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Capacitance of Varactor Diode Formula

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The Capacitance of Varactor Diode is the ability of a component or circuit to collect and store energy in the form of an electrical charge. Check FAQs

C j = \frac{k}{{(V b + V R)}^{n}}

C_j - Capacitance of Varactor Diode?k - Material Constant?V_b - Barrier Potential?V_R - Reverse Voltage?n - Doping Constant?

Capacitance of Varactor Diode Example

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Here is how the Capacitance of Varactor Diode equation looks like with Values.

Here is how the Capacitance of Varactor Diode equation looks like with Units.

Here is how the Capacitance of Varactor Diode equation looks like.

1521.8897 = \frac{0.005}{{(0.85 + 9)}^{0.52}}

1521.8897μF = \frac{0.005}{{(0.85V + 9V)}^{0.52}}

1521.8897 = \frac{0.005}{{(0.85 + 9)}^{0.52}}

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Capacitance of Varactor Diode Solution

Follow our step by step solution on how to calculate Capacitance of Varactor Diode?

FIRST Step Consider the formula

C j = \frac{k}{{(V b + V R)}^{n}}

Next Step Substitute values of Variables

∴

C j = \frac{0.005}{{(0.85V + 9V)}^{0.52}}

Next Step Prepare to Evaluate

∴

C j = \frac{0.005}{{(0.85 + 9)}^{0.52}}

Next Step Evaluate

∴

C j = 0.00152188965336729F

Next Step Convert to Output's Unit

∴

C j = 1521.88965336729μF

LAST Step Rounding Answer

∴

C j = 1521.8897μF

Capacitance of Varactor Diode Formula Elements

Variables

Capacitance of Varactor Diode

The Capacitance of Varactor Diode is the ability of a component or circuit to collect and store energy in the form of an electrical charge.

Symbol: C_j

Measurement: CapacitanceUnit: μF

Note: Value should be greater than 0.

Formulas to find Capacitance of Varactor Diode

Material Constant

Material Constant is the constant value for the material used in a particular formula.

Symbol: k

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Material Constant

Barrier Potential

Barrier Potential refers to the potential required to overcome the barrier.

Symbol: V_b

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Barrier Potential

Reverse Voltage

Reverse Voltage refers to the voltage that is applied in the reverse bias direction across the diode.

Symbol: V_R

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Reverse Voltage

Doping Constant

Doping Constant is defined as a constant which discusses the doping level of the material.

Symbol: n

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Doping Constant

Other formulas in Diode Characteristics category

Go Voltage Equivalent of Temperature

V temp = \frac{T room}{11600}

Go Responsivity

R = \frac{I p}{P o}

Go Zener Current

I z = \frac{V i - V z}{R z}

Go Zener Voltage

V z = R z \cdot I z

How to Evaluate Capacitance of Varactor Diode?

Capacitance of Varactor Diode evaluator uses Capacitance of Varactor Diode = Material Constant/((Barrier Potential+Reverse Voltage)^Doping Constant) to evaluate the Capacitance of Varactor Diode, The Capacitance of Varactor Diode formula can be varied by varying the magnitude of the reverse bias voltage as it varies the width of the depletion region, d. Capacitance of Varactor Diode is denoted by C_j symbol.

How to evaluate Capacitance of Varactor Diode using this online evaluator? To use this online evaluator for Capacitance of Varactor Diode, enter Material Constant (k), Barrier Potential (V_b), Reverse Voltage (V_R) & Doping Constant (n) and hit the calculate button.

FAQs on Capacitance of Varactor Diode

What is the formula to find Capacitance of Varactor Diode?

The formula of Capacitance of Varactor Diode is expressed as Capacitance of Varactor Diode = Material Constant/((Barrier Potential+Reverse Voltage)^Doping Constant). Here is an example- 1.5E+9 = 0.005/((0.85+9)^0.52).

How to calculate Capacitance of Varactor Diode?

With Material Constant (k), Barrier Potential (V_b), Reverse Voltage (V_R) & Doping Constant (n) we can find Capacitance of Varactor Diode using the formula - Capacitance of Varactor Diode = Material Constant/((Barrier Potential+Reverse Voltage)^Doping Constant).

Can the Capacitance of Varactor Diode be negative?

No, the Capacitance of Varactor Diode, measured in Capacitance cannot be negative.

Which unit is used to measure Capacitance of Varactor Diode?

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

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Capacitance of Varactor Diode Formula

Capacitance of Varactor Diode Example

Capacitance of Varactor Diode Solution

Capacitance of Varactor Diode Formula Elements

Other formulas in Diode Characteristics category

How to Evaluate Capacitance of Varactor Diode?

FAQs on Capacitance of Varactor Diode

Variable Name