Output Miller Capacitance Mosfet Calculator

✖Gate-drain capacitance is a parasitic capacitance that exists between the gate and drain electrodes of a field-effect transistor (FET).ⓘ Gate-Drain Capacitance [C_gd]			+10% -10%
✖Voltage gain is a measure of the amplification of an electrical signal by an amplifier . It is the ratio of the output voltage to the input voltage of the circuit, expressed in decibels (dB).ⓘ Voltage Gain [A_v]			+10% -10%

✖Output Miller Capacitance is a parasitic capacitance that exists between the drain and gate of a MOSFET.ⓘ Output Miller Capacitance Mosfet [C_out(miller)]

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Output Miller Capacitance Mosfet

Formula

`"C"_{"out(miller)"} = "C"_{"gd"}*(("A"_{"v"}+1)/"A"_{"v"})`

Example

`"276.2308μF"="7μF"*(("0.026"+1)/"0.026")`

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Output Miller Capacitance Mosfet Solution

STEP 0: Pre-Calculation Summary

Formula Used

Output Miller Capacitance = Gate-Drain Capacitance*((Voltage Gain+1)/Voltage Gain)
C_out(miller) = C_gd*((A_v+1)/A_v)
This formula uses 3 Variables

Variables Used

Output Miller Capacitance - (Measured in Farad) - Output Miller Capacitance is a parasitic capacitance that exists between the drain and gate of a MOSFET.
Gate-Drain Capacitance - (Measured in Farad) - Gate-drain capacitance is a parasitic capacitance that exists between the gate and drain electrodes of a field-effect transistor (FET).
Voltage Gain - Voltage gain is a measure of the amplification of an electrical signal by an amplifier . It is the ratio of the output voltage to the input voltage of the circuit, expressed in decibels (dB).

STEP 1: Convert Input(s) to Base Unit

Gate-Drain Capacitance: 7 Microfarad --> 7E-06 Farad (Check conversion here)
Voltage Gain: 0.026 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

C_out(miller) = C_gd*((A_v+1)/A_v) --> 7E-06*((0.026+1)/0.026)

Evaluating ... ...

C_out(miller) = 0.000276230769230769

STEP 3: Convert Result to Output's Unit

0.000276230769230769 Farad -->276.230769230769 Microfarad (Check conversion here)

FINAL ANSWER

276.230769230769 ≈ 276.2308 Microfarad <-- Output Miller Capacitance

(Calculation completed in 00.004 seconds)

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Created by Suma Madhuri

VIT University (VIT), Chennai

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Chandigarh University (CU), Punjab

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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

Output Miller Capacitance Mosfet Formula

Output Miller Capacitance = Gate-Drain Capacitance*((Voltage Gain+1)/Voltage Gain)
C_out(miller) = C_gd*((A_v+1)/A_v)

What are some examples of MOSFET circuits where the output Miller capacitance is a critical factor?

Examples of MOSFET circuits where the output Miller capacitance is a critical factor:

Power factor correction (PFC) converters: PFC converters are used to improve the power factor of electronic devices. PFC converters typically operate at high frequencies and use MOSFETs to switch the power. The output Miller capacitance of the MOSFETs can affect the efficiency and performance of the PFC converter.
Radio frequency (RF) amplifiers: RF amplifiers are used to amplify RF signals. RF amplifiers typically operate at high frequencies and use MOSFETs to amplify the signal. The output Miller capacitance of the MOSFETs can affect the bandwidth and gain of the RF amplifier.

How to Calculate Output Miller Capacitance Mosfet?

Output Miller Capacitance Mosfet calculator uses Output Miller Capacitance = Gate-Drain Capacitance*((Voltage Gain+1)/Voltage Gain) to calculate the Output Miller Capacitance, The Output Miller Capacitance Mosfet formula is defined as parasitic capacitance that exists between the drain and gate of a MOSFET. It is caused by the Miller effect, which is a phenomenon that occurs when the drain-to-gate voltage changes rapidly. Output Miller Capacitance is denoted by C_out(miller) symbol.

How to calculate Output Miller Capacitance Mosfet using this online calculator? To use this online calculator for Output Miller Capacitance Mosfet, enter Gate-Drain Capacitance (C_gd) & Voltage Gain (A_v) and hit the calculate button. Here is how the Output Miller Capacitance Mosfet calculation can be explained with given input values -> 2.8E+8 = 7E-06*((0.026+1)/0.026).

FAQ

What is Output Miller Capacitance Mosfet?

The Output Miller Capacitance Mosfet formula is defined as parasitic capacitance that exists between the drain and gate of a MOSFET. It is caused by the Miller effect, which is a phenomenon that occurs when the drain-to-gate voltage changes rapidly and is represented as C_out(miller) = C_gd*((A_v+1)/A_v) or Output Miller Capacitance = Gate-Drain Capacitance*((Voltage Gain+1)/Voltage Gain). Gate-drain capacitance is a parasitic capacitance that exists between the gate and drain electrodes of a field-effect transistor (FET) & Voltage gain is a measure of the amplification of an electrical signal by an amplifier . It is the ratio of the output voltage to the input voltage of the circuit, expressed in decibels (dB).

How to calculate Output Miller Capacitance Mosfet?

The Output Miller Capacitance Mosfet formula is defined as parasitic capacitance that exists between the drain and gate of a MOSFET. It is caused by the Miller effect, which is a phenomenon that occurs when the drain-to-gate voltage changes rapidly is calculated using Output Miller Capacitance = Gate-Drain Capacitance*((Voltage Gain+1)/Voltage Gain). To calculate Output Miller Capacitance Mosfet, you need Gate-Drain Capacitance (C_gd) & Voltage Gain (A_v). With our tool, you need to enter the respective value for Gate-Drain Capacitance & Voltage Gain 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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