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Load Resistor Formula

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Load resistance refers to the resistance that is connected to the output of an electronic component or circuit. Check FAQs

R L = \frac{1}{2 \cdot π \cdot B \cdot C}

R_L - Load Resistance?B - Post Detection Bandwidth?C - Capacitance?π - Archimedes' constant?

Load Resistor Example

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Here is how the Load Resistor equation looks like with Values.

Here is how the Load Resistor equation looks like with Units.

Here is how the Load Resistor equation looks like.

3.3102 = \frac{1}{2 \cdot 3.1416 \cdot 8E+6 \cdot 6.01}

3.3102kΩ = \frac{1}{2 \cdot 3.1416 \cdot 8E+6Hz \cdot 6.01pF}

3.3102 = \frac{1}{2 \cdot 3.1416 \cdot 8E+6 \cdot 6.01}

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Load Resistor Solution

Follow our step by step solution on how to calculate Load Resistor?

FIRST Step Consider the formula

R L = \frac{1}{2 \cdot π \cdot B \cdot C}

Next Step Substitute values of Variables

∴

R L = \frac{1}{2 \cdot π \cdot 8E+6Hz \cdot 6.01pF}

Next Step Substitute values of Constants

∴

R L = \frac{1}{2 \cdot 3.1416 \cdot 8E+6Hz \cdot 6.01pF}

Next Step Convert Units

∴

R L = \frac{1}{2 \cdot 3.1416 \cdot 8E+6Hz \cdot 6E-12F}

Next Step Prepare to Evaluate

∴

R L = \frac{1}{2 \cdot 3.1416 \cdot 8E+6 \cdot 6E-12}

Next Step Evaluate

∴

R L = 3310.2109628098Ω

Next Step Convert to Output's Unit

∴

R L = 3.3102109628098kΩ

LAST Step Rounding Answer

∴

R L = 3.3102kΩ

Load Resistor Formula Elements

Variables

Constants

Load Resistance

Load resistance refers to the resistance that is connected to the output of an electronic component or circuit.

Symbol: R_L

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Load Resistance

Post Detection Bandwidth

Post Detection Bandwidth refers to the bandwidth of the electrical signal after it has been detected and converted from an optical signal.

Symbol: B

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Post Detection Bandwidth

Capacitance

Capacitance of a photodiode refers to its ability to store electrical charge when subjected to an applied voltage or when exposed to light.

Symbol: C

Measurement: CapacitanceUnit: pF

Note: Value should be greater than 0.

Formulas to find Capacitance

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 in C V Actions of Optics Transmission category

Go Dark Current Noise

i d = 2 \cdot B \cdot [Charge-e] \cdot I d

Go Junction Capacitance of Photodiode

C j = ε r \cdot \frac{A j}{w}

Go Noise Equivalent Power

NEP = [hP] \cdot [c] \cdot \frac{\sqrt{2 \cdot e \cdot I d}}{η \cdot e \cdot λ}

Go Optical Gain of Phototransistor

G O = η \cdot h FE

How to Evaluate Load Resistor?

Load Resistor evaluator uses Load Resistance = 1/(2*pi*Post Detection Bandwidth*Capacitance) to evaluate the Load Resistance, Load Resistor is used in conjunction with the photodiode to create a photodiode amplifier or transimpedance amplifier circuit. Its primary purpose is to convert the photocurrent generated by the photodiode into an output voltage. Load Resistance is denoted by R_L symbol.

How to evaluate Load Resistor using this online evaluator? To use this online evaluator for Load Resistor, enter Post Detection Bandwidth (B) & Capacitance (C) and hit the calculate button.

FAQs on Load Resistor

What is the formula to find Load Resistor?

The formula of Load Resistor is expressed as Load Resistance = 1/(2*pi*Post Detection Bandwidth*Capacitance). Here is an example- 0.00331 = 1/(2*pi*8000000*6.01E-12).

How to calculate Load Resistor?

With Post Detection Bandwidth (B) & Capacitance (C) we can find Load Resistor using the formula - Load Resistance = 1/(2*pi*Post Detection Bandwidth*Capacitance). This formula also uses Archimedes' constant .

Can the Load Resistor be negative?

No, the Load Resistor, measured in Electric Resistance cannot be negative.

Which unit is used to measure Load Resistor?

Load Resistor is usually measured using the Kilohm[kΩ] for Electric Resistance. Ohm[kΩ], Megohm[kΩ], Microhm[kΩ] are the few other units in which Load Resistor can be measured.

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Load Resistor Formula

Load Resistor Example

Load Resistor Solution

Load Resistor Formula Elements

Other formulas in C V Actions of Optics Transmission category

How to Evaluate Load Resistor?

FAQs on Load Resistor

Variable Name