Power Conversion Efficiency of Class A Output 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%
✖Input Bias Current is defined as the average of input current in the operational amplifier. It is denoted as I_B.ⓘ Input Bias Current [I_b]			+10% -10%
✖Load Resistance is defined as the cumulative resistance of a circuit as seen by the voltage, current or power source driving that circuit.ⓘ Load Resistance [R_L]			+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%

✖Power Conversion Efficiency of Class A is the ratio of the useful output power of a power conversion device to the input power of a class A output stage amplifier.ⓘ Power Conversion Efficiency of Class A Output Stage [η_pA]

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Power Conversion Efficiency of Class A Output Stage

Formula

`"η"_{"pA"} = 1/4*("Vˆ"_{"o"}^2/("I"_{"b"}*"R"_{"L"}*"V"_{"cc"}))`

Example

`"0.545515"=1/4*(("9.5V")^2/("2.2mA"*"2.5kΩ"*"7.52V"))`

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Power Conversion Efficiency of Class A Output Stage Solution

STEP 0: Pre-Calculation Summary

Formula Used

Power Conversion Efficiency of Class A = 1/4*(Peak Amplitude Voltage^2/(Input Bias Current*Load Resistance*Supply Voltage))
η_pA = 1/4*(Vˆ_o^2/(I_b*R_L*V_cc))
This formula uses 5 Variables

Variables Used

Power Conversion Efficiency of Class A - Power Conversion Efficiency of Class A is the ratio of the useful output power of a power conversion device to the input power of a class A output stage amplifier.
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.
Input Bias Current - (Measured in Ampere) - Input Bias Current is defined as the average of input current in the operational amplifier. It is denoted as I_B.
Load Resistance - (Measured in Ohm) - Load Resistance is defined as the cumulative resistance of a circuit as seen by the voltage, current or power source driving that circuit.
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.

STEP 1: Convert Input(s) to Base Unit

Peak Amplitude Voltage: 9.5 Volt --> 9.5 Volt No Conversion Required
Input Bias Current: 2.2 Milliampere --> 0.0022 Ampere (Check conversion here)
Load Resistance: 2.5 Kilohm --> 2500 Ohm (Check conversion here)
Supply Voltage: 7.52 Volt --> 7.52 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

η_pA = 1/4*(Vˆ_o^2/(I_b*R_L*V_cc)) --> 1/4*(9.5^2/(0.0022*2500*7.52))

Evaluating ... ...

η_pA = 0.54551499032882

STEP 3: Convert Result to Output's Unit

0.54551499032882 --> No Conversion Required

FINAL ANSWER

0.54551499032882 ≈ 0.545515 <-- Power Conversion Efficiency of Class A

(Calculation completed in 00.020 seconds)

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< 11 Class A Output Stage Calculators

Power Conversion Efficiency of Class A Output Stage

Go Power Conversion Efficiency of Class A = 1/4*(Peak Amplitude Voltage^2/(Input Bias Current*Load Resistance*Supply Voltage))

Bias Current of Emitter Follower

Go Input Bias Current = modulus((-Supply Voltage)+Saturation Voltage 2)/Load Resistance

Power Output Capability Factor

Go Power Output Capability Factor = (Maximum Output Power)/(Peak Drain Voltage*Peak Drain Current)

Peak Output Voltage Value at Average Load Power

Go Peak Amplitude Voltage = sqrt(2*Load Resistance*Average Load Power)

Instantaneous Power Dissipation of Emitter-Follower

Go Instantaneous Power Dissipation = Collector to Emitter Voltage*Collector Current

Load Power of Output Stage

Go Load Power of Output Stage = Supply Power*Power Conversion Efficiency

Supply Power of Output Stage

Go Supply Power of Output Stage = 2*Supply Voltage*Input Bias Current

Saturation Voltage between Collector-Emitter at Transistor 1

Go Saturation Voltage 1 = Supply Voltage-Maximum Voltage

Saturation Voltage between Collector-Emitter at Transistor 2

Go Saturation Voltage 2 = Minimum Voltage+Supply Voltage

Load Voltage

Go Load Voltage = Input Voltage-Base Emitter Voltage

Drain Current of Class B Amplifier

Go Drain Current = 2*(Output Current/pi)

Power Conversion Efficiency of Class A Output Stage Formula

Power Conversion Efficiency of Class A = 1/4*(Peak Amplitude Voltage^2/(Input Bias Current*Load Resistance*Supply Voltage))
η_pA = 1/4*(Vˆ_o^2/(I_b*R_L*V_cc))

What are the applications of Power Conversion Efficiency?

Applications of Power Conversion Efficiency include Increased power output,Better sound quality,Reduced noise and more Accurate signal output.

How to Calculate Power Conversion Efficiency of Class A Output Stage?

Power Conversion Efficiency of Class A Output Stage calculator uses Power Conversion Efficiency of Class A = 1/4*(Peak Amplitude Voltage^2/(Input Bias Current*Load Resistance*Supply Voltage)) to calculate the Power Conversion Efficiency of Class A, The Power conversion efficiency of class A output stage formula is defined as the proportion of the area under the I-V curve of a PV cell to the input illumination intensity. Power Conversion Efficiency of Class A is denoted by η_pA symbol.

How to calculate Power Conversion Efficiency of Class A Output Stage using this online calculator? To use this online calculator for Power Conversion Efficiency of Class A Output Stage, enter Peak Amplitude Voltage (Vˆ_o), Input Bias Current (I_b), Load Resistance (R_L) & Supply Voltage (V_cc) and hit the calculate button. Here is how the Power Conversion Efficiency of Class A Output Stage calculation can be explained with given input values -> 0.54697 = 1/4*(9.5^2/(0.0022*2500*7.52)).

FAQ

What is Power Conversion Efficiency of Class A Output Stage?

The Power conversion efficiency of class A output stage formula is defined as the proportion of the area under the I-V curve of a PV cell to the input illumination intensity and is represented as η_pA = 1/4*(Vˆ_o^2/(I_b*R_L*V_cc)) or Power Conversion Efficiency of Class A = 1/4*(Peak Amplitude Voltage^2/(Input Bias Current*Load Resistance*Supply Voltage)). Peak amplitude Voltage is the change between peak (highest amplitude value) and trough (lowest amplitude value, which can be negative) in an op amp, Input Bias Current is defined as the average of input current in the operational amplifier. It is denoted as I_B, Load Resistance is defined as the cumulative resistance of a circuit as seen by the voltage, current or power source driving that circuit & 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.

How to calculate Power Conversion Efficiency of Class A Output Stage?

The Power conversion efficiency of class A output stage formula is defined as the proportion of the area under the I-V curve of a PV cell to the input illumination intensity is calculated using Power Conversion Efficiency of Class A = 1/4*(Peak Amplitude Voltage^2/(Input Bias Current*Load Resistance*Supply Voltage)). To calculate Power Conversion Efficiency of Class A Output Stage, you need Peak Amplitude Voltage (Vˆ_o), Input Bias Current (I_b), Load Resistance (R_L) & Supply Voltage (V_cc). With our tool, you need to enter the respective value for Peak Amplitude Voltage, Input Bias Current, Load Resistance & Supply Voltage 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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