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Width of Gate Formula

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Gate Width refers to the distance between the edge of a metal gate electrode and the adjacent semiconductor material in a CMOS. Check FAQs

W g = \frac{C in}{C ox \cdot L g}

W_g - Gate Width?C_in - Input Gate Capacitance?C_ox - Capacitance of Gate Oxide Layer?L_g - Length of Gate?

Width of Gate Example

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Here is how the Width of Gate equation looks like with Values.

Here is how the Width of Gate equation looks like with Units.

Here is how the Width of Gate equation looks like.

0.2857 = \frac{60.01}{30.01 \cdot 7}

0.2857mm = \frac{60.01μF}{30.01μF/mm² \cdot 7mm}

0.2857 = \frac{60.01}{30.01 \cdot 7}

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Width of Gate Solution

Follow our step by step solution on how to calculate Width of Gate?

FIRST Step Consider the formula

W g = \frac{C in}{C ox \cdot L g}

Next Step Substitute values of Variables

∴

W g = \frac{60.01μF}{30.01μF/mm² \cdot 7mm}

Next Step Convert Units

∴

W g = \frac{6E-5F}{30.01F/m² \cdot 0.007m}

Next Step Prepare to Evaluate

∴

W g = \frac{6E-5}{30.01 \cdot 0.007}

Next Step Evaluate

∴

W g = 0.000285666682534393m

Next Step Convert to Output's Unit

∴

W g = 0.285666682534393mm

LAST Step Rounding Answer

∴

W g = 0.2857mm

Width of Gate Formula Elements

Variables

Gate Width

Gate Width refers to the distance between the edge of a metal gate electrode and the adjacent semiconductor material in a CMOS.

Symbol: W_g

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Gate Width

Input Gate Capacitance

Input Gate Capacitance in CMOS refers to the capacitance between the input terminals of a CMOS circuit and the reference potential (usually ground).

Symbol: C_in

Measurement: CapacitanceUnit: μF

Note: Value should be greater than 0.

Formulas to find Input Gate Capacitance

Capacitance of Gate Oxide Layer

Capacitance of Gate Oxide Layer is defined as the capacitance of the gate terminal of a field-effect transistor.

Symbol: C_ox

Measurement: Oxide Capacitance Per Unit AreaUnit: μF/mm²

Note: Value should be greater than 0.

Formulas to find Capacitance of Gate Oxide Layer

Length of Gate

Length of Gate is the measurement or extent of something from end to end.

Symbol: L_g

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Length of Gate

Other formulas in CMOS Circuit Characteristics category

Go CMOS Critical Voltage

V c = E c \cdot L

Go CMOS Mean Free Path

L = \frac{V c}{E c}

Go Width of Source Diffusion

W = \frac{A s}{D s}

Go Area of Source Diffusion

A s = D s \cdot W

How to Evaluate Width of Gate?

Width of Gate evaluator uses Gate Width = Input Gate Capacitance/(Capacitance of Gate Oxide Layer*Length of Gate) to evaluate the Gate Width, The Width of Gate formula is defined as the width around the junction's of the MOSFET i.e the area of junction width. Gate Width is denoted by W_g symbol.

How to evaluate Width of Gate using this online evaluator? To use this online evaluator for Width of Gate, enter Input Gate Capacitance (C_in), Capacitance of Gate Oxide Layer (C_ox) & Length of Gate (L_g) and hit the calculate button.

FAQs on Width of Gate

What is the formula to find Width of Gate?

The formula of Width of Gate is expressed as Gate Width = Input Gate Capacitance/(Capacitance of Gate Oxide Layer*Length of Gate). Here is an example- 285.6667 = 6.001E-05/(30.01*0.007).

How to calculate Width of Gate?

With Input Gate Capacitance (C_in), Capacitance of Gate Oxide Layer (C_ox) & Length of Gate (L_g) we can find Width of Gate using the formula - Gate Width = Input Gate Capacitance/(Capacitance of Gate Oxide Layer*Length of Gate).

Can the Width of Gate be negative?

No, the Width of Gate, measured in Length cannot be negative.

Which unit is used to measure Width of Gate?

Width of Gate is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Width of Gate can be measured.

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Width of Gate Formula

Width of Gate Example

Width of Gate Solution

Width of Gate Formula Elements

Other formulas in CMOS Circuit Characteristics category

How to Evaluate Width of Gate?

FAQs on Width of Gate

Variable Name