Reference Current of BJT Mirror 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 [I_ref]

⎘ Copy

👎

Formula

LaTeX

Reset

👍

Download BJT Formula PDF PDF Image

Reference Current of BJT Mirror Solution

STEP 0: Pre-Calculation Summary

Formula Used

Reference Current = Collector Current+(2*Collector Current)/Common Emitter Current Gain
I_ref = I_c+(2*I_c)/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+(2*I_c)/β --> 0.005+(2*0.005)/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)

You are here -

Home » Engineering » Electronics » BJT » Analog Electronics » Current » Base Current » Reference Current of BJT Mirror

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!

< Base Current Calculators

Base Current using Saturation Current in DC

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

Drain Current given Device Parameter

LaTeX 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

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

Base Current 1 of BJT

LaTeX Go Base Current = Collector Current/Common Emitter Current Gain

< BJT Circuit Calculators

Total Power Dissipated in BJT

LaTeX Go Power = Collector-Emitter Voltage*Collector Current+Base-Emitter Voltage*Base Current

Common Mode Rejection Ratio

LaTeX Go Common Mode Rejection Ratio = 20*log10(Differential Mode Gain/Common Mode Gain)

Common-Base Current Gain

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

Intrinsic Gain of BJT

LaTeX Go Intrinsic Gain = Early Voltage/Thermal Voltage

Reference Current of BJT Mirror Formula

LaTeX Go

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

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

FAQ

What is Reference Current of BJT Mirror?

The reference current of BJT Mirror is just a stable source of current that does not fluctuate over temperature, supply voltages, or loads and is represented as I_ref = I_c+(2*I_c)/β or Reference Current = Collector Current+(2*Collector Current)/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?

The reference current of BJT Mirror is just a stable source of current that does not fluctuate over temperature, supply voltages, or loads is calculated using Reference Current = Collector Current+(2*Collector Current)/Common Emitter Current Gain. To calculate Reference Current of BJT Mirror, 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*(1+2/Common Emitter Current Gain)

Home

FREE PDFs

🔍 Search