Cut-off Frequency of Varactor Diode Calculator

✖Series Field Resistance refers to the opposition offered to the flow of current by the field winding around the circuit that is connected in series with the varactor diode.ⓘ Series Field Resistance [R_se]			+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_j]			+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_c]

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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_c = 1/(2*pi*R_se*C_j)
This formula uses 1 Constants, 3 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

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.
Series Field Resistance - (Measured in Ohm) - Series Field Resistance refers to the opposition offered to the flow of current by the field winding around the circuit that is connected in series with the varactor diode.
Capacitance of Varactor Diode - (Measured in Farad) - 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.

STEP 1: Convert Input(s) to Base Unit

Series Field Resistance: 34 Ohm --> 34 Ohm No Conversion Required
Capacitance of Varactor Diode: 1522 Microfarad --> 0.001522 Farad (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f_c = 1/(2*pi*R_se*C_j) --> 1/(2*pi*34*0.001522)

Evaluating ... ...

f_c = 3.0755767003922

STEP 3: Convert Result to Output's Unit

3.0755767003922 Hertz --> No Conversion Required

FINAL ANSWER

3.0755767003922 ≈ 3.075577 Hertz <-- Cut-off Frequency

(Calculation completed in 00.007 seconds)

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Birsa Institute of Technology (BIT), Sindri

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Cut-off Frequency of Varactor Diode Formula

LaTeX Go

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

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 is denoted by f_c 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 (R_se) & Capacitance of Varactor Diode (C_j) and hit the calculate button. Here is how the Cut-off Frequency of Varactor Diode calculation can be explained with given input values -> 3.075577 = 1/(2*pi*34*0.001522).

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_c = 1/(2*pi*R_se*C_j) or Cut-off Frequency = 1/(2*pi*Series Field Resistance*Capacitance of Varactor Diode). Series Field Resistance refers to the opposition offered to the flow of current by the field winding around the circuit that is connected in series with the 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.

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 (R_se) & Capacitance of Varactor Diode (C_j). With our tool, you need to enter the respective value for Series Field Resistance & 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.

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