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Power Conversion Efficiency of Class A Output Stage Formula

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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. Check FAQs

η pA = \frac{1}{4} \cdot (\frac{{Vˆ o}^{2}}{I b \cdot R L \cdot V cc})

η_pA - Power Conversion Efficiency of Class A?Vˆ_o - Peak Amplitude Voltage?I_b - Input Bias Current?R_L - Load Resistance?V_cc - Supply Voltage?

Power Conversion Efficiency of Class A Output Stage Example

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Here is how the Power Conversion Efficiency of Class A Output Stage equation looks like with Values.

Here is how the Power Conversion Efficiency of Class A Output Stage equation looks like with Units.

Here is how the Power Conversion Efficiency of Class A Output Stage equation looks like.

0.5455 = \frac{1}{4} \cdot (\frac{{9.5}^{2}}{2.2 \cdot 2.5 \cdot 7.52})

0.5455 = \frac{1}{4} \cdot (\frac{{9.5V}^{2}}{2.2mA \cdot 2.5kΩ \cdot 7.52V})

0.5455 = \frac{1}{4} \cdot (\frac{{9.5}^{2}}{2.2 \cdot 2.5 \cdot 7.52})

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Power Conversion Efficiency of Class A Output Stage Solution

Follow our step by step solution on how to calculate Power Conversion Efficiency of Class A Output Stage?

FIRST Step Consider the formula

η pA = \frac{1}{4} \cdot (\frac{{Vˆ o}^{2}}{I b \cdot R L \cdot V cc})

Next Step Substitute values of Variables

∴

η pA = \frac{1}{4} \cdot (\frac{{9.5V}^{2}}{2.2mA \cdot 2.5kΩ \cdot 7.52V})

Next Step Convert Units

∴

η pA = \frac{1}{4} \cdot (\frac{{9.5V}^{2}}{0.0022A \cdot 2500Ω \cdot 7.52V})

Next Step Prepare to Evaluate

∴

η pA = \frac{1}{4} \cdot (\frac{{9.5}^{2}}{0.0022 \cdot 2500 \cdot 7.52})

Next Step Evaluate

∴

η pA = 0.54551499032882

LAST Step Rounding Answer

∴

η pA = 0.5455

Power Conversion Efficiency of Class A Output Stage Formula Elements

Variables

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.

Symbol: η_pA

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Power Conversion Efficiency of Class A

Peak Amplitude 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.

Symbol: Vˆ_o

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Peak Amplitude Voltage

Input Bias Current

Input Bias Current is defined as the average of input current in the operational amplifier. It is denoted as I_B.

Symbol: I_b

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find Input Bias Current

Load Resistance

Load Resistance is defined as the cumulative resistance of a circuit as seen by the voltage, current or power source driving that circuit.

Symbol: R_L

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Load Resistance

Supply Voltage

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.

Symbol: V_cc

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Supply Voltage

Other formulas in Class A Output Stage category

Go Load Voltage

V L = V in - V be

Go Saturation Voltage between Collector-Emitter at Transistor 1

V CEsat1 = V cc - V max

Go Saturation Voltage between Collector-Emitter at Transistor 2

V CEsat2 = V min + V cc

Go Bias Current of Emitter Follower

I b = mod \underset{̲}{u} s \frac{(- V cc) + V CEsat2}{R L}

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

Power Conversion Efficiency of Class A Output Stage evaluator uses Power Conversion Efficiency of Class A = 1/4*(Peak Amplitude Voltage^2/(Input Bias Current*Load Resistance*Supply Voltage)) to evaluate 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 evaluate Power Conversion Efficiency of Class A Output Stage using this online evaluator? To use this online evaluator 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.

FAQs on Power Conversion Efficiency of Class A Output Stage

What is the formula to find Power Conversion Efficiency of Class A Output Stage?

The formula of Power Conversion Efficiency of Class A Output Stage is expressed as Power Conversion Efficiency of Class A = 1/4*(Peak Amplitude Voltage^2/(Input Bias Current*Load Resistance*Supply Voltage)). Here is an example- 0.54697 = 1/4*(9.5^2/(0.0022*2500*7.52)).

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

With Peak Amplitude Voltage (Vˆ_o), Input Bias Current (I_b), Load Resistance (R_L) & Supply Voltage (V_cc) we can find Power Conversion Efficiency of Class A Output Stage using the formula - Power Conversion Efficiency of Class A = 1/4*(Peak Amplitude Voltage^2/(Input Bias Current*Load Resistance*Supply Voltage)).

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Power Conversion Efficiency of Class A Output Stage Formula

Power Conversion Efficiency of Class A Output Stage Example

Power Conversion Efficiency of Class A Output Stage Solution

Power Conversion Efficiency of Class A Output Stage Formula Elements

Other formulas in Class A Output Stage category

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

FAQs on Power Conversion Efficiency of Class A Output Stage

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