Negative Voltage Gain from Base to Collector Calculator

✖Common Base Current Gain α is related to β common-emitter current gain of a transistor and used for calculations.ⓘ Common Base Current Gain [α]			+10% -10%
✖The Collector Resistancer is the opposition offered to the current passing through the collector.ⓘ Collector Resistance [R_c]			+10% -10%
✖Emitter Resistance is a dynamic resistance of the emitter-base junction diode of a transistor.ⓘ Emitter Resistance [R_e]			+10% -10%

✖Negative Voltage Gain refers to the situation where the output voltage of a circuit is lower than the input voltage.ⓘ Negative Voltage Gain from Base to Collector [A_vn]

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Formula

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Negative Voltage Gain from Base to Collector

Formula

`"A"_{"vn"} = -"α"*("R"_{"c"}/"R"_{"e"})`

Example

`"-4.070149"=-"0.27"*("1.01kΩ"/"0.067kΩ")`

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Negative Voltage Gain from Base to Collector Solution

STEP 0: Pre-Calculation Summary

Formula Used

Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance)
A_vn = -α*(R_c/R_e)
This formula uses 4 Variables

Variables Used

Negative Voltage Gain - Negative Voltage Gain refers to the situation where the output voltage of a circuit is lower than the input voltage.
Common Base Current Gain - Common Base Current Gain α is related to β common-emitter current gain of a transistor and used for calculations.
Collector Resistance - (Measured in Ohm) - The Collector Resistancer is the opposition offered to the current passing through the collector.
Emitter Resistance - (Measured in Ohm) - Emitter Resistance is a dynamic resistance of the emitter-base junction diode of a transistor.

STEP 1: Convert Input(s) to Base Unit

Common Base Current Gain: 0.27 --> No Conversion Required
Collector Resistance: 1.01 Kilohm --> 1010 Ohm (Check conversion here)
Emitter Resistance: 0.067 Kilohm --> 67 Ohm (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

A_vn = -α*(R_c/R_e) --> -0.27*(1010/67)

Evaluating ... ...

A_vn = -4.07014925373134

STEP 3: Convert Result to Output's Unit

-4.07014925373134 --> No Conversion Required

FINAL ANSWER

-4.07014925373134 ≈ -4.070149 <-- Negative 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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Verified by Urvi Rathod

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

Negative Voltage Gain from Base to Collector Formula

Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance)
A_vn = -α*(R_c/R_e)

What is voltage gain?

The difference between the output signal voltage level in decibels and the input signal voltage level in decibels; this value is equal to 20 times the common logarithm of the ratio of the output voltage to the input voltage.

How to Calculate Negative Voltage Gain from Base to Collector?

Negative Voltage Gain from Base to Collector calculator uses Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance) to calculate 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 calculate Negative Voltage Gain from Base to Collector using this online calculator? To use this online calculator 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. Here is how the Negative Voltage Gain from Base to Collector calculation can be explained with given input values -> -4.130448 = -0.27*(1010/67).

FAQ

What is Negative Voltage Gain from Base to Collector?

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 and is represented as A_vn = -α*(R_c/R_e) or Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance). Common Base Current Gain α is related to β common-emitter current gain of a transistor and used for calculations, The Collector Resistancer is the opposition offered to the current passing through the collector & Emitter Resistance is a dynamic resistance of the emitter-base junction diode of a transistor.

How to calculate Negative Voltage Gain from Base to Collector?

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 is calculated using Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance). To calculate Negative Voltage Gain from Base to Collector, you need Common Base Current Gain (α), Collector Resistance (R_c) & Emitter Resistance (R_e). With our tool, you need to enter the respective value for Common Base Current Gain, Collector Resistance & Emitter Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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