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))
Gfv = -α*Rc/Re*(Rin/(Rin+Rsig))
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
Gfv = -α*Rc/Re*(Rin/(Rin+Rsig)) --> -0.27*1010/67*(301/(301+1120))
Evaluating ... ...
Gfv = -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 00.020 seconds)

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Birsa Institute of Technology (BIT), Sindri
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Common Emitter Amplifier Calculators

Overall Feedback Voltage Gain of Common-Collector Amplifier
​ LaTeX ​ 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
​ LaTeX ​ 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
​ LaTeX ​ Go Feedback Voltage Gain = -Common Base Current Gain*Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance))
Fundamental Voltage in Common-Emitter Amplifier
​ LaTeX ​ Go Fundamental Component Voltage = Input Resistance*Base Current

Common Stage Amplifiers Gain Calculators

Overall Feedback Voltage Gain of Common-Collector Amplifier
​ LaTeX ​ 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)
Negative Voltage Gain from Base to Collector
​ LaTeX ​ Go Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance)
Common Base Current Gain
​ LaTeX ​ Go Common Base Current Gain = (Voltage Gain*Emitter Resistance/Collector Resistance)
Voltage Gain of Common-Base Amplifier
​ LaTeX ​ Go Voltage Gain = Collector Voltage/Emitter Voltage

Overall Feedback Voltage Gain of Common-Emitter Amplifier Formula

​LaTeX ​Go
Feedback Voltage Gain = -Common Base Current Gain*Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance))
Gfv = -α*Rc/Re*(Rin/(Rin+Rsig))

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 Gfv 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 (Rc), Emitter Resistance (Re), Input Resistance (Rin) & Signal Resistance (Rsig) 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 Gfv = -α*Rc/Re*(Rin/(Rin+Rsig)) 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 (Rc), Emitter Resistance (Re), Input Resistance (Rin) & Signal Resistance (Rsig). 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
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