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Negative Voltage Gain from Base to Collector Formula

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Negative Voltage Gain refers to the situation where the output voltage of a circuit is lower than the input voltage. Check FAQs

A vn = - α \cdot (\frac{R c}{R e})

A_vn - Negative Voltage Gain?α - Common Base Current Gain?R_c - Collector Resistance?R_e - Emitter Resistance?

Negative Voltage Gain from Base to Collector Example

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Here is how the Negative Voltage Gain from Base to Collector equation looks like with Values.

Here is how the Negative Voltage Gain from Base to Collector equation looks like with Units.

Here is how the Negative Voltage Gain from Base to Collector equation looks like.

-4.0701 = - 0.27 \cdot (\frac{1.01}{0.067})

-4.0701 = - 0.27 \cdot (\frac{1.01kΩ}{0.067kΩ})

-4.0701 = - 0.27 \cdot (\frac{1.01}{0.067})

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Negative Voltage Gain from Base to Collector Solution

Follow our step by step solution on how to calculate Negative Voltage Gain from Base to Collector?

FIRST Step Consider the formula

A vn = - α \cdot (\frac{R c}{R e})

Next Step Substitute values of Variables

∴

A vn = - 0.27 \cdot (\frac{1.01kΩ}{0.067kΩ})

Next Step Convert Units

∴

A vn = - 0.27 \cdot (\frac{1010Ω}{67Ω})

Next Step Prepare to Evaluate

∴

A vn = - 0.27 \cdot (\frac{1010}{67})

Next Step Evaluate

∴

A vn = -4.07014925373134

LAST Step Rounding Answer

∴

A vn = -4.0701

Negative Voltage Gain from Base to Collector Formula Elements

Variables

Negative Voltage Gain

Negative Voltage Gain refers to the situation where the output voltage of a circuit is lower than the input voltage.

Symbol: A_vn

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Negative Voltage Gain

Common Base Current Gain

Common Base Current Gain α is related to β common-emitter current gain of a transistor and used for calculations.

Symbol: α

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Common Base Current Gain

Collector Resistance

The Collector Resistancer is the opposition offered to the current passing through the collector.

Symbol: R_c

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Collector Resistance

Emitter Resistance

Emitter Resistance is a dynamic resistance of the emitter-base junction diode of a transistor.

Symbol: R_e

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Emitter Resistance

Other formulas in Common Base Amplifier category

Go Common Base Current Gain

α = (A v \cdot \frac{R e}{R c})

Go Voltage Gain of Common-Base Amplifier

A v = \frac{V c}{V 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 Negative Voltage Gain from Base to Collector?

Negative Voltage Gain from Base to Collector evaluator uses Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance) to evaluate the Negative Voltage Gain, Negative Voltage Gain from Base to Collector formula is defined as the amount of voltage that an electronic device needs in order to power on and function. Negative Voltage Gain is denoted by A_vn symbol.

How to evaluate Negative Voltage Gain from Base to Collector using this online evaluator? To use this online evaluator for Negative Voltage Gain from Base to Collector, enter Common Base Current Gain (α), Collector Resistance (R_c) & Emitter Resistance (R_e) and hit the calculate button.

FAQs on Negative Voltage Gain from Base to Collector

What is the formula to find Negative Voltage Gain from Base to Collector?

The formula of Negative Voltage Gain from Base to Collector is expressed as Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance). Here is an example- -4.130448 = -0.27*(1010/67).

How to calculate Negative Voltage Gain from Base to Collector?

With Common Base Current Gain (α), Collector Resistance (R_c) & Emitter Resistance (R_e) we can find Negative Voltage Gain from Base to Collector using the formula - Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance).

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