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Self-Resonance Frequency of Varactor Diode Formula

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The self resonance frequency of an inductor is the frequency at which the capacitance of the inductor resonates with the ideal inductance of the inductor. Check FAQs

s o = \frac{1}{2 \cdot π \cdot \sqrt{L s \cdot C j}}

s_o - Self Resonance Frequency?L_s - Inductance of Varactor Diode?C_j - Capacitance of Varactor Diode?π - Archimedes' constant?

Self-Resonance Frequency of Varactor Diode Example

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Here is how the Self-Resonance Frequency of Varactor Diode equation looks like with Values.

Here is how the Self-Resonance Frequency of Varactor Diode equation looks like with Units.

Here is how the Self-Resonance Frequency of Varactor Diode equation looks like.

2.2805 = \frac{1}{2 \cdot 3.1416 \cdot \sqrt{3.2 \cdot 1522}}

2.2805Hz = \frac{1}{2 \cdot 3.1416 \cdot \sqrt{3.2H \cdot 1522μF}}

2.2805 = \frac{1}{2 \cdot 3.1416 \cdot \sqrt{3.2 \cdot 1522}}

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Self-Resonance Frequency of Varactor Diode Solution

Follow our step by step solution on how to calculate Self-Resonance Frequency of Varactor Diode?

FIRST Step Consider the formula

s o = \frac{1}{2 \cdot π \cdot \sqrt{L s \cdot C j}}

Next Step Substitute values of Variables

∴

s o = \frac{1}{2 \cdot π \cdot \sqrt{3.2H \cdot 1522μF}}

Next Step Substitute values of Constants

∴

s o = \frac{1}{2 \cdot 3.1416 \cdot \sqrt{3.2H \cdot 1522μF}}

Next Step Convert Units

∴

s o = \frac{1}{2 \cdot 3.1416 \cdot \sqrt{3.2H \cdot 0.0015F}}

Next Step Prepare to Evaluate

∴

s o = \frac{1}{2 \cdot 3.1416 \cdot \sqrt{3.2 \cdot 0.0015}}

Next Step Evaluate

∴

s o = 2.28054064181289Hz

LAST Step Rounding Answer

∴

s o = 2.2805Hz

Self-Resonance Frequency of Varactor Diode Formula Elements

Variables

Constants

Functions

Self Resonance Frequency

The self resonance frequency of an inductor is the frequency at which the capacitance of the inductor resonates with the ideal inductance of the inductor.

Symbol: s_o

Measurement: FrequencyUnit: Hz

Note: Value can be positive or negative.

Formulas to find Self Resonance Frequency

Inductance of Varactor Diode

The inductance of Varactor Diode is defined as the ratio of the induced voltage to the rate of change of current causing it.

Symbol: L_s

Measurement: InductanceUnit: H

Note: Value can be positive or negative.

Formulas to find Inductance of Varactor Diode

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

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

sqrt

A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.

Syntax: sqrt(Number)

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 Self-Resonance Frequency of Varactor Diode?

Self-Resonance Frequency of Varactor Diode evaluator uses Self Resonance Frequency = 1/(2*pi*sqrt(Inductance of Varactor Diode*Capacitance of Varactor Diode)) to evaluate the Self Resonance Frequency, The Self-Resonance Frequency of Varactor Diode formula is the frequency at which the parasitic capacitance of the inductor resonates with the ideal inductance of the inductor resulting in an extremely high impedance. Self Resonance Frequency is denoted by s_o symbol.

How to evaluate Self-Resonance Frequency of Varactor Diode using this online evaluator? To use this online evaluator for Self-Resonance Frequency of Varactor Diode, enter Inductance of Varactor Diode (L_s) & Capacitance of Varactor Diode (C_j) and hit the calculate button.

FAQs on Self-Resonance Frequency of Varactor Diode

What is the formula to find Self-Resonance Frequency of Varactor Diode?

The formula of Self-Resonance Frequency of Varactor Diode is expressed as Self Resonance Frequency = 1/(2*pi*sqrt(Inductance of Varactor Diode*Capacitance of Varactor Diode)). Here is an example- 2.280541 = 1/(2*pi*sqrt(3.2*0.001522)).

How to calculate Self-Resonance Frequency of Varactor Diode?

With Inductance of Varactor Diode (L_s) & Capacitance of Varactor Diode (C_j) we can find Self-Resonance Frequency of Varactor Diode using the formula - Self Resonance Frequency = 1/(2*pi*sqrt(Inductance of Varactor Diode*Capacitance of Varactor Diode)). This formula also uses Archimedes' constant and Square Root (sqrt) function(s).

Can the Self-Resonance Frequency of Varactor Diode be negative?

Yes, the Self-Resonance Frequency of Varactor Diode, measured in Frequency can be negative.

Which unit is used to measure Self-Resonance Frequency of Varactor Diode?

Self-Resonance Frequency of Varactor Diode is usually measured using the Hertz[Hz] for Frequency. Petahertz[Hz], Terahertz[Hz], Gigahertz[Hz] are the few other units in which Self-Resonance Frequency of Varactor Diode can be measured.

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