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Overlap Capacitance of MOSFET Formula

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Overlap capacitance refers to the capacitance that arises between two conductive regions in close proximity to each other, but not directly connected. Check FAQs

C oc = W c \cdot C ox \cdot L ov

C_oc - Overlap Capacitance?W_c - Channel Width?C_ox - Oxide Capacitance?L_ov - Overlap Length?

Overlap Capacitance of MOSFET Example

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Here is how the Overlap Capacitance of MOSFET equation looks like with Values.

Here is how the Overlap Capacitance of MOSFET equation looks like with Units.

Here is how the Overlap Capacitance of MOSFET equation looks like.

3.8E-7 = 10 \cdot 940 \cdot 40.6

3.8E-7μF = 10μm \cdot 940μF \cdot 40.6μm

3.8E-7 = 10 \cdot 940 \cdot 40.6

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Overlap Capacitance of MOSFET Solution

Follow our step by step solution on how to calculate Overlap Capacitance of MOSFET?

FIRST Step Consider the formula

C oc = W c \cdot C ox \cdot L ov

Next Step Substitute values of Variables

∴

C oc = 10μm \cdot 940μF \cdot 40.6μm

Next Step Convert Units

∴

C oc = 1E-5m \cdot 0.0009F \cdot 4.1E-5m

Next Step Prepare to Evaluate

∴

C oc = 1E-5 \cdot 0.0009 \cdot 4.1E-5

Next Step Evaluate

∴

C oc = 3.8164E-13F

Next Step Convert to Output's Unit

∴

C oc = 3.8164E-07μF

LAST Step Rounding Answer

∴

C oc = 3.8E-7μF

Overlap Capacitance of MOSFET Formula Elements

Variables

Overlap Capacitance

Overlap capacitance refers to the capacitance that arises between two conductive regions in close proximity to each other, but not directly connected.

Symbol: C_oc

Measurement: CapacitanceUnit: μF

Note: Value should be greater than 0.

Formulas to find Overlap Capacitance

Channel Width

Channel width refers to the range of frequencies used for transmitting data over a wireless communication channel. It is also known as bandwidth and is measured in hertz (Hz).

Symbol: W_c

Measurement: LengthUnit: μm

Note: Value should be greater than 0.

Formulas to find Channel Width

Oxide Capacitance

Oxide capacitance is an important parameter that affects the performance of MOS devices, such as the speed and power consumption of integrated circuits.

Symbol: C_ox

Measurement: CapacitanceUnit: μF

Note: Value should be greater than 0.

Formulas to find Oxide Capacitance

Overlap Length

Overlap Length is the average distance that the excess carriers can cover before they recombine.

Symbol: L_ov

Measurement: LengthUnit: μm

Note: Value should be greater than 0.

Formulas to find Overlap Length

Other formulas in Internal Capacitive Effects and High Frequency Model category

Go Gate to Source Channel Width of MOSFET

W c = \frac{C oc}{C ox \cdot L ov}

Go Total Capacitance between Gate and Channel of MOSFETs

C g = C ox \cdot W c \cdot L

Go Transition Frequency of MOSFET

f t = \frac{g m}{2 \cdot π \cdot (C sg + C gd)}

Go Conductance of Channel of MOSFETs

G = μ s \cdot C ox \cdot (\frac{W c}{L}) \cdot V ox

How to Evaluate Overlap Capacitance of MOSFET?

Overlap Capacitance of MOSFET evaluator uses Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length to evaluate the Overlap Capacitance, The Overlap capacitance of MOSFET formula is defined as proportional to the width, It is the capacitance caused due to average distance that the excess carriers can cover before they recombine. Overlap Capacitance is denoted by C_oc symbol.

How to evaluate Overlap Capacitance of MOSFET using this online evaluator? To use this online evaluator for Overlap Capacitance of MOSFET, enter Channel Width (W_c), Oxide Capacitance (C_ox) & Overlap Length (L_ov) and hit the calculate button.

FAQs on Overlap Capacitance of MOSFET

What is the formula to find Overlap Capacitance of MOSFET?

The formula of Overlap Capacitance of MOSFET is expressed as Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length. Here is an example- 0.38164 = 1E-05*0.00094*4.06E-05.

How to calculate Overlap Capacitance of MOSFET?

With Channel Width (W_c), Oxide Capacitance (C_ox) & Overlap Length (L_ov) we can find Overlap Capacitance of MOSFET using the formula - Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length.

Can the Overlap Capacitance of MOSFET be negative?

No, the Overlap Capacitance of MOSFET, measured in Capacitance cannot be negative.

Which unit is used to measure Overlap Capacitance of MOSFET?

Overlap Capacitance of MOSFET is usually measured using the Microfarad[μF] for Capacitance. Farad[μF], Kilofarad[μF], Millifarad[μF] are the few other units in which Overlap Capacitance of MOSFET can be measured.

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Overlap Capacitance of MOSFET Formula

Overlap Capacitance of MOSFET Example

Overlap Capacitance of MOSFET Solution

Overlap Capacitance of MOSFET Formula Elements

Other formulas in Internal Capacitive Effects and High Frequency Model category

How to Evaluate Overlap Capacitance of MOSFET?

FAQs on Overlap Capacitance of MOSFET

Variable Name