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Second Collector Current of BJT Differential Amplifier Formula

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Second Collector Current is the current in collector of first of two transistors in a large signal operation configuration. Check FAQs

i C2 = \frac{α \cdot i}{1 + e^{\frac{V id}{V th}}}

i_C2 - Second Collector Current?α - Common Base Current Gain?i - Current?V_id - Differential Input Voltage?V_th - Threshold Voltage?

Second Collector Current of BJT Differential Amplifier Example

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Here is how the Second Collector Current of BJT Differential Amplifier equation looks like with Values.

Here is how the Second Collector Current of BJT Differential Amplifier equation looks like with Units.

Here is how the Second Collector Current of BJT Differential Amplifier equation looks like.

0.0208 = \frac{1.7 \cdot 550}{1 + e^{\frac{7.5}{0.7}}}

0.0208mA = \frac{1.7 \cdot 550mA}{1 + e^{\frac{7.5V}{0.7V}}}

0.0208 = \frac{1.7 \cdot 550}{1 + e^{\frac{7.5}{0.7}}}

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Second Collector Current of BJT Differential Amplifier Solution

Follow our step by step solution on how to calculate Second Collector Current of BJT Differential Amplifier?

FIRST Step Consider the formula

i C2 = \frac{α \cdot i}{1 + e^{\frac{V id}{V th}}}

Next Step Substitute values of Variables

∴

i C2 = \frac{1.7 \cdot 550mA}{1 + e^{\frac{7.5V}{0.7V}}}

Next Step Convert Units

∴

i C2 = \frac{1.7 \cdot 0.55A}{1 + e^{\frac{7.5V}{0.7V}}}

Next Step Prepare to Evaluate

∴

i C2 = \frac{1.7 \cdot 0.55}{1 + e^{\frac{7.5}{0.7}}}

Next Step Evaluate

∴

i C2 = 2.07800599172224E-05A

Next Step Convert to Output's Unit

∴

i C2 = 0.0207800599172224mA

LAST Step Rounding Answer

∴

i C2 = 0.0208mA

Second Collector Current of BJT Differential Amplifier Formula Elements

Variables

Second Collector Current

Second Collector Current is the current in collector of first of two transistors in a large signal operation configuration.

Symbol: i_C2

Measurement: Electric CurrentUnit: mA

Note: Value can be positive or negative.

Formulas to find Second Collector Current

Common Base Current Gain

Common Base Current Gain is defined as the change in collector current divided by the change in emitter current when the base-to-collector voltage is constant.

Symbol: α

Measurement: NAUnit: Unitless

Note: Value should be greater than 1.

Formulas to find Common Base Current Gain

Current

Current is the rate of flow of charge through a conducting material.

Symbol: i

Measurement: Electric CurrentUnit: mA

Note: Value can be positive or negative.

Formulas to find Current

Differential Input Voltage

Differential Input Voltage is defined as signal input circuit where SIGNAL LO and SIGNAL HI are electrically floating with respect to ANALOG GROUND.

Symbol: V_id

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Differential Input Voltage

Threshold Voltage

Threshold Voltage is defined as the minimum amount of voltage required by the transistor to turn on.

Symbol: V_th

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Threshold Voltage

Other formulas in Current and Voltage category

Go Maximum Input Common-Mode Range Voltage of BJT Differential Amplifier

V cm = V i + (α \cdot 0.5 \cdot i \cdot R C)

Go First Emitter Current of BJT Differential Amplifier

i E1 = \frac{i}{1 + e^{\frac{- V id}{V th}}}

Go First Collector Current of BJT Differential Amplifier

i C1 = \frac{α \cdot i}{1 + e^{\frac{- V id}{V th}}}

Go Collector Current of BJT Differential Amplifier given Emitter Current

i c = α \cdot i E

How to Evaluate Second Collector Current of BJT Differential Amplifier?

Second Collector Current of BJT Differential Amplifier evaluator uses Second Collector Current = (Common Base Current Gain*Current)/(1+e^(Differential Input Voltage/Threshold Voltage)) to evaluate the Second Collector Current, The Second collector current of BJT differential amplifier formula is defined as the collector current of the second transistor in the amplifier circuit. It plays a role in amplifying the voltage difference between two input signals. Second Collector Current is denoted by i_C2 symbol.

How to evaluate Second Collector Current of BJT Differential Amplifier using this online evaluator? To use this online evaluator for Second Collector Current of BJT Differential Amplifier, enter Common Base Current Gain (α), Current (i), Differential Input Voltage (V_id) & Threshold Voltage (V_th) and hit the calculate button.

FAQs on Second Collector Current of BJT Differential Amplifier

What is the formula to find Second Collector Current of BJT Differential Amplifier?

The formula of Second Collector Current of BJT Differential Amplifier is expressed as Second Collector Current = (Common Base Current Gain*Current)/(1+e^(Differential Input Voltage/Threshold Voltage)). Here is an example- 20.78006 = (1.7*550)/(1+e^(7.5/0.7)).

How to calculate Second Collector Current of BJT Differential Amplifier?

With Common Base Current Gain (α), Current (i), Differential Input Voltage (V_id) & Threshold Voltage (V_th) we can find Second Collector Current of BJT Differential Amplifier using the formula - Second Collector Current = (Common Base Current Gain*Current)/(1+e^(Differential Input Voltage/Threshold Voltage)).

Can the Second Collector Current of BJT Differential Amplifier be negative?

Yes, the Second Collector Current of BJT Differential Amplifier, measured in Electric Current can be negative.

Which unit is used to measure Second Collector Current of BJT Differential Amplifier?

Second Collector Current of BJT Differential Amplifier is usually measured using the Milliampere[mA] for Electric Current. Ampere[mA], Microampere[mA], Centiampere[mA] are the few other units in which Second Collector Current of BJT Differential Amplifier can be measured.

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Second Collector Current of BJT Differential Amplifier Formula

Second Collector Current of BJT Differential Amplifier Example

Second Collector Current of BJT Differential Amplifier Solution

Second Collector Current of BJT Differential Amplifier Formula Elements

Other formulas in Current and Voltage category

How to Evaluate Second Collector Current of BJT Differential Amplifier?

FAQs on Second Collector Current of BJT Differential Amplifier

Variable Name