Overall Feedback Voltage Gain of Common-Emitter Amplifier 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%
✖Input resistance 2 is the opposition that an electrical component or circuit presents to the flow of electrical current when a voltage is applied to it.ⓘ Input Resistance [R_in]			+10% -10%
✖Signal resistance is the resistance which is fed with the signal voltage source of an Amplifier.ⓘ Signal Resistance [R_sig]			+10% -10%

✖Feedback Voltage Gain is a measure of the gain of an amplifier or electronic system that is derived from the input voltage and feedback from the output.ⓘ Overall Feedback Voltage Gain of Common-Emitter Amplifier [G_fv]

⎘ Copy

👎

Formula

✖

Overall Feedback Voltage Gain of Common-Emitter Amplifier

Formula

`"G"_{"fv"} = -"α"*"R"_{"c"}/"R"_{"e"}*("R"_{"in"}/("R"_{"in"}+"R"_{"sig"}))`

Example

`"-0.86215"=-"0.27"*"1.01kΩ"/"0.067kΩ"*("0.301kΩ"/("0.301kΩ"+"1.12kΩ"))`

Calculator

LaTeX

Reset

👍

Download Transistor Amplifiers Formula PDF

Overall Feedback Voltage Gain of Common-Emitter Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Feedback Voltage Gain = -Common Base Current Gain*Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance))
G_fv = -α*R_c/R_e*(R_in/(R_in+R_sig))
This formula uses 6 Variables

Variables Used

Feedback Voltage Gain - Feedback Voltage Gain is a measure of the gain of an amplifier or electronic system that is derived from the input voltage and feedback from the output.
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.
Input Resistance - (Measured in Ohm) - Input resistance 2 is the opposition that an electrical component or circuit presents to the flow of electrical current when a voltage is applied to it.
Signal Resistance - (Measured in Ohm) - Signal resistance is the resistance which is fed with the signal voltage source of an Amplifier.

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)
Input Resistance: 0.301 Kilohm --> 301 Ohm (Check conversion here)
Signal Resistance: 1.12 Kilohm --> 1120 Ohm (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

G_fv = -α*R_c/R_e*(R_in/(R_in+R_sig)) --> -0.27*1010/67*(301/(301+1120))

Evaluating ... ...

G_fv = -0.862149841923388

STEP 3: Convert Result to Output's Unit

-0.862149841923388 --> No Conversion Required

FINAL ANSWER

-0.862149841923388 ≈ -0.86215 <-- Feedback Voltage Gain

(Calculation completed in 00.021 seconds)

You are here -

Home » Engineering » Electronics » Amplifiers » Transistor Amplifiers » Common-Emitter Amplifier » Overall Feedback Voltage Gain of Common-Emitter Amplifier

Credits

Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

Payal Priya has created this Calculator and 600+ more calculators!

Verified by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

Urvi Rathod has verified this Calculator and 1900+ more calculators!

< 8 Common-Emitter Amplifier 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-Emitter Amplifier

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

Output Resistance of Emitter-Degenerated CE Amplifier

Go Drain Resistance = Finite Output Resistance+(MOSFET Primary Transconductance*Finite Output Resistance)*(1/Emitter Resistance+1/Small Signal Input Resistance)

Input Resistance of Common Emitter Amplifier given Small-Signal Input Resistance

Go Input Resistance = (1/Base Resistance+1/Base Resistance 2+1/(Small Signal Input Resistance+(Collector Base Current Gain+1)*Emitter Resistance))^-1

Input Resistance of Common-Emitter Amplifier given Emitter Resistance

Go Input Resistance = (1/Base Resistance+1/Base Resistance 2+1/((Total Resistance+Emitter Resistance)*(Collector Base Current Gain+1)))^-1

Input Resistance of Common Emitter Amplifier

Go Input Resistance = (1/Base Resistance+1/Base Resistance 2+1/Small Signal Input Resistance)^-1

Fundamental Voltage in Common-Emitter Amplifier

Go Fundamental Component Voltage = Input Resistance*Base Current

< 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

Overall Feedback Voltage Gain of Common-Emitter Amplifier Formula

Feedback Voltage Gain = -Common Base Current Gain*Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance))
G_fv = -α*R_c/R_e*(R_in/(R_in+R_sig))

What does a common emitter amplifier do?

The common emitter amplifier configuration provides voltage gain and is one of the most widely used transistor configurations for electronic circuit design. The common emitter transistor amplifier circuit is one of the mainstay circuits for use within electronic circuit design offers many advantages.

How to Calculate Overall Feedback Voltage Gain of Common-Emitter Amplifier?

Overall Feedback Voltage Gain of Common-Emitter Amplifier calculator uses Feedback Voltage Gain = -Common Base Current Gain*Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance)) to calculate the Feedback Voltage Gain, Overall Feedback Voltage Gain of Common-Emitter Amplifier represents the ratio of output voltage with feedback to the input voltage without feedback, indicating the amplification factor with feedback applied. Feedback Voltage Gain is denoted by G_fv symbol.

How to calculate Overall Feedback Voltage Gain of Common-Emitter Amplifier using this online calculator? To use this online calculator for Overall Feedback Voltage Gain of Common-Emitter Amplifier, enter Common Base Current Gain (α), Collector Resistance (R_c), Emitter Resistance (R_e), Input Resistance (R_in) & Signal Resistance (R_sig) and hit the calculate button. Here is how the Overall Feedback Voltage Gain of Common-Emitter Amplifier calculation can be explained with given input values -> -0.874922 = -0.27*1010/67*(301/(301+1120)).

FAQ

What is Overall Feedback Voltage Gain of Common-Emitter Amplifier?

Overall Feedback Voltage Gain of Common-Emitter Amplifier represents the ratio of output voltage with feedback to the input voltage without feedback, indicating the amplification factor with feedback applied and is represented as G_fv = -α*R_c/R_e*(R_in/(R_in+R_sig)) or Feedback Voltage Gain = -Common Base Current Gain*Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal 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, Input resistance 2 is the opposition that an electrical component or circuit presents to the flow of electrical current when a voltage is applied to it & Signal resistance is the resistance which is fed with the signal voltage source of an Amplifier.

How to calculate Overall Feedback Voltage Gain of Common-Emitter Amplifier?

Overall Feedback Voltage Gain of Common-Emitter Amplifier represents the ratio of output voltage with feedback to the input voltage without feedback, indicating the amplification factor with feedback applied is calculated using Feedback Voltage Gain = -Common Base Current Gain*Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance)). To calculate Overall Feedback Voltage Gain of Common-Emitter Amplifier, you need Common Base Current Gain (α), Collector Resistance (R_c), Emitter Resistance (R_e), Input Resistance (R_in) & Signal Resistance (R_sig). With our tool, you need to enter the respective value for Common Base Current Gain, Collector Resistance, Emitter Resistance, Input Resistance & Signal Resistance 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 Feedback Voltage Gain?

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

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

Home

FREE PDFs

🔍 Search