Responsivity Calculator

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Diode Characteristics

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Electrostatic Parameters

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Transistor Operating Parameters

✖Photo Current refers to the current generated in the PIN diode due to the light photons.ⓘ Photo Current [I_p]			+10% -10%
✖Incident Optical Power is the total power of the light incident on the PIN diode.ⓘ Incident Optical Power [P_o]			+10% -10%

✖Responsivity refers to how a diode reacts to changes in an applied input signal, typically light or radiation in the case of photodiodes.ⓘ Responsivity [R]

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Formula

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Responsivity

Formula

`"R" = "I"_{"p"}/"P"_{"o"}`

Example

`"0.167969"="430mA"/"2.56W"`

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Responsivity Solution

STEP 0: Pre-Calculation Summary

Formula Used

Responsivity = Photo Current/Incident Optical Power
R = I_p/P_o
This formula uses 3 Variables

Variables Used

Responsivity - Responsivity refers to how a diode reacts to changes in an applied input signal, typically light or radiation in the case of photodiodes.
Photo Current - (Measured in Ampere) - Photo Current refers to the current generated in the PIN diode due to the light photons.
Incident Optical Power - (Measured in Watt) - Incident Optical Power is the total power of the light incident on the PIN diode.

STEP 1: Convert Input(s) to Base Unit

Photo Current: 430 Milliampere --> 0.43 Ampere (Check conversion here)
Incident Optical Power: 2.56 Watt --> 2.56 Watt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R = I_p/P_o --> 0.43/2.56

Evaluating ... ...

R = 0.16796875

STEP 3: Convert Result to Output's Unit

0.16796875 --> No Conversion Required

FINAL ANSWER

0.16796875 ≈ 0.167969 <-- Responsivity

(Calculation completed in 00.004 seconds)

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Created by Akshada Kulkarni

National Institute of Information Technology (NIIT), Neemrana

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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

Responsivity Formula

Responsivity = Photo Current/Incident Optical Power
R = I_p/P_o

What is Diode Equation?

An equation describes the exact current through a diode, given the voltage dropped across the junction, the temperature of the junction, and several physical constants. It is commonly known as the diode equation. Because the diode current is proportional to saturation current, it follows that the current is also proportional to the junction area. The saturation current is very small and has a typical value.

How to Calculate Responsivity?

Responsivity calculator uses Responsivity = Photo Current/Incident Optical Power to calculate the Responsivity, Responsivity refers to how a diode reacts to changes in an applied input signal, typically light or radiation in the case of photodiodes. Responsivity is denoted by R symbol.

How to calculate Responsivity using this online calculator? To use this online calculator for Responsivity, enter Photo Current (I_p) & Incident Optical Power (P_o) and hit the calculate button. Here is how the Responsivity calculation can be explained with given input values -> 0.167969 = 0.43/2.56.

FAQ

What is Responsivity?

Responsivity refers to how a diode reacts to changes in an applied input signal, typically light or radiation in the case of photodiodes and is represented as R = I_p/P_o or Responsivity = Photo Current/Incident Optical Power. Photo Current refers to the current generated in the PIN diode due to the light photons & Incident Optical Power is the total power of the light incident on the PIN diode.

How to calculate Responsivity?

Responsivity refers to how a diode reacts to changes in an applied input signal, typically light or radiation in the case of photodiodes is calculated using Responsivity = Photo Current/Incident Optical Power. To calculate Responsivity, you need Photo Current (I_p) & Incident Optical Power (P_o). With our tool, you need to enter the respective value for Photo Current & Incident Optical Power 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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