Overlap Capacitance of MOSFET Solution

STEP 0: Pre-Calculation Summary
Formula Used
Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length
Coc = Wc*Cox*Lov
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
Coc = Wc*Cox*Lov --> 1E-05*0.00094*4.06E-05
Evaluating ... ...
Coc = 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)

Credits

Created by Payal Priya
Birsa Institute of Technology (BIT), Sindri
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National Institute Of Technology (NIT), Hamirpur
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15 Internal Capacitive Effects and High Frequency Model Calculators

Conductance of Channel of MOSFETs
Go Conductance of Channel = Mobility of Electrons at Surface of Channel*Oxide Capacitance*(Channel Width/Channel Length)*Voltage across Oxide
Transition Frequency of MOSFET
Go Transition Frequency = Transconductance/(2*pi*(Source Gate Capacitance+Gate-Drain Capacitance))
Magnitude of Electron Charge in Channel of MOSFET
Go Electron Charge in Channel = Oxide Capacitance*Channel Width*Channel Length*Effective Voltage
Lower Critical Frequency of Mosfet
Go Corner Frequency = 1/(2*pi*(Resistance+Input Resistance)*Capacitance)
Phase Shift in Output RC Circuit
Go Phase Shift = arctan(Capacitive Reactance/(Resistance+Load Resistance))
Output Miller Capacitance Mosfet
Go Output Miller Capacitance = Gate-Drain Capacitance*((Voltage Gain+1)/Voltage Gain)
Total Capacitance between Gate and Channel of MOSFETs
Go Gate Channel Capacitance = Oxide Capacitance*Channel Width*Channel Length
Gate to Source Channel Width of MOSFET
Go Channel Width = Overlap Capacitance/(Oxide Capacitance*Overlap Length)
Overlap Capacitance of MOSFET
Go Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length
Critical Frequency in High Frequency Input RC Circuit
Go Corner Frequency = 1/(2*pi*Input Resistance*Miller Capacitance)
Phase Shift in Input RC Circuit
Go Phase Shift = arctan(Capacitive Reactance/Input Resistance)
Capacitive Reactance of Mosfet
Go Capacitive Reactance = 1/(2*pi*Frequency*Capacitance)
Critical Frequency of Mosfet
Go Critical Frequency in decibles = 10*log10(Critical Frequency)
Miller Capacitance of Mosfet
Go Miller Capacitance = Gate-Drain Capacitance*(Voltage Gain+1)
Attenuation of RC Circuit
Go Attenuation = Base Voltage/Input Voltage

Overlap Capacitance of MOSFET Formula

Overlap Capacitance = Channel Width*Oxide Capacitance*Overlap Length
Coc = Wc*Cox*Lov

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 Coc 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 (Wc), Oxide Capacitance (Cox) & Overlap Length (Lov) 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 Coc = Wc*Cox*Lov 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 (Wc), Oxide Capacitance (Cox) & Overlap Length (Lov). 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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