Reference Current of BJT Mirror Solution

STEP 0: Pre-Calculation Summary
Formula Used
Reference Current = Collector Current+(2*Collector Current)/Common Emitter Current Gain
Iref = Ic+(2*Ic)/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
Iref = Ic+(2*Ic)/β --> 0.005+(2*0.005)/65
Evaluating ... ...
Iref = 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)

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

20 BJT Circuit Calculators

Transition Frequency of BJT
Go Transition Frequency = Transconductance/(2*pi*(Emitter-Base Capacitance+Collector-Base Junction Capacitance))
Base Current of PNP Transistor using Saturation Current
Go Base Current = (Saturation Current/Common Emitter Current Gain)*e^(Base-Emitter Voltage/Thermal Voltage)
Total Power Dissipated in BJT
Go Power = Collector-Emitter Voltage*Collector Current+Base-Emitter Voltage*Base Current
Unity-Gain Bandwidth of BJT
Go Unity-Gain Bandwidth = Transconductance/(Emitter-Base Capacitance+Collector-Base Junction Capacitance)
Reference Current of BJT Mirror
Go Reference Current = Collector Current+(2*Collector Current)/Common Emitter Current Gain
Common Mode Rejection Ratio
Go Common Mode Rejection Ratio = 20*log10(Differential Mode Gain/Common Mode Gain)
Output Resistance of BJT
Go Resistance = (Supply Voltage+Collector-Emitter Voltage)/Collector Current
Thermal Equilibrium Concentration of Minority Charge Carrier
Go Thermal Equilibrium Concentration = ((Intrinsic Carrier Density)^2)/Doping Concentration of Base
Output Voltage of BJT Amplifier
Go Output Voltage = Supply Voltage-Drain Current*Load Resistance
Total Power Supplied in BJT
Go Power = Supply Voltage*(Collector Current+Input Current)
Common-Base Current Gain
Go Common-Base Current Gain = Common Emitter Current Gain/(Common Emitter Current Gain+1)
Collector to Emitter Voltage at Saturation
Go Collector-Emitter Voltage = Base-Emitter Voltage-Base-Collector Voltage
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
Collector Current using Emitter Current
Go Collector Current = Common-Base Current Gain*Emitter Current
Base Current of PNP Transistor using Common-Base Current Gain
Go Base Current = (1-Common-Base Current Gain)*Emitter Current
Collector Current of BJT
Go Collector Current = Emitter Current-Base Current
Emitter Current of BJT
Go Emitter Current = Collector Current+Base Current
Short-Circuit Transconductance
Go Transconductance = Output Current/Input Voltage
Intrinsic Gain of BJT
Go Intrinsic Gain = Early Voltage/Thermal Voltage

Reference Current of BJT Mirror Formula

Reference Current = Collector Current+(2*Collector Current)/Common Emitter Current Gain
Iref = Ic+(2*Ic)/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 Iref 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 (Ic) & 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 Iref = Ic+(2*Ic)/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 (Ic) & 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)
Let Others Know
Facebook
Twitter
Reddit
LinkedIn
Email
WhatsApp
Copied!