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

STEP 0: Pre-Calculation Summary
Formula Used
overall_voltage_gain = -(Input resistance/(Input resistance+Signal Resistance))*Common-base current gain.*(Total resistance in collector/Total resistance in the emitter)
Gv = -(Ri/(Ri+Rs))*α*(R/R)
This formula uses 5 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
Common-base current gain.- Common-base current gain. α is related to β common-emitter current gain of a transistor and used for calculations.
Total resistance in collector - The total resistance in collector is the opposition offered to the current passing through the collector. (Measured in Ohm)
Total resistance in the emitter - The total resistance in the emitter is the total opposition caused in the flow of current in the emitter (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
Common-base current gain.: 0.7 --> No Conversion Required
Total resistance in collector: 20 Ohm --> 20 Ohm No Conversion Required
Total resistance in the emitter: 40 Ohm --> 40 Ohm No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Gv = -(Ri/(Ri+Rs))*α*(R/R) --> -(100000/(100000+1))*0.7*(20/40)
Evaluating ... ...
Gv = -0.349996500035
STEP 3: Convert Result to Output's Unit
-0.349996500035 --> No Conversion Required
FINAL ANSWER
-0.349996500035 <-- 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 common-emitter amplifier in terms of emitter resistance Formula

overall_voltage_gain = -(Input resistance/(Input resistance+Signal Resistance))*Common-base current gain.*(Total resistance in collector/Total resistance in the emitter)
Gv = -(Ri/(Ri+Rs))*α*(R/R)

## 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 common-emitter amplifier in terms of emitter resistance?

Overall voltage gain of common-emitter amplifier in terms of emitter resistance calculator uses overall_voltage_gain = -(Input resistance/(Input resistance+Signal Resistance))*Common-base current gain.*(Total resistance in collector/Total resistance in the emitter) to calculate the Overall voltage gain, The Overall voltage gain of common-emitter amplifier in terms of emitter resistance 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 common-emitter amplifier in terms of emitter resistance using this online calculator? To use this online calculator for Overall voltage gain of common-emitter amplifier in terms of emitter resistance, enter Input resistance (Ri), Signal Resistance (Rs), Common-base current gain. (α), Total resistance in collector (R) and Total resistance in the emitter (R) and hit the calculate button. Here is how the Overall voltage gain of common-emitter amplifier in terms of emitter resistance calculation can be explained with given input values -> -0.349997 = -(100000/(100000+1))*0.7*(20/40).

### FAQ

What is Overall voltage gain of common-emitter amplifier in terms of emitter resistance?
The Overall voltage gain of common-emitter amplifier in terms of emitter resistance 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))*α*(R/R) or overall_voltage_gain = -(Input resistance/(Input resistance+Signal Resistance))*Common-base current gain.*(Total resistance in collector/Total resistance in the emitter). 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, Common-base current gain. α is related to β common-emitter current gain of a transistor and used for calculations, The total resistance in collector is the opposition offered to the current passing through the collector and The total resistance in the emitter is the total opposition caused in the flow of current in the emitter.
How to calculate Overall voltage gain of common-emitter amplifier in terms of emitter resistance?
The Overall voltage gain of common-emitter amplifier in terms of emitter resistance 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))*Common-base current gain.*(Total resistance in collector/Total resistance in the emitter). To calculate Overall voltage gain of common-emitter amplifier in terms of emitter resistance, you need Input resistance (Ri), Signal Resistance (Rs), Common-base current gain. (α), Total resistance in collector (R) and Total resistance in the emitter (R). With our tool, you need to enter the respective value for Input resistance, Signal Resistance, Common-base current gain, Total resistance in collector and Total resistance in the emitter 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, Common-base current gain, Total resistance in collector and Total resistance in the emitter. 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 common-emitter amplifier in terms of emitter resistance calculator used?
Among many, Overall voltage gain of common-emitter amplifier in terms of emitter resistance calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
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