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DC Bias Current of MOSFET using Overdrive Voltage Formula

GoInput Bias Current Formula

GoDC Bias Current of MOSFET Formula

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DC bias current is the constant current that flows through a circuit or device to establish a certain operating point or bias point. Check FAQs

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

I_b - DC Bias Current?k_n - Transconductance Parameter?V_eff - Effective Voltage?

DC Bias Current of MOSFET using Overdrive Voltage Example

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Here is how the DC Bias Current of MOSFET using Overdrive Voltage equation looks like with Values.

Here is how the DC Bias Current of MOSFET using Overdrive Voltage equation looks like with Units.

Here is how the DC Bias Current of MOSFET using Overdrive Voltage equation looks like.

15172.5 = \frac{1}{2} \cdot 10.5 \cdot {1.7}^{2}

15172.5mA = \frac{1}{2} \cdot 10.5A/V² \cdot {1.7V}^{2}

15172.5 = \frac{1}{2} \cdot 10.5 \cdot {1.7}^{2}

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DC Bias Current of MOSFET using Overdrive Voltage Solution

Follow our step by step solution on how to calculate DC Bias Current of MOSFET using Overdrive Voltage?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

I b = \frac{1}{2} \cdot 10.5A/V² \cdot {1.7V}^{2}

Next Step Prepare to Evaluate

∴

I b = \frac{1}{2} \cdot 10.5 \cdot {1.7}^{2}

Next Step Evaluate

∴

I b = 15.1725A

LAST Step Convert to Output's Unit

∴

I b = 15172.5mA

DC Bias Current of MOSFET using Overdrive Voltage Formula Elements

Variables

DC Bias Current

DC bias current is the constant current that flows through a circuit or device to establish a certain operating point or bias point.

Symbol: I_b

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find DC Bias Current

Transconductance Parameter

Transconductance parameter is a crucial parameter in electronic devices and circuits, which helps to describe and quantify the input-output relationship between voltage and current.

Symbol: k_n

Measurement: Transconductance ParameterUnit: A/V²

Note: Value can be positive or negative.

Formulas to find Transconductance Parameter

Effective Voltage

The effective voltage in a MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is the voltage that determines the behavior of the device. It is also known as the gate-source voltage.

Symbol: V_eff

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Effective Voltage

Other Formulas to find DC Bias Current

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 Bias Current in Differential Pair

I b = I d1 + I d2

Other formulas in Biasing category

Go DC Bias Output Voltage at Drain

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

Go Bias Voltage of MOSFET

V be = V bias + V de

Go Base Current of MOSFET

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

Go Collector Emitter Voltage

V ce = V cc - R c \cdot I c

How to Evaluate DC Bias Current of MOSFET using Overdrive Voltage?

DC Bias Current of MOSFET using Overdrive Voltage evaluator uses DC Bias Current = 1/2*Transconductance Parameter*Effective Voltage^2 to evaluate the DC Bias Current, The DC bias current of MOSFET using overdrive voltage by the d.c. drain current and drain-to-source voltage and it is always on the load line. It is the amount of voltage that an electronic device needs in DC Biasing condition, where an extra load is added and voltage is given at junctions as per the type of biasing. DC Bias Current is denoted by I_b symbol.

How to evaluate DC Bias Current of MOSFET using Overdrive Voltage using this online evaluator? To use this online evaluator for DC Bias Current of MOSFET using Overdrive Voltage, enter Transconductance Parameter (k_n) & Effective Voltage (V_eff) and hit the calculate button.

FAQs on DC Bias Current of MOSFET using Overdrive Voltage

What is the formula to find DC Bias Current of MOSFET using Overdrive Voltage?

The formula of DC Bias Current of MOSFET using Overdrive Voltage is expressed as DC Bias Current = 1/2*Transconductance Parameter*Effective Voltage^2. Here is an example- 1.5E+7 = 1/2*10.5*1.7^2.

How to calculate DC Bias Current of MOSFET using Overdrive Voltage?

With Transconductance Parameter (k_n) & Effective Voltage (V_eff) we can find DC Bias Current of MOSFET using Overdrive Voltage using the formula - DC Bias Current = 1/2*Transconductance Parameter*Effective Voltage^2.

What are the other ways to Calculate DC Bias Current?

Here are the different ways to Calculate DC Bias Current-

DC Bias Current=(Input Bias Current 1+Input Bias Current 2)/2
DC Bias Current=1/2*Transconductance Parameter*(Gate-Source Voltage-Threshold Voltage)^2
DC Bias Current=Drain Current 1+Drain Current 2

Can the DC Bias Current of MOSFET using Overdrive Voltage be negative?

No, the DC Bias Current of MOSFET using Overdrive Voltage, measured in Electric Current cannot be negative.

Which unit is used to measure DC Bias Current of MOSFET using Overdrive Voltage?

DC Bias Current of MOSFET using Overdrive Voltage is usually measured using the Milliampere[mA] for Electric Current. Ampere[mA], Microampere[mA], Centiampere[mA] are the few other units in which DC Bias Current of MOSFET using Overdrive Voltage can be measured.

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