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MOSFET as Linear Resistance Formula

GoMOSFET as Linear Resistance given Aspect Ratio Formula

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Linear resistance, the amount of opposition or resistance is directly proportional to the amount of current flowing through it, as described by Ohm's Law. Check FAQs

R ds = \frac{1}{G}

R_ds - Linear Resistance?G - Conductance of Channel?

MOSFET as Linear Resistance Example

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With units

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Here is how the MOSFET as Linear Resistance equation looks like with Values.

Here is how the MOSFET as Linear Resistance equation looks like with Units.

Here is how the MOSFET as Linear Resistance equation looks like.

0.1667 = \frac{1}{6}

0.1667kΩ = \frac{1}{6mS}

0.1667 = \frac{1}{6}

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MOSFET as Linear Resistance Solution

Follow our step by step solution on how to calculate MOSFET as Linear Resistance?

FIRST Step Consider the formula

R ds = \frac{1}{G}

Next Step Substitute values of Variables

∴

R ds = \frac{1}{6mS}

Next Step Convert Units

∴

R ds = \frac{1}{0.006S}

Next Step Prepare to Evaluate

∴

R ds = \frac{1}{0.006}

Next Step Evaluate

∴

R ds = 166.666666666667Ω

Next Step Convert to Output's Unit

∴

R ds = 0.166666666666667kΩ

LAST Step Rounding Answer

∴

R ds = 0.1667kΩ

MOSFET as Linear Resistance Formula Elements

Variables

Linear Resistance

Linear resistance, the amount of opposition or resistance is directly proportional to the amount of current flowing through it, as described by Ohm's Law.

Symbol: R_ds

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Linear Resistance

Conductance of Channel

The conductance of channel is typically defined as the ratio of the current passing through the channel to the voltage across it.

Symbol: G

Measurement: Electric ConductanceUnit: mS

Note: Value can be positive or negative.

Formulas to find Conductance of Channel

Other Formulas to find Linear Resistance

Go MOSFET as Linear Resistance given Aspect Ratio

R ds = \frac{L}{μ s \cdot C ox \cdot W c \cdot V eff}

Other formulas in Resistance category

Go Electron Mean Free Path

λ = \frac{1}{R out \cdot i d}

Go Drain Output Resistance

R out = \frac{1}{λ \cdot i d}

Go Finite Resistance between Drain and Source

R fi = mod \underset{̲}{u} s \frac{V a}{i d}

Go Conductance in Linear Resistance of MOSFET

G = \frac{1}{R ds}

How to Evaluate MOSFET as Linear Resistance?

MOSFET as Linear Resistance evaluator uses Linear Resistance = 1/Conductance of Channel to evaluate the Linear Resistance, The MOSFET as linear resistance acts as a variable resistor in the linear region and as a current source in the saturation region. Unlike a BJT, to use a MOSFET as a switch, you need to operate within the linear region. Linear Resistance is denoted by R_ds symbol.

How to evaluate MOSFET as Linear Resistance using this online evaluator? To use this online evaluator for MOSFET as Linear Resistance, enter Conductance of Channel (G) and hit the calculate button.

FAQs on MOSFET as Linear Resistance

What is the formula to find MOSFET as Linear Resistance?

The formula of MOSFET as Linear Resistance is expressed as Linear Resistance = 1/Conductance of Channel. Here is an example- 0.000167 = 1/0.006.

How to calculate MOSFET as Linear Resistance?

With Conductance of Channel (G) we can find MOSFET as Linear Resistance using the formula - Linear Resistance = 1/Conductance of Channel.

What are the other ways to Calculate Linear Resistance?

Here are the different ways to Calculate Linear Resistance-

Linear Resistance=Channel Length/(Mobility of Electrons at Surface of Channel*Oxide Capacitance*Channel Width*Effective Voltage)

Can the MOSFET as Linear Resistance be negative?

No, the MOSFET as Linear Resistance, measured in Electric Resistance cannot be negative.

Which unit is used to measure MOSFET as Linear Resistance?

MOSFET as Linear Resistance is usually measured using the Kilohm[kΩ] for Electric Resistance. Ohm[kΩ], Megohm[kΩ], Microhm[kΩ] are the few other units in which MOSFET as Linear Resistance can be measured.

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