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Gate Length Formula

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Gate Length is an important parameter as it determines the size of the gate region and hence affects the device's electrical characteristics. Check FAQs

L g = T o \cdot V ds

L_g - Gate Length?T_o - DC Transient Time?V_ds - Saturation Drift Velocity?

Gate Length Example

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Here is how the Gate Length equation looks like with Values.

Here is how the Gate Length equation looks like with Units.

Here is how the Gate Length equation looks like.

11.52 = 0.16 \cdot 72

11.52m = 0.16s \cdot 72m/s

11.52 = 0.16 \cdot 72

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Gate Length Solution

Follow our step by step solution on how to calculate Gate Length?

FIRST Step Consider the formula

L g = T o \cdot V ds

Next Step Substitute values of Variables

∴

L g = 0.16s \cdot 72m/s

Next Step Prepare to Evaluate

∴

L g = 0.16 \cdot 72

LAST Step Evaluate

∴

L g = 11.52m

Gate Length Formula Elements

Variables

Gate Length

Gate Length is an important parameter as it determines the size of the gate region and hence affects the device's electrical characteristics.

Symbol: L_g

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Gate Length

DC Transient Time

DC Transient Time refers to the time taken by an electron to travel from the cathode to the anode of an electron device and then back to the cathode.

Symbol: T_o

Measurement: TimeUnit: s

Note: Value should be greater than 0.

Formulas to find DC Transient Time

Saturation Drift Velocity

Saturation Drift Velocity refers to the maximum velocity that an electron or hole can attain in a given material when subjected to an electric field.

Symbol: V_ds

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Saturation Drift Velocity

Other formulas in Helix Tube category

Go Ratio of Voltage Wave

V swr = \sqrt{P sw}

Go Insertion Loss

I L = 20 \cdot \log 10 (\frac{V t}{V in})

Go Power Standing Wave Ratio

P sw = {V swr}^{2}

Go Saturation Drift Voltage

V ds = \frac{L g}{T o}

How to Evaluate Gate Length?

Gate Length evaluator uses Gate Length = DC Transient Time*Saturation Drift Velocity to evaluate the Gate Length, Gate Length is the length of the gate electrode in a field-effect transistor (FET) or other similar devices. The gate is a crucial part of a FET as it is used to control the flow of current between the source and drain electrodes. The gate length is an important parameter as it determines the size of the gate region and hence affects the device's electrical characteristics. Gate Length is denoted by L_g symbol.

How to evaluate Gate Length using this online evaluator? To use this online evaluator for Gate Length, enter DC Transient Time (T_o) & Saturation Drift Velocity (V_ds) and hit the calculate button.

FAQs on Gate Length

What is the formula to find Gate Length?

The formula of Gate Length is expressed as Gate Length = DC Transient Time*Saturation Drift Velocity. Here is an example- 11.52 = 0.16*72.

How to calculate Gate Length?

With DC Transient Time (T_o) & Saturation Drift Velocity (V_ds) we can find Gate Length using the formula - Gate Length = DC Transient Time*Saturation Drift Velocity.

Can the Gate Length be negative?

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

Which unit is used to measure Gate Length?

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

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Gate Length Formula

Gate Length Example

Gate Length Solution

Gate Length Formula Elements

Other formulas in Helix Tube category

How to Evaluate Gate Length?

FAQs on Gate Length

Variable Name