Quality Factor of Varactor Diode Calculator

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✖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 [f_c]			+10% -10%
✖Operating frequency are a compromise between capacitor size and maximum track circuit length.ⓘ Operating Frequency [f_o]			+10% -10%

✖Quality Factor is defined as the ratio of the initial energy stored in the resonator to the energy lost in one radian of the cycle of oscillation.ⓘ Quality Factor of Varactor Diode [q]

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Formula

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Quality Factor of Varactor Diode

Formula

`"q" = "f"_{"c"}/"f"_{"o"}`

Example

`"1.098214"="3.075Hz"/"2.8Hz"`

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Quality Factor of Varactor Diode Solution

STEP 0: Pre-Calculation Summary

Formula Used

Quality Factor = Cut-off Frequency/Operating Frequency
q = f_c/f_o
This formula uses 3 Variables

Variables Used

Quality Factor - Quality Factor is defined as the ratio of the initial energy stored in the resonator to the energy lost in one radian of the cycle of oscillation.
Cut-off Frequency - (Measured in Hertz) - 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.
Operating Frequency - (Measured in Hertz) - Operating frequency are a compromise between capacitor size and maximum track circuit length.

STEP 1: Convert Input(s) to Base Unit

Cut-off Frequency: 3.075 Hertz --> 3.075 Hertz No Conversion Required
Operating Frequency: 2.8 Hertz --> 2.8 Hertz No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

q = f_c/f_o --> 3.075/2.8

Evaluating ... ...

q = 1.09821428571429

STEP 3: Convert Result to Output's Unit

1.09821428571429 --> No Conversion Required

FINAL ANSWER

1.09821428571429 ≈ 1.098214 <-- Quality Factor

(Calculation completed in 00.020 seconds)

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Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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Vishwakarma Government Engineering College (VGEC), Ahmedabad

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< 16 Diode Characteristics Calculators

Non-Ideal Diode Equation

Go Non Ideal Diode Current = Reverse Saturation Current*(e^(([Charge-e]*Diode Voltage)/(Ideality Factor*[BoltZ]*Temperature))-1)

Ideal Diode Equation

Go Diode Current = Reverse Saturation Current*(e^(([Charge-e]*Diode Voltage)/([BoltZ]*Temperature))-1)

Capacitance of Varactor Diode

Go Capacitance of Varactor Diode = Material Constant/((Barrier Potential+Reverse Voltage)^Doping Constant)

Self-Resonance Frequency of Varactor Diode

Go Self Resonance Frequency = 1/(2*pi*sqrt(Inductance of Varactor Diode*Capacitance of Varactor Diode))

Saturation Drain Current

Go Diode Saturation Current = 0.5*Transconductance Parameter*(Gate Source Voltage-Threshold Voltage)

Cut-off Frequency of Varactor Diode

Go Cut-off Frequency = 1/(2*pi*Series Field Resistance*Capacitance of Varactor Diode)

Zener Current

Go Zener Current = (Input Voltage-Zener Voltage)/Zener Resistance

Thermal Voltage of Diode Equation

Go Thermal Voltage = [BoltZ]*Temperature/[Charge-e]

Diode Equation for Germanium at Room Temperature

Go Germanium Diode Current = Reverse Saturation Current*(e^(Diode Voltage/0.026)-1)

Quality Factor of Varactor Diode

Go Quality Factor = Cut-off Frequency/Operating Frequency

Responsivity

Go Responsivity = Photo Current/Incident Optical Power

Zener Resistance

Go Zener Resistance = Zener Voltage/Zener Current

Zener Voltage

Go Zener Voltage = Zener Resistance*Zener Current

Average DC Current

Go Direct Current = 2*Peak Current/pi

Voltage Equivalent of Temperature

Go Volt-Equivalent of Temperature = Room Temperature/11600

Maximum Wavelight

Go Maximum Wavelight = 1.24/Energy Gap

Quality Factor of Varactor Diode Formula

Quality Factor = Cut-off Frequency/Operating Frequency
q = f_c/f_o

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 Quality Factor of Varactor Diode?

Quality Factor of Varactor Diode calculator uses Quality Factor = Cut-off Frequency/Operating Frequency to calculate the Quality Factor, The Quality Factor of Varactor Diode formula is the ratio of the cut-off frequency of the diode to the operating frequency of the diode. Quality Factor is denoted by q symbol.

How to calculate Quality Factor of Varactor Diode using this online calculator? To use this online calculator for Quality Factor of Varactor Diode, enter Cut-off Frequency (f_c) & Operating Frequency (f_o) and hit the calculate button. Here is how the Quality Factor of Varactor Diode calculation can be explained with given input values -> 1.098214 = 3.075/2.8.

FAQ

What is Quality Factor of Varactor Diode?

The Quality Factor of Varactor Diode formula is the ratio of the cut-off frequency of the diode to the operating frequency of the diode and is represented as q = f_c/f_o or Quality Factor = Cut-off Frequency/Operating Frequency. 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 & Operating frequency are a compromise between capacitor size and maximum track circuit length.

How to calculate Quality Factor of Varactor Diode?

The Quality Factor of Varactor Diode formula is the ratio of the cut-off frequency of the diode to the operating frequency of the diode is calculated using Quality Factor = Cut-off Frequency/Operating Frequency. To calculate Quality Factor of Varactor Diode, you need Cut-off Frequency (f_c) & Operating Frequency (f_o). With our tool, you need to enter the respective value for Cut-off Frequency & Operating Frequency and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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