FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Input Biasing Current of Mosfet Formula

GoBase Current of MOSFET Formula

Fx Copy

LaTeX Copy

Input Biasing current is the current that flows into an electrical device. It is measured in amperes (A). Check FAQs

I base = \frac{V ee - V be}{R b + (β dc + 1) \cdot R e}

I _base - Input Biasing Current?V_ee - Negative Supply Voltage?V_be - Base Emitter Voltage?R_b - Base Resistance?β_dc - Current Gain?R_e - Emitter Resistance?

Input Biasing Current of Mosfet Example

With values

With units

Only example

Here is how the Input Biasing Current of Mosfet equation looks like with Values.

Here is how the Input Biasing Current of Mosfet equation looks like with Units.

Here is how the Input Biasing Current of Mosfet equation looks like.

0.0362 = \frac{12.25 - 10}{56 + (1.21 + 1) \cdot 2.8}

0.0362mA = \frac{12.25V - 10V}{56kΩ + (1.21 + 1) \cdot 2.8kΩ}

0.0362 = \frac{12.25 - 10}{56 + (1.21 + 1) \cdot 2.8}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Electronics » Category

Analog Electronics » fx Input Biasing Current of Mosfet

Input Biasing Current of Mosfet Solution

Follow our step by step solution on how to calculate Input Biasing Current of Mosfet?

FIRST Step Consider the formula

I base = \frac{V ee - V be}{R b + (β dc + 1) \cdot R e}

Next Step Substitute values of Variables

∴

I base = \frac{12.25V - 10V}{56kΩ + (1.21 + 1) \cdot 2.8kΩ}

Next Step Convert Units

∴

I base = \frac{12.25V - 10V}{56000Ω + (1.21 + 1) \cdot 2800Ω}

Next Step Prepare to Evaluate

∴

I base = \frac{12.25 - 10}{56000 + (1.21 + 1) \cdot 2800}

Next Step Evaluate

∴

I base = 3.61806136232071E-05A

Next Step Convert to Output's Unit

∴

I base = 0.036180613623207mA

LAST Step Rounding Answer

∴

I base = 0.0362mA

Input Biasing Current of Mosfet Formula Elements

Variables

Input Biasing Current

Input Biasing current is the current that flows into an electrical device. It is measured in amperes (A).

Symbol: I _base

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find Input Biasing Current

Negative Supply Voltage

Negative Supply Voltage is a voltage that is lower than the ground reference voltage in a circuit.

Symbol: V_ee

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Negative Supply Voltage

Base Emitter Voltage

Base Emitter Voltage is the voltage drop across the base-emitter junction of a bipolar junction transistor when it is forward biased.

Symbol: V_be

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Base Emitter Voltage

Base Resistance

The Base Resistance in a MOSFET circuit is used to limit the amount of current that flows through the base of the MOSFET.

Symbol: R_b

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Base Resistance

Current Gain

Current Gain is the DC current gain of a bipolar junction transistor operating in the forward active mode.

Symbol: β_dc

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Current Gain

Emitter Resistance

Emitter Resistance of a bipolar junction transistor is a resistor that is connected between the emitter terminal of the transistor and the ground or power supply rail.

Symbol: R_e

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Emitter Resistance

Other Formulas to find Input Biasing Current

Go Base Current of MOSFET

I base = \frac{V bb - V be}{R b}

Other formulas in Biasing category

Go DC Bias Current of MOSFET using Overdrive Voltage

I b = \frac{1}{2} \cdot k n \cdot {V eff}^{2}

Go Input Bias Current

I b = \frac{I b1 + I b2}{2}

Go DC Bias Current of MOSFET

I b = \frac{1}{2} \cdot k n \cdot {(V gs - V th)}^{2}

Go DC Bias Output Voltage at Drain

V out = V dd - R L \cdot I b

How to Evaluate Input Biasing Current of Mosfet?

Input Biasing Current of Mosfet evaluator uses Input Biasing Current = (Negative Supply Voltage-Base Emitter Voltage)/(Base Resistance+(Current Gain+1)*Emitter Resistance) to evaluate the Input Biasing Current, The Input Biasing Current of Mosfet formula is defined as the current that flows into the gate terminal of the MOSFET in order to operate it. Input Biasing Current is denoted by I _base symbol.

How to evaluate Input Biasing Current of Mosfet using this online evaluator? To use this online evaluator for Input Biasing Current of Mosfet, enter Negative Supply Voltage (V_ee), Base Emitter Voltage (V_be), Base Resistance (R_b), Current Gain (β_dc) & Emitter Resistance (R_e) and hit the calculate button.

FAQs on Input Biasing Current of Mosfet

What is the formula to find Input Biasing Current of Mosfet?

The formula of Input Biasing Current of Mosfet is expressed as Input Biasing Current = (Negative Supply Voltage-Base Emitter Voltage)/(Base Resistance+(Current Gain+1)*Emitter Resistance). Here is an example- -156.782659 = (12.25-10)/(56000+(1.21+1)*2800).

How to calculate Input Biasing Current of Mosfet?

With Negative Supply Voltage (V_ee), Base Emitter Voltage (V_be), Base Resistance (R_b), Current Gain (β_dc) & Emitter Resistance (R_e) we can find Input Biasing Current of Mosfet using the formula - Input Biasing Current = (Negative Supply Voltage-Base Emitter Voltage)/(Base Resistance+(Current Gain+1)*Emitter Resistance).

What are the other ways to Calculate Input Biasing Current?

Here are the different ways to Calculate Input Biasing Current-

Input Biasing Current=(Bias Voltage-Base Emitter Voltage)/Base Resistance

Can the Input Biasing Current of Mosfet be negative?

No, the Input Biasing Current of Mosfet, measured in Electric Current cannot be negative.

Which unit is used to measure Input Biasing Current of Mosfet?

Input Biasing Current of Mosfet is usually measured using the Milliampere[mA] for Electric Current. Ampere[mA], Microampere[mA], Centiampere[mA] are the few other units in which Input Biasing Current of Mosfet can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

Input Biasing Current of Mosfet Formula

​GoBase Current of MOSFET Formula

Input Biasing Current of Mosfet Example

Input Biasing Current of Mosfet Solution

Input Biasing Current of Mosfet Formula Elements

Other Formulas to find Input Biasing Current

Other formulas in Biasing category

How to Evaluate Input Biasing Current of Mosfet?

FAQs on Input Biasing Current of Mosfet

Variable Name

GoBase Current of MOSFET Formula