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Voltage Gain of Common-Base Amplifier Formula

GoTotal Voltage Gain of CS Amplifier Formula

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Voltage gain is defined as the ratio of the output voltage to the input voltage. Check FAQs

A v = \frac{V c}{V e}

A_v - Voltage Gain?V_c - Collector Voltage?V_e - Emitter Voltage?

Voltage Gain of Common-Base Amplifier Example

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Here is how the Voltage Gain of Common-Base Amplifier equation looks like with Values.

Here is how the Voltage Gain of Common-Base Amplifier equation looks like with Units.

Here is how the Voltage Gain of Common-Base Amplifier equation looks like.

4.2109 = \frac{103.42}{24.56}

4.2109 = \frac{103.42V}{24.56V}

4.2109 = \frac{103.42}{24.56}

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Voltage Gain of Common-Base Amplifier Solution

Follow our step by step solution on how to calculate Voltage Gain of Common-Base Amplifier?

FIRST Step Consider the formula

A v = \frac{V c}{V e}

Next Step Substitute values of Variables

∴

A v = \frac{103.42V}{24.56V}

Next Step Prepare to Evaluate

∴

A v = \frac{103.42}{24.56}

Next Step Evaluate

∴

A v = 4.21091205211726

LAST Step Rounding Answer

∴

A v = 4.2109

Voltage Gain of Common-Base Amplifier Formula Elements

Variables

Voltage Gain

Voltage gain is defined as the ratio of the output voltage to the input voltage.

Symbol: A_v

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Voltage Gain

Collector Voltage

Collector Voltage refers to the voltage applied to the collector of a bipolar junction transistor.

Symbol: V_c

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Collector Voltage

Emitter Voltage

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.

Symbol: V_e

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Emitter Voltage

Other Formulas to find Voltage Gain

Go Total Voltage Gain of CS Amplifier

A v = \frac{V L}{V in}

Other formulas in Common Base Amplifier category

Go Common Base Current Gain

α = (A v \cdot \frac{R e}{R c})

Go Negative Voltage Gain from Base to Collector

A vn = - α \cdot (\frac{R c}{R e})

Go Overall Feedback Voltage Gain of Common-Collector Amplifier

G v = \frac{(β + 1) \cdot R L}{(β + 1) \cdot R L + (β + 1) \cdot R e + R sig}

Go Overall Voltage Gain of Common-Emitter Amplifier

G fv = - g mp \cdot (\frac{R in}{R in + R sig}) \cdot {(\frac{1}{R c} + \frac{1}{R L} + \frac{1}{R out})}^{- 1}

How to Evaluate Voltage Gain of Common-Base Amplifier?

Voltage Gain of Common-Base Amplifier evaluator uses Voltage Gain = Collector Voltage/Emitter Voltage to evaluate 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 evaluate Voltage Gain of Common-Base Amplifier using this online evaluator? To use this online evaluator for Voltage Gain of Common-Base Amplifier, enter Collector Voltage (V_c) & Emitter Voltage (V_e) and hit the calculate button.

FAQs on Voltage Gain of Common-Base Amplifier

What is the formula to find Voltage Gain of Common-Base Amplifier?

The formula of Voltage Gain of Common-Base Amplifier is expressed as Voltage Gain = Collector Voltage/Emitter Voltage. Here is an example- 4.209712 = 103.42/24.56.

How to calculate Voltage Gain of Common-Base Amplifier?

With Collector Voltage (V_c) & Emitter Voltage (V_e) we can find Voltage Gain of Common-Base Amplifier using the formula - Voltage Gain = Collector Voltage/Emitter Voltage.

What are the other ways to Calculate Voltage Gain?

Here are the different ways to Calculate Voltage Gain-

Voltage Gain=Load Voltage/Input Voltage

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