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Maximum Photodiode 3 dB Bandwidth Formula

Go3 dB Bandwidth of Metal Photodetectors Formula

GoMaximum 3dB Bandwidth of Metal Photodetector Formula

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Maximum 3dB Bandwidth of the photodiode is the frequency at which the photodiode's response drops to -3 decibels (dB) or approximately 70.7% of its maximum response. Check FAQs

B m = \frac{υ d}{2 \cdot π \cdot w}

B_m - Maximum 3db Bandwidth?υ_d - Carrier Velocity?w - Depletion Layer Width?π - Archimedes' constant?

Maximum Photodiode 3 dB Bandwidth Example

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Here is how the Maximum Photodiode 3 dB Bandwidth equation looks like with Values.

Here is how the Maximum Photodiode 3 dB Bandwidth equation looks like with Units.

Here is how the Maximum Photodiode 3 dB Bandwidth equation looks like.

13.0153 = \frac{736}{2 \cdot 3.1416 \cdot 9}

13.0153Hz = \frac{736m/s}{2 \cdot 3.1416 \cdot 9m}

13.0153 = \frac{736}{2 \cdot 3.1416 \cdot 9}

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Maximum Photodiode 3 dB Bandwidth Solution

Follow our step by step solution on how to calculate Maximum Photodiode 3 dB Bandwidth?

FIRST Step Consider the formula

B m = \frac{υ d}{2 \cdot π \cdot w}

Next Step Substitute values of Variables

∴

B m = \frac{736m/s}{2 \cdot π \cdot 9m}

Next Step Substitute values of Constants

∴

B m = \frac{736m/s}{2 \cdot 3.1416 \cdot 9m}

Next Step Prepare to Evaluate

∴

B m = \frac{736}{2 \cdot 3.1416 \cdot 9}

Next Step Evaluate

∴

B m = 13.0153375684039Hz

LAST Step Rounding Answer

∴

B m = 13.0153Hz

Maximum Photodiode 3 dB Bandwidth Formula Elements

Variables

Constants

Maximum 3db Bandwidth

Maximum 3dB Bandwidth of the photodiode is the frequency at which the photodiode's response drops to -3 decibels (dB) or approximately 70.7% of its maximum response.

Symbol: B_m

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Maximum 3db Bandwidth

Carrier Velocity

Carrier Velocity in a photodiode refers to the speed at which charge carriers (either electrons or holes) move within the semiconductor material under the influence of an applied electric field.

Symbol: υ_d

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Carrier Velocity

Depletion Layer Width

The depletion Layer Width is the distance across the region near the p-n junction where mobile charge carriers (electrons and holes) have been significantly depleted or removed.

Symbol: w

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Depletion Layer Width

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

Other Formulas to find Maximum 3db Bandwidth

Go 3 dB Bandwidth of Metal Photodetectors

B m = \frac{1}{2 \cdot π \cdot t s}

Go Maximum 3dB Bandwidth of Metal Photodetector

B m = \frac{1}{2 \cdot π \cdot t s \cdot G}

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Go Quantum Efficiency of Photodetector

η = \frac{N e}{N p}

Go Incident Photon Rate

R i = \frac{P i}{[hP] \cdot F i}

Go Electron Rate in Detector

R p = η \cdot R i

Go Long Wavelength Cutoff Point

λ c = [hP] \cdot \frac{[c]}{E g}

How to Evaluate Maximum Photodiode 3 dB Bandwidth?

Maximum Photodiode 3 dB Bandwidth evaluator uses Maximum 3db Bandwidth = Carrier Velocity/(2*pi*Depletion Layer Width) to evaluate the Maximum 3db Bandwidth, Maximum Photodiode 3 dB Bandwidth of the photodiode is the frequency at which the photodiode's response drops to -3 decibels (dB) or approximately 70.7% of its maximum response. Maximum 3db Bandwidth is denoted by B_m symbol.

How to evaluate Maximum Photodiode 3 dB Bandwidth using this online evaluator? To use this online evaluator for Maximum Photodiode 3 dB Bandwidth, enter Carrier Velocity (υ_d) & Depletion Layer Width (w) and hit the calculate button.

FAQs on Maximum Photodiode 3 dB Bandwidth

What is the formula to find Maximum Photodiode 3 dB Bandwidth?

The formula of Maximum Photodiode 3 dB Bandwidth is expressed as Maximum 3db Bandwidth = Carrier Velocity/(2*pi*Depletion Layer Width). Here is an example- 0.282942 = 736/(2*pi*9).

How to calculate Maximum Photodiode 3 dB Bandwidth?

With Carrier Velocity (υ_d) & Depletion Layer Width (w) we can find Maximum Photodiode 3 dB Bandwidth using the formula - Maximum 3db Bandwidth = Carrier Velocity/(2*pi*Depletion Layer Width). This formula also uses Archimedes' constant .

What are the other ways to Calculate Maximum 3db Bandwidth?

Here are the different ways to Calculate Maximum 3db Bandwidth-

Maximum 3db Bandwidth=1/(2*pi*Transit Time)
Maximum 3db Bandwidth=1/(2*pi*Transit Time*PhotoConductive Gain)

Can the Maximum Photodiode 3 dB Bandwidth be negative?

No, the Maximum Photodiode 3 dB Bandwidth, measured in Frequency cannot be negative.

Which unit is used to measure Maximum Photodiode 3 dB Bandwidth?

Maximum Photodiode 3 dB Bandwidth is usually measured using the Hertz[Hz] for Frequency. Petahertz[Hz], Terahertz[Hz], Gigahertz[Hz] are the few other units in which Maximum Photodiode 3 dB Bandwidth can be measured.

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Maximum Photodiode 3 dB Bandwidth Formula

​Go3 dB Bandwidth of Metal Photodetectors Formula

​GoMaximum 3dB Bandwidth of Metal Photodetector Formula

Maximum Photodiode 3 dB Bandwidth Example

Maximum Photodiode 3 dB Bandwidth Solution

Maximum Photodiode 3 dB Bandwidth Formula Elements

Other Formulas to find Maximum 3db Bandwidth

Other formulas in Optical Detectors category

How to Evaluate Maximum Photodiode 3 dB Bandwidth?

FAQs on Maximum Photodiode 3 dB Bandwidth

Variable Name

Go3 dB Bandwidth of Metal Photodetectors Formula

GoMaximum 3dB Bandwidth of Metal Photodetector Formula