Output Current Solution

STEP 0: Pre-Calculation Summary
Formula Used
Output Current given Reference Current = Reference Current*(Current in Transistor 2/Current in Transistor 1)
Iout = Iref*(It2/It1)
This formula uses 4 Variables
Variables Used
Output Current given Reference Current - (Measured in Ampere) - Output Current given Reference Current is calculated based on the current value obtained in the BJT current mirror.
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.
Current in Transistor 2 - (Measured in Ampere) - Current in transistor 2 is the scale current flowing through the transistor Q2 of a BJT current mirror.
Current in Transistor 1 - (Measured in Ampere) - Current in transistor 1 is the scale current flowing through the transistor Q1 of a BJT current mirror.
STEP 1: Convert Input(s) to Base Unit
Reference Current: 7.6 Milliampere --> 0.0076 Ampere (Check conversion here)
Current in Transistor 2: 4.25 Milliampere --> 0.00425 Ampere (Check conversion here)
Current in Transistor 1: 1.1 Milliampere --> 0.0011 Ampere (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Iout = Iref*(It2/It1) --> 0.0076*(0.00425/0.0011)
Evaluating ... ...
Iout = 0.0293636363636364
STEP 3: Convert Result to Output's Unit
0.0293636363636364 Ampere -->29.3636363636364 Milliampere (Check conversion here)
FINAL ANSWER
29.3636363636364 29.36364 Milliampere <-- Output Current given 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 Anshika Arya
National Institute Of Technology (NIT), Hamirpur
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10+ IC Amplifiers Calculators

Output Resistance of Widlar Current Source
Go Output Resistance of Widlar Current Source = (1+Transconductance)*((1/Emitter Resistance)+(1/Small-Signal Input Resistance b/w Base-Emitter))*Finite Output Resistance
Emitter Resistance in Widlar Current Source
Go Emitter Resistance = (Threshold Voltage/Output Current)*log10(Reference Current/Output Current)
Output Current
Go Output Current given Reference Current = Reference Current*(Current in Transistor 2/Current in Transistor 1)
Output Resistance of Wilson MOS Mirror
Go Output Resistance = (Transconductance 3*Finite Output Resistance 3)*Finite Output Resistance 2
Output Resistance of Wilson Current Mirror
Go Output Resistance of Wilson Current Mirror = (Transistor Current Gain 1*Finite Output Resistance 3)/2
Reference Current of IC Amplifier
Go Reference Current = Output Current*(Aspect Ratio/Aspect Ratio 1)
Output Current of Wilson Current Mirror
Go Output Current = Reference Current*(1/(1+(2/Transistor Current Gain^2)))
Finite Output Resistance of IC Amplifier
Go Finite Output Resistance = Change in Output Voltage/Change in Current
Reference Current of Wilson Current Mirror
Go Reference Current = (1+2/Transistor Current Gain^2)*Output Current
Intrinsic Gain of IC Amplifier
Go Intrinsic Gain = 2*Early Voltage/Overdrive Voltage

Output Current Formula

Output Current given Reference Current = Reference Current*(Current in Transistor 2/Current in Transistor 1)
Iout = Iref*(It2/It1)

How does a IC work?

An integrated circuit, or IC, is a small chip that can function as an amplifier, oscillator, timer, microprocessor, or even computer memory. An IC is a small wafer, usually made of silicon, that can hold anywhere from hundreds to millions of transistors, resistors, and capacitors.

How to Calculate Output Current?

Output Current calculator uses Output Current given Reference Current = Reference Current*(Current in Transistor 2/Current in Transistor 1) to calculate the Output Current given Reference Current, Output Current formula is defined as the ratio of the collector current at the output side Ic to the input current passed to the LED at the input side IF expressed as a percentage. Output Current given Reference Current is denoted by Iout symbol.

How to calculate Output Current using this online calculator? To use this online calculator for Output Current, enter Reference Current (Iref), Current in Transistor 2 (It2) & Current in Transistor 1 (It1) and hit the calculate button. Here is how the Output Current calculation can be explained with given input values -> 29363.64 = 0.0076*(0.00425/0.0011).

FAQ

What is Output Current?
Output Current formula is defined as the ratio of the collector current at the output side Ic to the input current passed to the LED at the input side IF expressed as a percentage and is represented as Iout = Iref*(It2/It1) or Output Current given Reference Current = Reference Current*(Current in Transistor 2/Current in Transistor 1). A reference current is just a stable source of current that does not fluctuate over temperature, supply voltages or loads, Current in transistor 2 is the scale current flowing through the transistor Q2 of a BJT current mirror & Current in transistor 1 is the scale current flowing through the transistor Q1 of a BJT current mirror.
How to calculate Output Current?
Output Current formula is defined as the ratio of the collector current at the output side Ic to the input current passed to the LED at the input side IF expressed as a percentage is calculated using Output Current given Reference Current = Reference Current*(Current in Transistor 2/Current in Transistor 1). To calculate Output Current, you need Reference Current (Iref), Current in Transistor 2 (It2) & Current in Transistor 1 (It1). With our tool, you need to enter the respective value for Reference Current, Current in Transistor 2 & Current in Transistor 1 and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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