Load Resistance of Class B Stage Calculator

✖Peak amplitude Voltage is the change between peak (highest amplitude value) and trough (lowest amplitude value, which can be negative) in an op amp.ⓘ Peak Amplitude Voltage [Vˆ_o]			+10% -10%
✖Supply Voltage is also defined defined as the bias voltage applied to the op amp for Q2(transistor 2) pin. It is also defined as as voltage at collector.ⓘ Supply Voltage [V_cc]			+10% -10%
✖Supply Power in an amplifier refers to the combined output power of all the channels or voices in the amplifier. It is calculated by multiplying the output power of each channel.ⓘ Supply Power [P_s]			+10% -10%

✖Load Resistance of Class B is defined as the cumulative resistance of a circuit as seen by the voltage, current or power source driving that circuit.ⓘ Load Resistance of Class B Stage [R_classB]

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Formula

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Load Resistance of Class B Stage

Formula

`"R"_{"classB"} = (2*"Vˆ"_{"o"}*"V"_{"cc"})/(pi*"P"_{"s"})`

Example

`"1.879344kΩ"=(2*"9.5V"*"7.52V")/(pi*"24.2mW")`

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Load Resistance of Class B Stage Solution

STEP 0: Pre-Calculation Summary

Formula Used

Load Resistance of Class B = (2*Peak Amplitude Voltage*Supply Voltage)/(pi*Supply Power)
R_classB = (2*Vˆ_o*V_cc)/(pi*P_s)
This formula uses 1 Constants, 4 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Load Resistance of Class B - (Measured in Ohm) - Load Resistance of Class B is defined as the cumulative resistance of a circuit as seen by the voltage, current or power source driving that circuit.
Peak Amplitude Voltage - (Measured in Volt) - Peak amplitude Voltage is the change between peak (highest amplitude value) and trough (lowest amplitude value, which can be negative) in an op amp.
Supply Voltage - (Measured in Volt) - Supply Voltage is also defined defined as the bias voltage applied to the op amp for Q2(transistor 2) pin. It is also defined as as voltage at collector.
Supply Power - (Measured in Watt) - Supply Power in an amplifier refers to the combined output power of all the channels or voices in the amplifier. It is calculated by multiplying the output power of each channel.

STEP 1: Convert Input(s) to Base Unit

Peak Amplitude Voltage: 9.5 Volt --> 9.5 Volt No Conversion Required
Supply Voltage: 7.52 Volt --> 7.52 Volt No Conversion Required
Supply Power: 24.2 Milliwatt --> 0.0242 Watt (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R_classB = (2*Vˆ_o*V_cc)/(pi*P_s) --> (2*9.5*7.52)/(pi*0.0242)

Evaluating ... ...

R_classB = 1879.34365859256

STEP 3: Convert Result to Output's Unit

1879.34365859256 Ohm -->1.87934365859256 Kilohm (Check conversion here)

FINAL ANSWER

1.87934365859256 ≈ 1.879344 Kilohm <-- Load Resistance of Class B

(Calculation completed in 00.004 seconds)

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Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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< 6 Class B Output Stage Calculators

Load Resistance of Class B Stage

Go Load Resistance of Class B = (2*Peak Amplitude Voltage*Supply Voltage)/(pi*Supply Power)

Efficiency of Class B Output Stage

Go Efficiency of Class B = pi/4*(Peak Amplitude Voltage/Supply Voltage)

Negative Half of Maximum Power Dissipation in Class B Stage

Go Negative Maximum Power Dissipation = Supply Voltage^2/(pi^2*Load Resistance)

Maximum Power Dissipation in Class B Stage

Go Maximum Power Dissipation = (2*Supply Voltage^2)/(pi^2*Load Resistance)

Maximum Average Power from Class B Output Stage

Go Maximum Power in Class B = 1/2*(Supply Voltage^2/Load Resistance)

Efficiency of Class A

Go Efficiency of Class A = 1/2*(Output Voltage/Drain Voltage)

Load Resistance of Class B Stage Formula

Load Resistance of Class B = (2*Peak Amplitude Voltage*Supply Voltage)/(pi*Supply Power)
R_classB = (2*Vˆ_o*V_cc)/(pi*P_s)

What are the applications of Load Resistance of Class B Stage ?

The Load Resistance of a Class B Power Amplifier determines the current flowing through the output stage, which affects the distortion and efficiency of the amplifier. By adjusting the load resistance, the amplifier can be optimized for different loads, such as speakers or headphones, to achieve the best possible performance.

How to Calculate Load Resistance of Class B Stage?

Load Resistance of Class B Stage calculator uses Load Resistance of Class B = (2*Peak Amplitude Voltage*Supply Voltage)/(pi*Supply Power) to calculate the Load Resistance of Class B, The Load resistance of class B stage formula is defined as the cumulative resistance of a circuit, as seen by the voltage, current, or power source driving that circuit. This includes the resistance of the wires and the resistance of any devices connected to those wires. Load Resistance of Class B is denoted by R_classB symbol.

How to calculate Load Resistance of Class B Stage using this online calculator? To use this online calculator for Load Resistance of Class B Stage, enter Peak Amplitude Voltage (Vˆ_o), Supply Voltage (V_cc) & Supply Power (P_s) and hit the calculate button. Here is how the Load Resistance of Class B Stage calculation can be explained with given input values -> 0.001874 = (2*9.5*7.52)/(pi*0.0242).

FAQ

What is Load Resistance of Class B Stage?

The Load resistance of class B stage formula is defined as the cumulative resistance of a circuit, as seen by the voltage, current, or power source driving that circuit. This includes the resistance of the wires and the resistance of any devices connected to those wires and is represented as R_classB = (2*Vˆ_o*V_cc)/(pi*P_s) or Load Resistance of Class B = (2*Peak Amplitude Voltage*Supply Voltage)/(pi*Supply Power). Peak amplitude Voltage is the change between peak (highest amplitude value) and trough (lowest amplitude value, which can be negative) in an op amp, Supply Voltage is also defined defined as the bias voltage applied to the op amp for Q2(transistor 2) pin. It is also defined as as voltage at collector & Supply Power in an amplifier refers to the combined output power of all the channels or voices in the amplifier. It is calculated by multiplying the output power of each channel.

How to calculate Load Resistance of Class B Stage?

The Load resistance of class B stage formula is defined as the cumulative resistance of a circuit, as seen by the voltage, current, or power source driving that circuit. This includes the resistance of the wires and the resistance of any devices connected to those wires is calculated using Load Resistance of Class B = (2*Peak Amplitude Voltage*Supply Voltage)/(pi*Supply Power). To calculate Load Resistance of Class B Stage, you need Peak Amplitude Voltage (Vˆ_o), Supply Voltage (V_cc) & Supply Power (P_s). With our tool, you need to enter the respective value for Peak Amplitude Voltage, Supply Voltage & Supply 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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