Cut-off frequency of varactor diode Calculator

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✖Series field resistance is resistance just like the filed resistance but it is connected to a series field.ⓘ Series field resistance [Rse]			+10% -10%
✖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ⓘ Capacitance of varactor Diode [C_T]			+10% -10%

✖A Cut-off Frequency is a boundary in a system's frequency response at which energy flowing through the system begins to be reduced rather than passing through.ⓘ Cut-off frequency of varactor diode [F]

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Payal Priya

Birsa Institute of Technology (BIT), Sindri

Payal Priya has created this Calculator and 500+ more calculators!

Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

Urvi Rathod has verified this Calculator and 1000+ more calculators!

Cut-off frequency of varactor diode Solution

STEP 0: Pre-Calculation Summary

Formula Used

cut_off_frequency = 1/(2*pi*Series field resistance*Capacitance of varactor Diode)
F = 1/(2*pi*Rse*C_T)
This formula uses 1 Constants, 2 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Series field resistance - Series field resistance is resistance just like the filed resistance but it is connected to a series field. (Measured in Ohm)
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 (Measured in Farad)

STEP 1: Convert Input(s) to Base Unit

Series field resistance: 10 Ohm --> 10 Ohm No Conversion Required
Capacitance of varactor Diode: 10 Farad --> 10 Farad No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

F = 1/(2*pi*Rse*C_T) --> 1/(2*pi*10*10)

Evaluating ... ...

F = 0.00159154943091895

STEP 3: Convert Result to Output's Unit

0.00159154943091895 Hertz --> No Conversion Required

FINAL ANSWER

0.00159154943091895 Hertz <-- Cut-off frequency

(Calculation completed in 00.000 seconds)

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< 10+ Basic Electronics Calculators

Conductivity in semiconductors in terms of mobility of electrons and holes

conductivity = Concentration of electrons in the conduction band*[Charge-e]*Mobility of holes+Majority carrier electron concentration*[Charge-e]*Mobility of electron Go

Intrinsic concentration

intrinsic_carrier_concentration = sqrt(Coefficient related to specific semiconductor*(Temperature)^3*e^-(Semiconductor bandgap energy/(2*[BoltZ]*Temperature))) Go

Conductivity of extrinsic semiconductor for p-type

conductivity_of_extrinsic_semiconductors_n_type = Acceptor concentration*[Charge-e]*Mobility of electron Go

Conductivity of extrinsic semiconductors for n-type

conductivity_of_extrinsic_semiconductors_p_type = Donor concentration*[Charge-e]*Mobility of holes Go

Majority carrier concentration in a Semiconductor

majority_carrier_electron_concentration = (Intrinsic carrier concentration)^2/Minority carrier concentration Go

Electron diffusion length in terms of relaxation time

electron_diffusion_length = sqrt(Electron Diffusion Constant*Relaxation time) Go

Conductivity in metals in terms of number of electrons

conductivity = Number of Electrons*Mobility of electron*[Charge-e] Go

Einstein's Equation

voltage_equivalent_of_temperature = Electron Diffusion Constant/Mobility of electron Go

Mobility of a charge carriers

mobility_of_charge_carriers = Drift Velocity/Electric field intensity Go

Thermal Voltage or voltage equivalent of temperature

thermal_voltage = Temperature/11600 Go

Cut-off frequency of varactor diode Formula

cut_off_frequency = 1/(2*pi*Series field resistance*Capacitance of varactor Diode)
F = 1/(2*pi*Rse*C_T)

What is a varactor diode?

The diode whose internal capacitance varies with the variation of the reverse voltage type of diode is known as the Varactor diode. It is used for storing the charge. The varactor diode always works in reverse bias, and it is a voltage-dependent semiconductor device.

How to Calculate Cut-off frequency of varactor diode?

Cut-off frequency of varactor diode calculator uses cut_off_frequency = 1/(2*pi*Series field resistance*Capacitance of varactor Diode) to calculate the Cut-off frequency, The Cut-off frequency of varactor diode is a boundary in a system's frequency response at which energy flowing through the system begins to be reduced rather than passing through. Cut-off frequency and is denoted by F symbol.

How to calculate Cut-off frequency of varactor diode using this online calculator? To use this online calculator for Cut-off frequency of varactor diode, enter Series field resistance (Rse) and Capacitance of varactor Diode (C_T) and hit the calculate button. Here is how the Cut-off frequency of varactor diode calculation can be explained with given input values -> 0.001592 = 1/(2*pi*10*10).

FAQ

What is Cut-off frequency of varactor diode?

The Cut-off frequency of varactor diode is a boundary in a system's frequency response at which energy flowing through the system begins to be reduced rather than passing through and is represented as F = 1/(2*pi*Rse*C_T) or cut_off_frequency = 1/(2*pi*Series field resistance*Capacitance of varactor Diode). Series field resistance is resistance just like the filed resistance but it is connected to a series field and 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.

How to calculate Cut-off frequency of varactor diode?

The Cut-off frequency of varactor diode is a boundary in a system's frequency response at which energy flowing through the system begins to be reduced rather than passing through is calculated using cut_off_frequency = 1/(2*pi*Series field resistance*Capacitance of varactor Diode). To calculate Cut-off frequency of varactor diode, you need Series field resistance (Rse) and Capacitance of varactor Diode (C_T). With our tool, you need to enter the respective value for Series field resistance and Capacitance of varactor Diode and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Cut-off frequency?

In this formula, Cut-off frequency uses Series field resistance and Capacitance of varactor Diode. We can use 10 other way(s) to calculate the same, which is/are as follows -

thermal_voltage = Temperature/11600
mobility_of_charge_carriers = Drift Velocity/Electric field intensity
majority_carrier_electron_concentration = (Intrinsic carrier concentration)^2/Minority carrier concentration
intrinsic_carrier_concentration = sqrt(Coefficient related to specific semiconductor*(Temperature)^3*e^-(Semiconductor bandgap energy/(2*[BoltZ]*Temperature)))
voltage_equivalent_of_temperature = Electron Diffusion Constant/Mobility of electron
electron_diffusion_length = sqrt(Electron Diffusion Constant*Relaxation time)
conductivity = Number of Electrons*Mobility of electron*[Charge-e]
conductivity = Concentration of electrons in the conduction band*[Charge-e]*Mobility of holes+Majority carrier electron concentration*[Charge-e]*Mobility of electron
conductivity_of_extrinsic_semiconductors_p_type = Donor concentration*[Charge-e]*Mobility of holes
conductivity_of_extrinsic_semiconductors_n_type = Acceptor concentration*[Charge-e]*Mobility of electron

Where is the Cut-off frequency of varactor diode calculator used?

Among many, Cut-off frequency of varactor diode calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
{FormulaExamplesList}

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