2 is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.ⓘ Base Current 2 [I_B2]			+10% -10%

✖Base Current is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.ⓘ Total Base Current [I_B]

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Formula

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Total Base Current

Formula

`"I"_{"B"} = "I"_{"B1"}+"I"_{"B2"}`

Example

`"7.67mA"="4.22mA"+"3.45mA"`

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Total Base Current Solution

STEP 0: Pre-Calculation Summary

Formula Used

Base Current = Base Current 1+Base Current 2
I_B = I_B1+I_B2
This formula uses 3 Variables

Variables Used

Base Current - (Measured in Ampere) - Base Current is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.
Base Current 1 - (Measured in Ampere) - Base Current 1 is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.
Base Current 2 - (Measured in Ampere) - Base Current 2 is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.

STEP 1: Convert Input(s) to Base Unit

Base Current 1: 4.22 Milliampere --> 0.00422 Ampere (Check conversion here)
Base Current 2: 3.45 Milliampere --> 0.00345 Ampere (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I_B = I_B1+I_B2 --> 0.00422+0.00345

Evaluating ... ...

I_B = 0.00767

STEP 3: Convert Result to Output's Unit

0.00767 Ampere -->7.67 Milliampere (Check conversion here)

FINAL ANSWER

7.67 Milliampere <-- Base Current

(Calculation completed in 00.004 seconds)

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Credits

Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

Payal Priya has created this Calculator and 600+ more calculators!

Verified by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

Urvi Rathod has verified this Calculator and 1900+ more calculators!

< 14 Base Current Calculators

Base Current using Saturation Current in DC

Go Base Current = (Saturation Current/Common Emitter Current Gain)*e^(Base-Collector Voltage/Thermal Voltage)+Saturation Vapour Pressure*e^(Base-Collector Voltage/Thermal Voltage)

Saturation Current using Doping Concentration

Go Saturation Current = (Cross-section Area of Base-Emitter Junction*[Charge-e]*Electron Diffusivity*(Intrinsic Carrier Concentration)^2)/(Width of Base Junction*Doping Concentration of Base)

Short Circuit Current Gain of BJT

Go Short-Circuit Current Gain = (Common-Emitter Current Gain at Low Frequency)/(1+Complex Frequency Variable*(Emitter-Base Capacitance+Collector-Base Junction Capacitance)*Input Resistance)

Drain Current given Device Parameter

Go Drain Current = 1/2*Transconductance*Aspect Ratio*(Effective Voltage-Threshold Voltage)^2*(1+Device Parameter*Voltage between Drain and Source)

Base Current 2 of BJT

Go Base Current = (Saturation Current/Common Emitter Current Gain)*(e^(Base-Emitter Voltage/Thermal Voltage))

Base Current of PNP Transistor using Saturation Current

Go Base Current = (Saturation Current/Common Emitter Current Gain)*e^(Base-Emitter Voltage/Thermal Voltage)

Reference Current of BJT Mirror

Go Reference Current = Collector Current+(2*Collector Current)/Common Emitter Current Gain

Reference Current of BJT Current Mirror

Go Reference Current = (Supply Voltage-Base-Emitter Voltage)/Resistance

Reference Current of BJT Mirror given Collector Current

Go Reference Current = Collector Current*(1+2/Common Emitter Current Gain)

Base Current of PNP Transistor given Emitter Current

Go Base Current = Emitter Current/(Common Emitter Current Gain+1)

Base Current of PNP Transistor using Collector Current

Go Base Current = Collector Current/Common Emitter Current Gain

Base Current 1 of BJT

Go Base Current = Collector Current/Common Emitter Current Gain

Base Current of PNP Transistor using Common-Base Current Gain

Go Base Current = (1-Common-Base Current Gain)*Emitter Current

Total Base Current

Go Base Current = Base Current 1+Base Current 2

Total Base Current Formula

Base Current = Base Current 1+Base Current 2
I_B = I_B1+I_B2

Why is the base current in a transistor very small?

The base collected junction a transistor is reverse biased. ... Hence more than 98% of emitter current reaches the collector. A very small amount of charge carriers do not reach the collector and flows into the base circuit constituting base current ( less than 2%).

How to Calculate Total Base Current?

Total Base Current calculator uses Base Current = Base Current 1+Base Current 2 to calculate the Base Current, The Total base current a common-base (also known as grounded-base) amplifier is one of three basic single-stage bipolar junction transistor (BJT) amplifier topologies, typically used as a current buffer or voltage amplifier. Base Current is denoted by I_B symbol.

How to calculate Total Base Current using this online calculator? To use this online calculator for Total Base Current, enter Base Current 1 (I_B1) & Base Current 2 (I_B2) and hit the calculate button. Here is how the Total Base Current calculation can be explained with given input values -> 7670 = 0.00422+0.00345.

FAQ

What is Total Base Current?

The Total base current a common-base (also known as grounded-base) amplifier is one of three basic single-stage bipolar junction transistor (BJT) amplifier topologies, typically used as a current buffer or voltage amplifier and is represented as I_B = I_B1+I_B2 or Base Current = Base Current 1+Base Current 2. Base Current 1 is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on & Base Current 2 is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.

How to calculate Total Base Current?

The Total base current a common-base (also known as grounded-base) amplifier is one of three basic single-stage bipolar junction transistor (BJT) amplifier topologies, typically used as a current buffer or voltage amplifier is calculated using Base Current = Base Current 1+Base Current 2. To calculate Total Base Current, you need Base Current 1 (I_B1) & Base Current 2 (I_B2). With our tool, you need to enter the respective value for Base Current 1 & Base Current 2 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 Base Current?

In this formula, Base Current uses Base Current 1 & Base Current 2. We can use 7 other way(s) to calculate the same, which is/are as follows -

Base Current = Collector Current/Common Emitter Current Gain
Base Current = (Saturation Current/Common Emitter Current Gain)*(e^(Base-Emitter Voltage/Thermal Voltage))
Base Current = (Saturation Current/Common Emitter Current Gain)*e^(Base-Collector Voltage/Thermal Voltage)+Saturation Vapour Pressure*e^(Base-Collector Voltage/Thermal Voltage)
Base Current = Collector Current/Common Emitter Current Gain
Base Current = (Saturation Current/Common Emitter Current Gain)*e^(Base-Emitter Voltage/Thermal Voltage)
Base Current = (1-Common-Base Current Gain)*Emitter Current
Base Current = Emitter Current/(Common Emitter Current Gain+1)

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