Overlap Capacitance of MOSFET Calculator

✖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).ⓘ Channel Width [W_c]			+10% -10%
✖Oxide capacitance is an important parameter that affects the performance of MOS devices, such as the speed and power consumption of integrated circuits.ⓘ Oxide Capacitance [C_ox]			+10% -10%
✖Overlap Length is the average distance that the excess carriers can cover before they recombine.ⓘ Overlap Length [L_ov]			+10% -10%

✖Overlap capacitance refers to the capacitance that arises between two conductive regions in close proximity to each other, but not directly connected.ⓘ Overlap Capacitance of MOSFET [C_oc]

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Overlap Capacitance of MOSFET Solution

STEP 0: Pre-Calculation Summary

Formula Used

Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length
C_oc = W_c*C_ox*L_ov
This formula uses 4 Variables

Variables Used

Overlap Capacitance - (Measured in Farad) - Overlap capacitance refers to the capacitance that arises between two conductive regions in close proximity to each other, but not directly connected.
Channel Width - (Measured in Meter) - 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).
Oxide Capacitance - (Measured in Farad) - Oxide capacitance is an important parameter that affects the performance of MOS devices, such as the speed and power consumption of integrated circuits.
Overlap Length - (Measured in Meter) - Overlap Length is the average distance that the excess carriers can cover before they recombine.

STEP 1: Convert Input(s) to Base Unit

Channel Width: 10 Micrometer --> 1E-05 Meter (Check conversion here)
Oxide Capacitance: 940 Microfarad --> 0.00094 Farad (Check conversion here)
Overlap Length: 40.6 Micrometer --> 4.06E-05 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

C_oc = W_c*C_ox*L_ov --> 1E-05*0.00094*4.06E-05

Evaluating ... ...

C_oc = 3.8164E-13

STEP 3: Convert Result to Output's Unit

3.8164E-13 Farad -->3.8164E-07 Microfarad (Check conversion here)

FINAL ANSWER

3.8164E-07 ≈ 3.8E-7 Microfarad <-- Overlap Capacitance

(Calculation completed in 00.004 seconds)

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Birsa Institute of Technology (BIT), Sindri

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< Internal Capacitive Effects and High Frequency Model Calculators

Transition Frequency of MOSFET

LaTeX Go Transition Frequency = Transconductance/(2*pi*(Source Gate Capacitance+Gate-Drain Capacitance))

Total Capacitance between Gate and Channel of MOSFETs

LaTeX Go Gate Channel Capacitance = Oxide Capacitance*Channel Width*Channel Length

Gate to Source Channel Width of MOSFET

LaTeX Go Channel Width = Overlap Capacitance/(Oxide Capacitance*Overlap Length)

Overlap Capacitance of MOSFET

LaTeX Go Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length

Overlap Capacitance of MOSFET Formula

LaTeX Go

Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length
C_oc = W_c*C_ox*L_ov

How does MOSFET act as capacitor?

Simply put, the DRAIN and SOURCE of the MOSFET act as the conductive plates in a capacitor because of the insulated gate. MOSFETs behave as electroconductive devices, which is the equivalent of a voltage-controlled capacitance.

How to Calculate Overlap Capacitance of MOSFET?

Overlap Capacitance of MOSFET calculator uses Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length to calculate 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 calculate Overlap Capacitance of MOSFET using this online calculator? To use this online calculator for Overlap Capacitance of MOSFET, enter Channel Width (W_c), Oxide Capacitance (C_ox) & Overlap Length (L_ov) and hit the calculate button. Here is how the Overlap Capacitance of MOSFET calculation can be explained with given input values -> 0.38164 = 1E-05*0.00094*4.06E-05.

FAQ

What is Overlap Capacitance of MOSFET?

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 and is represented as C_oc = W_c*C_ox*L_ov or Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length. 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), Oxide capacitance is an important parameter that affects the performance of MOS devices, such as the speed and power consumption of integrated circuits & Overlap Length is the average distance that the excess carriers can cover before they recombine.

How to calculate Overlap Capacitance of MOSFET?

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 is calculated using Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length. To calculate Overlap Capacitance of MOSFET, you need Channel Width (W_c), Oxide Capacitance (C_ox) & Overlap Length (L_ov). With our tool, you need to enter the respective value for Channel Width, Oxide Capacitance & Overlap Length and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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