Voltage Gain of Common-Base Amplifier Calculator

✖Collector Voltage refers to the voltage applied to the collector of a bipolar junction transistor.ⓘ Collector Voltage [V_c]			+10% -10%
✖Emitter voltage refers to the voltage applied to the emitter of a bipolar junction transistor or a field-effect transistor to control the flow of current between the collector and emitter terminals.ⓘ Emitter Voltage [V_e]			+10% -10%

✖Voltage gain is defined as the ratio of the output voltage to the input voltage.ⓘ Voltage Gain of Common-Base Amplifier [A_v]

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Formula

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Voltage Gain of Common-Base Amplifier

Formula

`"A"_{"v"} = "V"_{"c"}/"V"_{"e"}`

Example

`"4.210912"="103.42V"/"24.56V"`

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Voltage Gain of Common-Base Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Voltage Gain = Collector Voltage/Emitter Voltage
A_v = V_c/V_e
This formula uses 3 Variables

Variables Used

Voltage Gain - Voltage gain is defined as the ratio of the output voltage to the input voltage.
Collector Voltage - (Measured in Volt) - Collector Voltage refers to the voltage applied to the collector of a bipolar junction transistor.
Emitter Voltage - (Measured in Volt) - Emitter voltage refers to the voltage applied to the emitter of a bipolar junction transistor or a field-effect transistor to control the flow of current between the collector and emitter terminals.

STEP 1: Convert Input(s) to Base Unit

Collector Voltage: 103.42 Volt --> 103.42 Volt No Conversion Required
Emitter Voltage: 24.56 Volt --> 24.56 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

A_v = V_c/V_e --> 103.42/24.56

Evaluating ... ...

A_v = 4.21091205211726

STEP 3: Convert Result to Output's Unit

4.21091205211726 --> No Conversion Required

FINAL ANSWER

4.21091205211726 ≈ 4.210912 <-- Voltage Gain

(Calculation completed in 00.004 seconds)

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Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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Vishwakarma Government Engineering College (VGEC), Ahmedabad

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< 8 Common-Base Amplifier Calculators

Input Resistance of Common-Base Circuit

Go Input Resistance = (Emitter Resistance*(Finite Output Resistance+Load Resistance))/(Finite Output Resistance+(Load Resistance/(Collector Base Current Gain+1)))

Total Current Gain with respect to Voltage Gain

Go Common Base Current Gain = Overall Voltage Gain/(Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance)))

Negative Voltage Gain from Base to Collector

Go Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance)

Common Base Current Gain

Go Common Base Current Gain = (Voltage Gain*Emitter Resistance/Collector Resistance)

Input Impedance of Common-Base Amplifier

Go Input Impedance = (1/Emitter Resistance+1/Small Signal Input Resistance)^(-1)

Resistance of Emitter in Common-Base Amplifier

Go Emitter Resistance = Input Voltage/Emitter Current

Emitter Current of Common-Base Amplifier

Go Emitter Current = Input Voltage/Emitter Resistance

Voltage Gain of Common-Base Amplifier

Go Voltage Gain = Collector Voltage/Emitter Voltage

< 13 Common Stage Amplifiers Gain Calculators

Overall Feedback Voltage Gain of Common-Collector Amplifier

Go Overall Voltage Gain = ((Collector Base Current Gain+1)*Load Resistance)/((Collector Base Current Gain+1)*Load Resistance+(Collector Base Current Gain+1)*Emitter Resistance+Signal Resistance)

Overall Voltage Gain of Common-Emitter Amplifier

Go Feedback Voltage Gain = -MOSFET Primary Transconductance*(Input Resistance/(Input Resistance+Signal Resistance))*(1/Collector Resistance+1/Load Resistance+1/Finite Output Resistance)^-1

Overall Feedback Voltage Gain of Common-Source Amplifier

Go Feedback Voltage Gain = -MOSFET Primary Transconductance*(Input Resistance/(Input Resistance+Signal Resistance))*(1/Drain Resistance+1/Load Resistance+1/Finite Output Resistance)^-1

