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MESFET Cutoff Frequency Formula

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MESFET Cutoff Frequency represents the frequency at which the transistor's current gain (or transconductance) begins to decrease significantly. Check FAQs

f co = \frac{G m}{2 \cdot π \cdot C gs}

f_co - MESFET Cutoff Frequency?G_m - Transconductance of the MESFET?C_gs - Gate Source Capacitance?π - Archimedes' constant?

MESFET Cutoff Frequency Example

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Here is how the MESFET Cutoff Frequency equation looks like with Values.

Here is how the MESFET Cutoff Frequency equation looks like with Units.

Here is how the MESFET Cutoff Frequency equation looks like.

179.2539 = \frac{0.0631}{2 \cdot 3.1416 \cdot 56}

179.2539Hz = \frac{0.0631S}{2 \cdot 3.1416 \cdot 56μF}

179.2539 = \frac{0.0631}{2 \cdot 3.1416 \cdot 56}

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MESFET Cutoff Frequency Solution

Follow our step by step solution on how to calculate MESFET Cutoff Frequency?

FIRST Step Consider the formula

f co = \frac{G m}{2 \cdot π \cdot C gs}

Next Step Substitute values of Variables

∴

f co = \frac{0.0631S}{2 \cdot π \cdot 56μF}

Next Step Substitute values of Constants

∴

f co = \frac{0.0631S}{2 \cdot 3.1416 \cdot 56μF}

Next Step Convert Units

∴

f co = \frac{0.0631S}{2 \cdot 3.1416 \cdot 5.6E-5F}

Next Step Prepare to Evaluate

∴

f co = \frac{0.0631}{2 \cdot 3.1416 \cdot 5.6E-5}

Next Step Evaluate

∴

f co = 179.253938762358Hz

LAST Step Rounding Answer

∴

f co = 179.2539Hz

MESFET Cutoff Frequency Formula Elements

Variables

Constants

MESFET Cutoff Frequency

MESFET Cutoff Frequency represents the frequency at which the transistor's current gain (or transconductance) begins to decrease significantly.

Symbol: f_co

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find MESFET Cutoff Frequency

Transconductance of the MESFET

Transconductance of the MESFET is a key parameter in MESFETs, representing the change in drain current with respect to the change in gate-source voltage.

Symbol: G_m

Measurement: Electric ConductanceUnit: S

Note: Value should be greater than 0.

Formulas to find Transconductance of the MESFET

Gate Source Capacitance

Gate Source Capacitance refers to the capacitance between the gate and source terminals of a field-effect transistor (FET).

Symbol: C_gs

Measurement: CapacitanceUnit: μF

Note: Value should be greater than 0.

Formulas to find Gate Source Capacitance

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

Other formulas in Transistor Amplifiers category

Go Maximum Operating Frequency

f max = \frac{f co}{2} \cdot \sqrt{\frac{R d}{R s + R i + R g}}

Go Transconductance in Saturation Region in MESFET

G m = g 0 \cdot (1 - \sqrt{\frac{V i - V G}{V p}})

Go Maximum Frequency of Oscillation

f max o = \frac{v s}{2 \cdot π \cdot L c}

Go Noise Factor GaAs MESFET

NF = 1 + 2 \cdot ω \cdot \frac{C gs}{G m} \cdot \sqrt{\frac{R s - R gate}{R i}}

How to Evaluate MESFET Cutoff Frequency?

MESFET Cutoff Frequency evaluator uses MESFET Cutoff Frequency = Transconductance of the MESFET/(2*pi*Gate Source Capacitance) to evaluate the MESFET Cutoff Frequency, The MESFET Cutoff Frequency formula is defined as the frequency at which the transistor's current gain (or transconductance) begins to decrease significantly. MESFET Cutoff Frequency is denoted by f_co symbol.

How to evaluate MESFET Cutoff Frequency using this online evaluator? To use this online evaluator for MESFET Cutoff Frequency, enter Transconductance of the MESFET (G_m) & Gate Source Capacitance (C_gs) and hit the calculate button.

FAQs on MESFET Cutoff Frequency

What is the formula to find MESFET Cutoff Frequency?

The formula of MESFET Cutoff Frequency is expressed as MESFET Cutoff Frequency = Transconductance of the MESFET/(2*pi*Gate Source Capacitance). Here is an example- 179.2539 = 0.063072/(2*pi*5.6E-05).

How to calculate MESFET Cutoff Frequency?

With Transconductance of the MESFET (G_m) & Gate Source Capacitance (C_gs) we can find MESFET Cutoff Frequency using the formula - MESFET Cutoff Frequency = Transconductance of the MESFET/(2*pi*Gate Source Capacitance). This formula also uses Archimedes' constant .

Can the MESFET Cutoff Frequency be negative?

No, the MESFET Cutoff Frequency, measured in Frequency cannot be negative.

Which unit is used to measure MESFET Cutoff Frequency?

MESFET Cutoff Frequency is usually measured using the Hertz[Hz] for Frequency. Petahertz[Hz], Terahertz[Hz], Gigahertz[Hz] are the few other units in which MESFET Cutoff Frequency can be measured.

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MESFET Cutoff Frequency Formula

MESFET Cutoff Frequency Example

MESFET Cutoff Frequency Solution

MESFET Cutoff Frequency Formula Elements

Other formulas in Transistor Amplifiers category

How to Evaluate MESFET Cutoff Frequency?

FAQs on MESFET Cutoff Frequency

Variable Name