Reference Current of BJT Mirror given Collector Current Calculator

✖Collector current is an amplified output current of a bipolar junction transistor.ⓘ Collector Current [I_c]			+10% -10%
✖Common emitter current gain is influenced by 2 factors: width of base region W, and relative dopings of base region and emitter region. Its range varies from 50-200.ⓘ Common Emitter Current Gain [β]			+10% -10%

✖A Reference Current is just a stable source of current that does not fluctuate over temperature, supply voltages or loads.ⓘ Reference Current of BJT Mirror given Collector Current [I_ref]

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Reference Current of BJT Mirror given Collector Current

Formula

`"I"_{"ref"} = "I"_{"c"}*(1+2/"β")`

Example

`"5.153846mA"="5mA"*(1+2/"65")`

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Reference Current of BJT Mirror given Collector Current Solution

STEP 0: Pre-Calculation Summary

Formula Used

Reference Current = Collector Current*(1+2/Common Emitter Current Gain)
I_ref = I_c*(1+2/β)
This formula uses 3 Variables

Variables Used

Reference Current - (Measured in Ampere) - A Reference Current is just a stable source of current that does not fluctuate over temperature, supply voltages or loads.
Collector Current - (Measured in Ampere) - Collector current is an amplified output current of a bipolar junction transistor.
Common Emitter Current Gain - Common emitter current gain is influenced by 2 factors: width of base region W, and relative dopings of base region and emitter region. Its range varies from 50-200.

STEP 1: Convert Input(s) to Base Unit

Collector Current: 5 Milliampere --> 0.005 Ampere (Check conversion here)
Common Emitter Current Gain: 65 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I_ref = I_c*(1+2/β) --> 0.005*(1+2/65)

Evaluating ... ...

I_ref = 0.00515384615384615

STEP 3: Convert Result to Output's Unit

0.00515384615384615 Ampere -->5.15384615384615 Milliampere (Check conversion here)

FINAL ANSWER

5.15384615384615 ≈ 5.153846 Milliampere <-- Reference Current

(Calculation completed in 00.004 seconds)

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Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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Vishwakarma Government Engineering College (VGEC), Ahmedabad

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< 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

Reference Current of BJT Mirror given Collector Current Formula

Reference Current = Collector Current*(1+2/Common Emitter Current Gain)
I_ref = I_c*(1+2/β)

What is meant by IC?

Integrated circuit (IC), also called microelectronic circuit, microchip, or chip, an assembly of electronic components, fabricated as a single unit, in which miniaturized active devices (e.g., transistors and diodes) and passive devices (e.g., capacitors and resistors).

How to Calculate Reference Current of BJT Mirror given Collector Current?

Reference Current of BJT Mirror given Collector Current calculator uses Reference Current = Collector Current*(1+2/Common Emitter Current Gain) to calculate the Reference Current, The Reference current of BJT Mirror given collector current formula is defined as a stable source of current that does not fluctuate over temperature, supply voltages, or loads. Reference Current is denoted by I_ref symbol.

How to calculate Reference Current of BJT Mirror given Collector Current using this online calculator? To use this online calculator for Reference Current of BJT Mirror given Collector Current, enter Collector Current (I_c) & Common Emitter Current Gain (β) and hit the calculate button. Here is how the Reference Current of BJT Mirror given Collector Current calculation can be explained with given input values -> 5153.846 = 0.005*(1+2/65).

FAQ

What is Reference Current of BJT Mirror given Collector Current?

The Reference current of BJT Mirror given collector current formula is defined as a stable source of current that does not fluctuate over temperature, supply voltages, or loads and is represented as I_ref = I_c*(1+2/β) or Reference Current = Collector Current*(1+2/Common Emitter Current Gain). Collector current is an amplified output current of a bipolar junction transistor & Common emitter current gain is influenced by 2 factors: width of base region W, and relative dopings of base region and emitter region. Its range varies from 50-200.

How to calculate Reference Current of BJT Mirror given Collector Current?

The Reference current of BJT Mirror given collector current formula is defined as a stable source of current that does not fluctuate over temperature, supply voltages, or loads is calculated using Reference Current = Collector Current*(1+2/Common Emitter Current Gain). To calculate Reference Current of BJT Mirror given Collector Current, you need Collector Current (I_c) & Common Emitter Current Gain (β). With our tool, you need to enter the respective value for Collector Current & Common Emitter Current Gain 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 Reference Current?

In this formula, Reference Current uses Collector Current & Common Emitter Current Gain. We can use 2 other way(s) to calculate the same, which is/are as follows -

Reference Current = (Supply Voltage-Base-Emitter Voltage)/Resistance
Reference Current = Collector Current+(2*Collector Current)/Common Emitter Current Gain

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