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## Credits

Birsa Institute of Technology (BIT), Sindri
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## Overall voltage gain of the common-emitter amplifier Solution

STEP 0: Pre-Calculation Summary
Formula Used
overall_voltage_gain = -(Input resistance/Input resistance+Signal Resistance)*MOSFET Transconductance*(1/Total resistance in collector+1/Load resistance+1/Output resistance)
Gv = -(Ri/Ri+Rs)*gm*(1/R+1/Rl+1/Ro)
This formula uses 6 Variables
Variables Used
Input resistance - Input resistance is the resistance value of the voltage amplifier (Measured in Ohm)
Signal Resistance- Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier
MOSFET Transconductance - MOSFET Transconductance is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage. (Measured in Microsiemens)
Total resistance in collector - The total resistance in collector is the opposition offered to the current passing through the collector. (Measured in Ohm)
Load resistance - Load resistance is the resistance value of load given for the network (Measured in Kilohm)
Output resistance - Output resistance is the value of resistance of the network (Measured in Ohm)
STEP 1: Convert Input(s) to Base Unit
Input resistance: 100000 Ohm --> 100000 Ohm No Conversion Required
Signal Resistance: 1 --> No Conversion Required
MOSFET Transconductance: 0.25 Microsiemens --> 2.5E-07 Siemens (Check conversion here)
Total resistance in collector: 20 Ohm --> 20 Ohm No Conversion Required
Load resistance: 1 Kilohm --> 1000 Ohm (Check conversion here)
Output resistance: 200 Ohm --> 200 Ohm No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Gv = -(Ri/Ri+Rs)*gm*(1/R+1/Rl+1/Ro) --> -(100000/100000+1)*2.5E-07*(1/20+1/1000+1/200)
Evaluating ... ...
Gv = -2.8E-08
STEP 3: Convert Result to Output's Unit
-2.8E-08 --> No Conversion Required
FINAL ANSWER
-2.8E-08 <-- Overall voltage gain
(Calculation completed in 00.016 seconds)

## < 6 Common-emitter amplifier Calculators

Overall voltage gain of the common-emitter amplifier
overall_voltage_gain = -(Input resistance/Input resistance+Signal Resistance)*MOSFET Transconductance*(1/Total resistance in collector+1/Load resistance+1/Output resistance) Go
Overall voltage gain of common-emitter amplifier in terms of emitter resistance
overall_voltage_gain = -(Input resistance/(Input resistance+Signal Resistance))*Common-base current gain.*(Total resistance in collector/Total resistance in the emitter) Go
Input resistance of common emitter amplifier in terms of small-signal input resistance
resistance_input = (1/Base resistance+1/Base resistance+1/(Small-signal input resistance b/w base-emitter+(Common emitter current gain+1)*Total resistance in the emitter)) Go
Input resistance of common-emitter amplifier in terms of emitter resistance
resistance_input = (1/Base resistance+1/Base resistance+1/((Total resistance in the emitter+Emitter Resistance)*(Common emitter current gain+1))) Go
Input resistance of the common emitter amplifier
resistance_input = (1/Base resistance+1/Base resistance+1/Small-signal input resistance b/w base-emitter) Go
Output resistance of the common-emitter amplifier
resistance_output = 1*Output resistance of transistor Go

### Overall voltage gain of the common-emitter amplifier Formula

overall_voltage_gain = -(Input resistance/Input resistance+Signal Resistance)*MOSFET Transconductance*(1/Total resistance in collector+1/Load resistance+1/Output resistance)
Gv = -(Ri/Ri+Rs)*gm*(1/R+1/Rl+1/Ro)

## 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 voltage gain of the common-emitter amplifier?

Overall voltage gain of the common-emitter amplifier calculator uses overall_voltage_gain = -(Input resistance/Input resistance+Signal Resistance)*MOSFET Transconductance*(1/Total resistance in collector+1/Load resistance+1/Output resistance) to calculate the Overall voltage gain, The overall voltage gain of the common-emitter amplifier formula is defined as the amount of voltage that an electronic device needs in order to power on and function. Overall voltage gain and is denoted by Gv symbol.

How to calculate Overall voltage gain of the common-emitter amplifier using this online calculator? To use this online calculator for Overall voltage gain of the common-emitter amplifier, enter Input resistance (Ri), Signal Resistance (Rs), MOSFET Transconductance (gm), Total resistance in collector (R), Load resistance (Rl) and Output resistance (Ro) and hit the calculate button. Here is how the Overall voltage gain of the common-emitter amplifier calculation can be explained with given input values -> -2.800E-8 = -(100000/100000+1)*2.5E-07*(1/20+1/1000+1/200).

### FAQ

What is Overall voltage gain of the common-emitter amplifier?
The overall voltage gain of the common-emitter amplifier formula is defined as the amount of voltage that an electronic device needs in order to power on and function and is represented as Gv = -(Ri/Ri+Rs)*gm*(1/R+1/Rl+1/Ro) or overall_voltage_gain = -(Input resistance/Input resistance+Signal Resistance)*MOSFET Transconductance*(1/Total resistance in collector+1/Load resistance+1/Output resistance). Input resistance is the resistance value of the voltage amplifier, Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier, MOSFET Transconductance is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage, The total resistance in collector is the opposition offered to the current passing through the collector, Load resistance is the resistance value of load given for the network and Output resistance is the value of resistance of the network.
How to calculate Overall voltage gain of the common-emitter amplifier?
The overall voltage gain of the common-emitter amplifier formula is defined as the amount of voltage that an electronic device needs in order to power on and function is calculated using overall_voltage_gain = -(Input resistance/Input resistance+Signal Resistance)*MOSFET Transconductance*(1/Total resistance in collector+1/Load resistance+1/Output resistance). To calculate Overall voltage gain of the common-emitter amplifier, you need Input resistance (Ri), Signal Resistance (Rs), MOSFET Transconductance (gm), Total resistance in collector (R), Load resistance (Rl) and Output resistance (Ro). With our tool, you need to enter the respective value for Input resistance, Signal Resistance, MOSFET Transconductance, Total resistance in collector, Load resistance and Output 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 Overall voltage gain?
In this formula, Overall voltage gain uses Input resistance, Signal Resistance, MOSFET Transconductance, Total resistance in collector, Load resistance and Output resistance. We can use 6 other way(s) to calculate the same, which is/are as follows -
• resistance_input = (1/Base resistance+1/Base resistance+1/Small-signal input resistance b/w base-emitter)
• overall_voltage_gain = -(Input resistance/Input resistance+Signal Resistance)*MOSFET Transconductance*(1/Total resistance in collector+1/Load resistance+1/Output resistance)
• resistance_input = (1/Base resistance+1/Base resistance+1/((Total resistance in the emitter+Emitter Resistance)*(Common emitter current gain+1)))
• resistance_input = (1/Base resistance+1/Base resistance+1/(Small-signal input resistance b/w base-emitter+(Common emitter current gain+1)*Total resistance in the emitter))
• overall_voltage_gain = -(Input resistance/(Input resistance+Signal Resistance))*Common-base current gain.*(Total resistance in collector/Total resistance in the emitter)
• resistance_output = 1*Output resistance of transistor
Where is the Overall voltage gain of the common-emitter amplifier calculator used?
Among many, Overall voltage gain of the common-emitter amplifier calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
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