Capacitive Reactance of Mosfet Solution

STEP 0: Pre-Calculation Summary
Formula Used
Capacitive Reactance = 1/(2*pi*Frequency*Capacitance)
Xc = 1/(2*pi*f*c)
This formula uses 1 Constants, 3 Variables
Constants Used
pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288
Variables Used
Capacitive Reactance - (Measured in Ohm) - The Capacitive Reactance of a capacitor is inversely proportional to the frequency of the AC signal. This means that as the frequency increases, the capacitive reactance decreases.
Frequency - (Measured in Hertz) - Frequency is the number of occurrences of a repeating event per unit of time. It is also occasionally referred to as temporal frequency for clarity and to distinguish it from spatial frequency.
Capacitance - (Measured in Farad) - Capacitance is the ability of a device to store electrical energy in the form of an electric charge.
STEP 1: Convert Input(s) to Base Unit
Frequency: 14 Hertz --> 14 Hertz No Conversion Required
Capacitance: 4.78 Farad --> 4.78 Farad No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Xc = 1/(2*pi*f*c) --> 1/(2*pi*14*4.78)
Evaluating ... ...
Xc = 0.00237828665708152
STEP 3: Convert Result to Output's Unit
0.00237828665708152 Ohm --> No Conversion Required
FINAL ANSWER
0.00237828665708152 0.002378 Ohm <-- Capacitive Reactance
(Calculation completed in 00.004 seconds)

Credits

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Created by Suma Madhuri
VIT University (VIT), Chennai
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Verified by Ritwik Tripathi
Vellore Institute of Technology (VIT Vellore), Vellore
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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

Capacitive Reactance of Mosfet Formula

​LaTeX ​Go
Capacitive Reactance = 1/(2*pi*Frequency*Capacitance)
Xc = 1/(2*pi*f*c)

What are the implications of the capacitive reactance of a MOSFET for high-frequency circuit design?

The capacitive reactance of a MOSFET has a significant impact on the performance of high-frequency circuits. It can cause the following problems:

Reduced gain: The capacitive reactance of a MOSFET acts as a voltage divider, which reduces the voltage gain of the circuit.
Narrowed bandwidth: The capacitive reactance of a MOSFET can cause the bandwidth of the circuit to narrow, which can limit the range of frequencies that the circuit can amplify.

How to Calculate Capacitive Reactance of Mosfet?

Capacitive Reactance of Mosfet calculator uses Capacitive Reactance = 1/(2*pi*Frequency*Capacitance) to calculate the Capacitive Reactance, The Capacitive Reactance of Mosfet formula is defined as the opposition that the MOSFET's internal capacitances offer to alternating current (AC). It is a measure of how difficult it is for AC current to flow through the MOSFET. Capacitive Reactance is denoted by Xc symbol.

How to calculate Capacitive Reactance of Mosfet using this online calculator? To use this online calculator for Capacitive Reactance of Mosfet, enter Frequency (f) & Capacitance (c) and hit the calculate button. Here is how the Capacitive Reactance of Mosfet calculation can be explained with given input values -> 0.002378 = 1/(2*pi*14*4.78).

FAQ

What is Capacitive Reactance of Mosfet?
The Capacitive Reactance of Mosfet formula is defined as the opposition that the MOSFET's internal capacitances offer to alternating current (AC). It is a measure of how difficult it is for AC current to flow through the MOSFET and is represented as Xc = 1/(2*pi*f*c) or Capacitive Reactance = 1/(2*pi*Frequency*Capacitance). Frequency is the number of occurrences of a repeating event per unit of time. It is also occasionally referred to as temporal frequency for clarity and to distinguish it from spatial frequency & Capacitance is the ability of a device to store electrical energy in the form of an electric charge.
How to calculate Capacitive Reactance of Mosfet?
The Capacitive Reactance of Mosfet formula is defined as the opposition that the MOSFET's internal capacitances offer to alternating current (AC). It is a measure of how difficult it is for AC current to flow through the MOSFET is calculated using Capacitive Reactance = 1/(2*pi*Frequency*Capacitance). To calculate Capacitive Reactance of Mosfet, you need Frequency (f) & Capacitance (c). With our tool, you need to enter the respective value for Frequency & Capacitance 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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