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Gate to Source Capacitance of Source Follower Formula

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Gate to Source Capacitance is defined as the capacitance that is observed between the gate and Source of the Junction of MOSFET. Check FAQs

C gs = \frac{g m}{f tr}

C_gs - Gate to Source Capacitance?g_m - Transconductance?f_tr - Transition Frequency?

Gate to Source Capacitance of Source Follower Example

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Here is how the Gate to Source Capacitance of Source Follower equation looks like with Values.

Here is how the Gate to Source Capacitance of Source Follower equation looks like with Units.

Here is how the Gate to Source Capacitance of Source Follower equation looks like.

2.6002 = \frac{4.8}{1846}

2.6002μF = \frac{4.8mS}{1846Hz}

2.6002 = \frac{4.8}{1846}

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Gate to Source Capacitance of Source Follower Solution

Follow our step by step solution on how to calculate Gate to Source Capacitance of Source Follower?

FIRST Step Consider the formula

C gs = \frac{g m}{f tr}

Next Step Substitute values of Variables

∴

C gs = \frac{4.8mS}{1846Hz}

Next Step Convert Units

∴

C gs = \frac{0.0048S}{1846Hz}

Next Step Prepare to Evaluate

∴

C gs = \frac{0.0048}{1846}

Next Step Evaluate

∴

C gs = 2.60021668472373E-06F

Next Step Convert to Output's Unit

∴

C gs = 2.60021668472373μF

LAST Step Rounding Answer

∴

C gs = 2.6002μF

Gate to Source Capacitance of Source Follower Formula Elements

Variables

Gate to Source Capacitance

Gate to Source Capacitance is defined as the capacitance that is observed between the gate and Source of the Junction of MOSFET.

Symbol: C_gs

Measurement: CapacitanceUnit: μF

Note: Value should be greater than 0.

Formulas to find Gate to Source Capacitance

Transconductance

Transconductance is the ratio of the change in current at the output terminal to the change in the voltage at the input terminal of an active device.

Symbol: g_m

Measurement: Electric ConductanceUnit: mS

Note: Value should be greater than 0.

Formulas to find Transconductance

Transition Frequency

The Transition Frequency associated with the transition (1 to 2 or 2 to 1) between two different vibrational levels.

Symbol: f_tr

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Transition Frequency

Other formulas in Response of Source and Emitter Follower category

Go 3-DB Frequency in Design Insight and Trade-Off

f 3dB = \frac{1}{2 \cdot π \cdot (C t + C gd) \cdot (\frac{1}{\frac{1}{R L} + \frac{1}{R out}})}

Go Amplifier Gain given Function of Complex Frequency Variable

A m = A mid \cdot K

Go Drain Resistance in Cascode Amplifier

R d = \frac{1}{\frac{1}{R in} + \frac{1}{R t}}

Go Gain Bandwidth Product

GB = \frac{g m \cdot R L}{2 \cdot π \cdot R L \cdot (C t + C gd)}

How to Evaluate Gate to Source Capacitance of Source Follower?

Gate to Source Capacitance of Source Follower evaluator uses Gate to Source Capacitance = Transconductance/Transition Frequency to evaluate the Gate to Source Capacitance, Gate to Source Capacitance of Source Follower represents the inherent capacitance between the transistor's gate and source, affecting its high-frequency performance and input impedance characteristics. Gate to Source Capacitance is denoted by C_gs symbol.

How to evaluate Gate to Source Capacitance of Source Follower using this online evaluator? To use this online evaluator for Gate to Source Capacitance of Source Follower, enter Transconductance (g_m) & Transition Frequency (f_tr) and hit the calculate button.

FAQs on Gate to Source Capacitance of Source Follower

What is the formula to find Gate to Source Capacitance of Source Follower?

The formula of Gate to Source Capacitance of Source Follower is expressed as Gate to Source Capacitance = Transconductance/Transition Frequency. Here is an example- 2.6E+6 = 0.0048/1846.

How to calculate Gate to Source Capacitance of Source Follower?

With Transconductance (g_m) & Transition Frequency (f_tr) we can find Gate to Source Capacitance of Source Follower using the formula - Gate to Source Capacitance = Transconductance/Transition Frequency.

Can the Gate to Source Capacitance of Source Follower be negative?

No, the Gate to Source Capacitance of Source Follower, measured in Capacitance cannot be negative.

Which unit is used to measure Gate to Source Capacitance of Source Follower?

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

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Gate to Source Capacitance of Source Follower Formula

Gate to Source Capacitance of Source Follower Example

Gate to Source Capacitance of Source Follower Solution

Gate to Source Capacitance of Source Follower Formula Elements

Other formulas in Response of Source and Emitter Follower category

How to Evaluate Gate to Source Capacitance of Source Follower?

FAQs on Gate to Source Capacitance of Source Follower

Variable Name