FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Gate Metallization Resistance Formula

Fx Copy

LaTeX Copy

Gate Metallization Resistance is defined as the resistance of metallization of a FET gate stripe that has effect of placing a non-linear resistance in series with the gate junction. Check FAQs

R g = (\frac{R d \cdot {f co}^{2}}{4 \cdot {f m}^{2}}) - (R s + R i)

R_g - Gate Metallization Resistance?R_d - Drain Resistance?f_co - Cut-off Frequency?f_m - Maximum Frequency of Oscillations?R_s - Source Resistance?R_i - Input Resistance?

Gate Metallization Resistance Example

With values

With units

Only example

Here is how the Gate Metallization Resistance equation looks like with Values.

Here is how the Gate Metallization Resistance equation looks like with Units.

Here is how the Gate Metallization Resistance equation looks like.

2.7944 = (\frac{450 \cdot {30.05}^{2}}{4 \cdot 65^{2}}) - (5.75 + 15.5)

2.7944Ω = (\frac{450Ω \cdot {30.05Hz}^{2}}{4 \cdot {65Hz}^{2}}) - (5.75Ω + 15.5Ω)

2.7944 = (\frac{450 \cdot {30.05}^{2}}{4 \cdot 65^{2}}) - (5.75 + 15.5)

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Electronics » Category

Microwave Theory » fx Gate Metallization Resistance

Gate Metallization Resistance Solution

Follow our step by step solution on how to calculate Gate Metallization Resistance?

FIRST Step Consider the formula

R g = (\frac{R d \cdot {f co}^{2}}{4 \cdot {f m}^{2}}) - (R s + R i)

Next Step Substitute values of Variables

∴

R g = (\frac{450Ω \cdot {30.05Hz}^{2}}{4 \cdot {65Hz}^{2}}) - (5.75Ω + 15.5Ω)

Next Step Prepare to Evaluate

∴

R g = (\frac{450 \cdot {30.05}^{2}}{4 \cdot 65^{2}}) - (5.75 + 15.5)

Next Step Evaluate

∴

R g = 2.79444526627219Ω

LAST Step Rounding Answer

∴

R g = 2.7944Ω

Gate Metallization Resistance Formula Elements

Variables

Gate Metallization Resistance

Gate Metallization Resistance is defined as the resistance of metallization of a FET gate stripe that has effect of placing a non-linear resistance in series with the gate junction.

Symbol: R_g

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Gate Metallization Resistance

Drain Resistance

Drain Resistance is the ratio of change in drain to source voltage to corresponding change in drain current for a constant gate to source voltage.

Symbol: R_d

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Drain Resistance

Cut-off Frequency

Cut-off Frequency is defined as corner frequency is a boundary in system's frequency response at which energy flowing through system begins to be reduced rather than passing through.

Symbol: f_co

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Cut-off Frequency

Maximum Frequency of Oscillations

Maximum Frequency of Oscillations is defined as the practical upper bound for useful circuit operation with MESFET.

Symbol: f_m

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Maximum Frequency of Oscillations

Source Resistance

Source Resistance is a measure of how much this source opposes the load from drawing current from it.

Symbol: R_s

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Source Resistance

Input Resistance

Input Resistance is defined as the total internal resistance as experienced by MESFET.

Symbol: R_i

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Input Resistance

Other formulas in MESFET Characteristics category

Go Gate Length of MESFET

L gate = \frac{V s}{4 \cdot π \cdot f co}

Go Cut-off Frequency

f co = \frac{V s}{4 \cdot π \cdot L gate}

Go Transconductance in MESFET

g m = 2 \cdot C gs \cdot π \cdot f co

Go Gate Source Capacitance

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

How to Evaluate Gate Metallization Resistance?

Gate Metallization Resistance evaluator uses Gate Metallization Resistance = ((Drain Resistance*Cut-off Frequency^2)/(4*Maximum Frequency of Oscillations^2))-(Source Resistance+Input Resistance) to evaluate the Gate Metallization Resistance, The Gate Metallization Resistance formula is defined as the resistance associated with the metal contacts that are deposited on top of the semiconductor material to form the gate electrode. Gate Metallization Resistance is denoted by R_g symbol.

How to evaluate Gate Metallization Resistance using this online evaluator? To use this online evaluator for Gate Metallization Resistance, enter Drain Resistance (R_d), Cut-off Frequency (f_co), Maximum Frequency of Oscillations (f_m), Source Resistance (R_s) & Input Resistance (R_i) and hit the calculate button.

FAQs on Gate Metallization Resistance

What is the formula to find Gate Metallization Resistance?

The formula of Gate Metallization Resistance is expressed as Gate Metallization Resistance = ((Drain Resistance*Cut-off Frequency^2)/(4*Maximum Frequency of Oscillations^2))-(Source Resistance+Input Resistance). Here is an example- 2.794445 = ((450*30.05^2)/(4*65^2))-(5.75+15.5).

How to calculate Gate Metallization Resistance?

With Drain Resistance (R_d), Cut-off Frequency (f_co), Maximum Frequency of Oscillations (f_m), Source Resistance (R_s) & Input Resistance (R_i) we can find Gate Metallization Resistance using the formula - Gate Metallization Resistance = ((Drain Resistance*Cut-off Frequency^2)/(4*Maximum Frequency of Oscillations^2))-(Source Resistance+Input Resistance).

Can the Gate Metallization Resistance be negative?

No, the Gate Metallization Resistance, measured in Electric Resistance cannot be negative.

Which unit is used to measure Gate Metallization Resistance?

Gate Metallization Resistance is usually measured using the Ohm[Ω] for Electric Resistance. Megohm[Ω], Microhm[Ω], Volt per Ampere[Ω] are the few other units in which Gate Metallization Resistance can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Gate Metallization Resistance Formula

Gate Metallization Resistance Example

Gate Metallization Resistance Solution

Gate Metallization Resistance Formula Elements

Other formulas in MESFET Characteristics category

How to Evaluate Gate Metallization Resistance?

FAQs on Gate Metallization Resistance

Variable Name