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## Credits

Birsa Institute of Technology (BIT), Sindri
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## Power conversion efficiency of class A output stage Solution

STEP 0: Pre-Calculation Summary
Formula Used
power_conversion_efficiency = 1/4*((Peak Voltage)^2/(Input Bias Current*Load resistance*Supply Voltage))
η = 1/4*((Vm)^2/(IB*Rl*VDD))
This formula uses 4 Variables
Variables Used
Peak Voltage - Peak Voltage is the peak or maximum voltage of a circuit/ rectifier. (Measured in Volt)
Input Bias Current - The Input Bias Current is the average of input current in the operational amplifier. It is denoted as IB (Measured in Microampere)
Load resistance - Load resistance is the resistance value of load given for the network (Measured in Kilohm)
Supply Voltage - The supply voltage condition, VCC or VDD, is defined as the bias voltage applied to the op amp power supply pin(s). (Measured in Volt)
STEP 1: Convert Input(s) to Base Unit
Peak Voltage: 10 Volt --> 10 Volt No Conversion Required
Input Bias Current: 10 Microampere --> 1E-05 Ampere (Check conversion here)
Load resistance: 1 Kilohm --> 1000 Ohm (Check conversion here)
Supply Voltage: 15 Volt --> 15 Volt No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
η = 1/4*((Vm)^2/(IB*Rl*VDD)) --> 1/4*((10)^2/(1E-05*1000*15))
Evaluating ... ...
η = 166.666666666667
STEP 3: Convert Result to Output's Unit
166.666666666667 --> No Conversion Required
166.666666666667 <-- Power-conversion efficiency
(Calculation completed in 00.016 seconds)

## < 10+ Class A Output Stage Calculators

Bias current of the emitter-follower
input_bias_current = modulus((-Supply Voltage)+Saturation collector to emitter voltage)/Load resistance Go
Transfer characteristics of emitter-follower
output_voltage = Voltage-Base-emitter signal Voltage Go
Instantaneous power dissipation of emitter-follower
power_dissipated = Collector to emitter voltage at saturation*Collector current Go
Maximum transfer characteristics of emitter-follower in positive limit
maximum_voltage = Supply Voltage-Saturation collector to emitter voltage Go
Maximum voltage of emitter-follower when the transistor saturates
maximum_voltage = Supply Voltage-Saturation collector to emitter voltage Go
Saturation voltage between collector-emitter at maximum voltage
saturation_collector_to_emitter_voltage = Supply Voltage-Maximum Voltage Go
Minimum voltage of emitter-follower when the transistor saturates
min_voltage = -(Supply Voltage+Saturation collector to emitter voltage) Go
Saturation voltage between collector-emitter at minimum voltage
saturation_collector_to_emitter_voltage = Min voltage+Supply Voltage Go
Bias current in minimum transfer characteristics of emitter-follower in negative limit
input_bias_current = -(Min voltage/Load Resistance) Go
Minimum transfer characteristics of emitter-follower in negative limit
min_voltage = -(Input Bias Current*Load Resistance) Go

### Power conversion efficiency of class A output stage Formula

power_conversion_efficiency = 1/4*((Peak Voltage)^2/(Input Bias Current*Load resistance*Supply Voltage))
η = 1/4*((Vm)^2/(IB*Rl*VDD))

## What is class A output stage? Where are class A amplifiers used?

A Class A amplifier stage passes the same load current even when no input signal is applied so large heatsinks are needed for the output transistors. These types of devices are basically two transistors within a single package, one small “pilot” transistor and another larger “switching” transistor. The Class A Amplifier more suitable for outdoor musical systems, since the transistor reproduces the entire audio waveform without ever cutting off. As a result, the sound is very clear and more linear, that is, it contains much lower levels of distortion.

## How to Calculate Power conversion efficiency of class A output stage?

Power conversion efficiency of class A output stage calculator uses power_conversion_efficiency = 1/4*((Peak Voltage)^2/(Input Bias Current*Load resistance*Supply Voltage)) to calculate the Power-conversion efficiency, 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 and is denoted by η 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 Voltage (Vm), Input Bias Current (IB), Load resistance (Rl) and Supply Voltage (VDD) 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 -> 166.6667 = 1/4*((10)^2/(1E-05*1000*15)).

### 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 = 1/4*((Vm)^2/(IB*Rl*VDD)) or power_conversion_efficiency = 1/4*((Peak Voltage)^2/(Input Bias Current*Load resistance*Supply Voltage)). Peak Voltage is the peak or maximum voltage of a circuit/ rectifier, The Input Bias Current is the average of input current in the operational amplifier. It is denoted as IB, Load resistance is the resistance value of load given for the network and The supply voltage condition, VCC or VDD, is defined as the bias voltage applied to the op amp power supply pin(s).
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 = 1/4*((Peak Voltage)^2/(Input Bias Current*Load resistance*Supply Voltage)). To calculate Power conversion efficiency of class A output stage, you need Peak Voltage (Vm), Input Bias Current (IB), Load resistance (Rl) and Supply Voltage (VDD). With our tool, you need to enter the respective value for Peak Voltage, Input Bias Current, Load resistance and Supply Voltage and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Power-conversion efficiency?
In this formula, Power-conversion efficiency uses Peak Voltage, Input Bias Current, Load resistance and Supply Voltage. We can use 10 other way(s) to calculate the same, which is/are as follows -
• output_voltage = Voltage-Base-emitter signal Voltage
• maximum_voltage = Supply Voltage-Saturation collector to emitter voltage
• saturation_collector_to_emitter_voltage = Supply Voltage-Maximum Voltage
• min_voltage = -(Input Bias Current*Load Resistance)
• input_bias_current = -(Min voltage/Load Resistance)
• min_voltage = -(Supply Voltage+Saturation collector to emitter voltage)
• maximum_voltage = Supply Voltage-Saturation collector to emitter voltage
• saturation_collector_to_emitter_voltage = Min voltage+Supply Voltage
• input_bias_current = modulus((-Supply Voltage)+Saturation collector to emitter voltage)/Load resistance
• power_dissipated = Collector to emitter voltage at saturation*Collector current
Where is the Power conversion efficiency of class A output stage calculator used?
Among many, Power conversion efficiency of class A output stage calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
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