Overall Feedback Voltage Gain of Common-Emitter Amplifier

Go Feedback Voltage Gain = -Common Base Current Gain*Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance))

Total Current Gain with respect to Voltage Gain

Go Common Base Current Gain = Overall Voltage Gain/(Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance)))

Open-Circuit Voltage Gain of CS Amplifier

Go Open Circuit Voltage Gain = Finite Output Resistance/(Finite Output Resistance+1/MOSFET Primary Transconductance)

Negative Voltage Gain from Base to Collector

Go Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance)

Overall Voltage Gain of Source Follower

Go Overall Voltage Gain = Load Resistance/(Load Resistance+1/MOSFET Primary Transconductance)

Common Base Current Gain

Go Common Base Current Gain = (Voltage Gain*Emitter Resistance/Collector Resistance)

Current Gain of Controlled Source Transistor

Go Current Gain = 1/(1+1/(MOSFET Primary Transconductance*Resistance between Drain and Ground))

Emitter Voltage with respect to Voltage Gain

Go Emitter Voltage = Collector Voltage/Voltage Gain

Voltage Gain of Common-Base Amplifier

Go Voltage Gain = Collector Voltage/Emitter Voltage

Total Voltage Gain of CS Amplifier

Go Voltage Gain = Load Voltage/Input Voltage

Voltage Gain of Common-Base Amplifier Formula

Voltage Gain = Collector Voltage/Emitter Voltage
A_v = V_c/V_e

What is the advantage of a common base amplifier?

The common base circuit works best as a current buffer. It can take an input current at a low input impedance, and deliver nearly that same current to a higher impedance output.

How to Calculate Voltage Gain of Common-Base Amplifier?

Voltage Gain of Common-Base Amplifier calculator uses Voltage Gain = Collector Voltage/Emitter Voltage to calculate the Voltage Gain, The Voltage Gain of Common-Base Amplifier is the ratio of the output voltage to the input voltage.The voltage gain can also be calculated using the load line equation or by using the small-signal model of the transistor. Voltage Gain is denoted by A_v symbol.

How to calculate Voltage Gain of Common-Base Amplifier using this online calculator? To use this online calculator for Voltage Gain of Common-Base Amplifier, enter Collector Voltage (V_c) & Emitter Voltage (V_e) and hit the calculate button. Here is how the Voltage Gain of Common-Base Amplifier calculation can be explained with given input values -> 4.209712 = 103.42/24.56.

FAQ

What is Voltage Gain of Common-Base Amplifier?

The Voltage Gain of Common-Base Amplifier is the ratio of the output voltage to the input voltage.The voltage gain can also be calculated using the load line equation or by using the small-signal model of the transistor and is represented as A_v = V_c/V_e or Voltage Gain = Collector Voltage/Emitter Voltage. Collector Voltage refers to the voltage applied to the collector of a bipolar junction transistor & Emitter voltage refers to the voltage applied to the emitter of a bipolar junction transistor or a field-effect transistor to control the flow of current between the collector and emitter terminals.

How to calculate Voltage Gain of Common-Base Amplifier?

The Voltage Gain of Common-Base Amplifier is the ratio of the output voltage to the input voltage.The voltage gain can also be calculated using the load line equation or by using the small-signal model of the transistor is calculated using Voltage Gain = Collector Voltage/Emitter Voltage. To calculate Voltage Gain of Common-Base Amplifier, you need Collector Voltage (V_c) & Emitter Voltage (V_e). With our tool, you need to enter the respective value for Collector Voltage & Emitter 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 Voltage Gain?

In this formula, Voltage Gain uses Collector Voltage & Emitter Voltage. We can use 1 other way(s) to calculate the same, which is/are as follows -

Voltage Gain = Load Voltage/Input Voltage

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