Overall Voltage Gain of Buffer Amplifier given Load Resistance Calculator

✖Load Resistance is the external resistance or impedance that is connected to the output of a circuit or device, and it is used to extract power or signal from the circuit.ⓘ Load Resistance [R_L]			+10% -10%
✖Emitter Resistance is a dynamic resistance of the emitter-base junction diode of a transistor.ⓘ Emitter Resistance [R_e]			+10% -10%
✖Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier.ⓘ Signal Resistance [R_s]			+10% -10%
✖Common emitter current gain is influenced by 2 factors: width of base region W, and relative dopings of base region and emitter region. Its range varies from 50-200.ⓘ Common Emitter Current Gain [β]			+10% -10%

✖Voltage gain is defined as the ratio of the output voltage to the input voltage.ⓘ Overall Voltage Gain of Buffer Amplifier given Load Resistance [A_v]

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Overall Voltage Gain of Buffer Amplifier given Load Resistance Solution

STEP 0: Pre-Calculation Summary

Formula Used

Voltage Gain = Load Resistance/(Load Resistance+Emitter Resistance+Signal Resistance/(Common Emitter Current Gain+1))
A_v = R_L/(R_L+R_e+R_s/(β+1))
This formula uses 5 Variables

Variables Used

Voltage Gain - (Measured in Decibel) - Voltage gain is defined as the ratio of the output voltage to the input voltage.
Load Resistance - (Measured in Ohm) - Load Resistance is the external resistance or impedance that is connected to the output of a circuit or device, and it is used to extract power or signal from the circuit.
Emitter Resistance - (Measured in Ohm) - Emitter Resistance is a dynamic resistance of the emitter-base junction diode of a transistor.
Signal Resistance - (Measured in Ohm) - Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier.
Common Emitter Current Gain - Common emitter current gain is influenced by 2 factors: width of base region W, and relative dopings of base region and emitter region. Its range varies from 50-200.

STEP 1: Convert Input(s) to Base Unit

Load Resistance: 4 Kilohm --> 4000 Ohm (Check conversion here)
Emitter Resistance: 0.35 Kilohm --> 350 Ohm (Check conversion here)
Signal Resistance: 0.24 Kilohm --> 240 Ohm (Check conversion here)
Common Emitter Current Gain: 65 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

A_v = R_L/(R_L+R_e+R_s/(β+1)) --> 4000/(4000+350+240/(65+1))

Evaluating ... ...

A_v = 0.91877218626018

STEP 3: Convert Result to Output's Unit

0.91877218626018 Decibel --> No Conversion Required

FINAL ANSWER

0.91877218626018 ≈ 0.918772 Decibel <-- Voltage Gain

(Calculation completed in 00.020 seconds)

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Birsa Institute of Technology (BIT), Sindri

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< Amplification Factor or Gain Calculators

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LaTeX Go Voltage Gain = -(Supply Voltage-Collector-Emitter Voltage)/Thermal Voltage

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LaTeX Go Voltage Gain = -(Collector Current/Thermal Voltage)*Collector Resistance

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LaTeX Go Open Circuit Voltage Gain = Open Circuit Transresistance/Input Resistance

Short-Circuit Current Gain

LaTeX Go Current Gain = Output Current/Input Current

Overall Voltage Gain of Buffer Amplifier given Load Resistance Formula

LaTeX Go

Voltage Gain = Load Resistance/(Load Resistance+Emitter Resistance+Signal Resistance/(Common Emitter Current Gain+1))
A_v = R_L/(R_L+R_e+R_s/(β+1))

What is the main function of a common collector amplifier or buffer amplifier?

The common collector or grounded collector configuration is generally used where a high impedance input source needs to be connected to a low impedance output load requiring a high current gain.

How to Calculate Overall Voltage Gain of Buffer Amplifier given Load Resistance?

Overall Voltage Gain of Buffer Amplifier given Load Resistance calculator uses Voltage Gain = Load Resistance/(Load Resistance+Emitter Resistance+Signal Resistance/(Common Emitter Current Gain+1)) to calculate the Voltage Gain, Overall Voltage Gain of Buffer Amplifier given Load Resistance is the ratio of the output voltage to the input voltage. It is designed to provide a high input impedance and a low output impedance, which helps to prevent loading of the input signal source and to provide a low-impedance output that can drive other circuits. Voltage Gain is denoted by A_v symbol.

How to calculate Overall Voltage Gain of Buffer Amplifier given Load Resistance using this online calculator? To use this online calculator for Overall Voltage Gain of Buffer Amplifier given Load Resistance, enter Load Resistance (R_L), Emitter Resistance (R_e), Signal Resistance (R_s) & Common Emitter Current Gain (β) and hit the calculate button. Here is how the Overall Voltage Gain of Buffer Amplifier given Load Resistance calculation can be explained with given input values -> 0.918772 = 4000/(4000+350+240/(65+1)).

FAQ

What is Overall Voltage Gain of Buffer Amplifier given Load Resistance?

Overall Voltage Gain of Buffer Amplifier given Load Resistance is the ratio of the output voltage to the input voltage. It is designed to provide a high input impedance and a low output impedance, which helps to prevent loading of the input signal source and to provide a low-impedance output that can drive other circuits and is represented as A_v = R_L/(R_L+R_e+R_s/(β+1)) or Voltage Gain = Load Resistance/(Load Resistance+Emitter Resistance+Signal Resistance/(Common Emitter Current Gain+1)). Load Resistance is the external resistance or impedance that is connected to the output of a circuit or device, and it is used to extract power or signal from the circuit, Emitter Resistance is a dynamic resistance of the emitter-base junction diode of a transistor, Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier & Common emitter current gain is influenced by 2 factors: width of base region W, and relative dopings of base region and emitter region. Its range varies from 50-200.

How to calculate Overall Voltage Gain of Buffer Amplifier given Load Resistance?

Overall Voltage Gain of Buffer Amplifier given Load Resistance is the ratio of the output voltage to the input voltage. It is designed to provide a high input impedance and a low output impedance, which helps to prevent loading of the input signal source and to provide a low-impedance output that can drive other circuits is calculated using Voltage Gain = Load Resistance/(Load Resistance+Emitter Resistance+Signal Resistance/(Common Emitter Current Gain+1)). To calculate Overall Voltage Gain of Buffer Amplifier given Load Resistance, you need Load Resistance (R_L), Emitter Resistance (R_e), Signal Resistance (R_s) & Common Emitter Current Gain (β). With our tool, you need to enter the respective value for Load Resistance, Emitter Resistance, Signal Resistance & Common Emitter Current Gain 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 Voltage Gain?

In this formula, Voltage Gain uses Load Resistance, Emitter Resistance, Signal Resistance & Common Emitter Current Gain. We can use 3 other way(s) to calculate the same, which is/are as follows -

Voltage Gain = -(Collector Current/Thermal Voltage)*Collector Resistance
Voltage Gain = -(Supply Voltage-Collector-Emitter Voltage)/Thermal Voltage
Voltage Gain = -Transconductance*Collector Resistance

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